diff --git a/performance-timeline/resources/include-frames-subframe.html b/performance-timeline/resources/include-frames-subframe.html
index b74b1175f8c94a..73df04b046e16e 100644
--- a/performance-timeline/resources/include-frames-subframe.html
+++ b/performance-timeline/resources/include-frames-subframe.html
@@ -29,7 +29,7 @@
         const childFrame = document.createElement('iframe');
 
         childFrame.addEventListener('load', async () => {
-          const entries = performance.getEntries(true);
+          const entries = performance.getEntries({ includeChildFrames: true });
 
           // Report number of performance entries to the parent.
           window.parent.postMessage(entries.length, "*");
diff --git a/performance-timeline/tentative/detached-frame.html b/performance-timeline/tentative/detached-frame.html
index d5753dbcd7bac9..70019223a648d9 100644
--- a/performance-timeline/tentative/detached-frame.html
+++ b/performance-timeline/tentative/detached-frame.html
@@ -21,8 +21,7 @@
   // Detach the child frame
   document.body.removeChild(childFrame);
 
-  const entries = childWindow.performance.getEntries(true);
-  const parent_entries = performance.getEntries(true);
+  const entries = childWindow.performance.getEntries({ includeChildFrames: true });
+  const parent_entries = performance.getEntries({ includeChildFrames: true });
 }, "GetEntries of a detached parent frame does not crash");
 </script>
-
diff --git a/performance-timeline/tentative/include-frames-originA-A-A.html b/performance-timeline/tentative/include-frames-originA-A-A.html
index 0cdcd58115f65e..58480c7af1e649 100644
--- a/performance-timeline/tentative/include-frames-originA-A-A.html
+++ b/performance-timeline/tentative/include-frames-originA-A-A.html
@@ -32,12 +32,12 @@
       // Verify the number of performance entries in the child frame.
       assert_equals(childFrameEntrySize, 6, 'Child Frame should have 6 entries.');
 
-      const entries = performance.getEntries(true);
+      const entries = performance.getEntries({ includeChildFrames: true });
 
-      const navigationEntries = performance.getEntriesByType('navigation', true);
-
-      const markedEntries = performance.getEntriesByName('entry-name', undefined, true);
+      const navigationEntries = performance.getEntries({ entryType: "navigation", includeChildFrames: true });
 
+      const markedEntries = performance.getEntries(
+        { name: 'entry-name', includeChildFrames: true });
 
       // 3 entries for parent, 4 for child, 2 for grandchild.
       assert_equals(entries.length, 9, 'Total entries should be 9.');
@@ -48,6 +48,31 @@
       // 1 entry for child, 1 for grandchild.
       assert_equals(markedEntries.length, 2, 'Mark entries should be 2.');
 
+      // Test cases where includeChildFrames is false.
+      const entriesWithNoFitlerOptions = performance.getEntries();
+
+      const entriesWithoutIncludingChildFrames = performance.getEntries({ includeChildFrames: false });
+
+      const navigationEntriesWithoutIncludingChildFrames = performance.getEntries({ entryType: "navigation", includeChildFrames: false });
+
+      const markedEntriesWithoutIncludingChildFrames = performance.getEntries(
+        { name: 'entry-name', includeChildFrames: false });
+
+      // 3 entries for parent.
+      assert_equals(entriesWithNoFitlerOptions.length, 3,
+        'Total entries without filter options should be 3 without filter options.');
+
+      assert_equals(entriesWithoutIncludingChildFrames.length, 3,
+        'Total entries with includeChildFrame being false should be 3.');
+
+      // 1 entry for parent.
+      assert_equals(navigationEntriesWithoutIncludingChildFrames.length, 1,
+        'Navigation entries with includeChildFrame being false should be 1.');
+
+      // 0 entry for child.
+      assert_equals(markedEntriesWithoutIncludingChildFrames.length, 0,
+        'Mark entries with includeChildFrame being false should be 0.');
+
     }, 'GetEntries of a document of origin A, its child frame of origin B and \
     its grandchild frame of origin A.');
   </script>
diff --git a/performance-timeline/tentative/include-frames-originA-A.html b/performance-timeline/tentative/include-frames-originA-A.html
index bb4ee9e63abcee..277a2376aefbcf 100644
--- a/performance-timeline/tentative/include-frames-originA-A.html
+++ b/performance-timeline/tentative/include-frames-originA-A.html
@@ -28,11 +28,12 @@
     // Load a child frame.
     await loadSameOriginChildFrame();
 
-    const entries = performance.getEntries(true);
+    const entries = performance.getEntries({ includeChildFrames: true });
 
-    const navigationEntries = performance.getEntriesByType('navigation', true);
+    const navigationEntries = performance.getEntries({ entryType: "navigation", includeChildFrames: true });
 
-    const markedEntries = performance.getEntriesByName('entry-name', undefined, true);
+    const markedEntries = performance.getEntries(
+      { name: 'entry-name', includeChildFrames: true });
 
     // 3 entries for parent, 2 for child.
     assert_equals(entries.length, 5, 'Total entries should be 5.');
@@ -42,6 +43,32 @@
 
     // 1 entry for child.
     assert_equals(markedEntries.length, 1, 'Mark entries should be 1.');
+
+    // Test cases where includeChildFrames is false.
+    const entriesWithNoFitlerOptions = performance.getEntries();
+
+    const entriesWithoutIncludingChildFrames = performance.getEntries({ includeChildFrames: false });
+
+    const navigationEntriesWithoutIncludingChildFrames = performance.getEntries({ entryType: "navigation", includeChildFrames: false });
+
+    const markedEntriesWithoutIncludingChildFrames = performance.getEntries(
+      { name: 'entry-name', includeChildFrames: false });
+
+    // 3 entries for parent.
+    assert_equals(entriesWithNoFitlerOptions.length, 3,
+      'Total entries without filter options should be 3 without filter options.');
+
+    assert_equals(entriesWithoutIncludingChildFrames.length, 3,
+      'Total entries with includeChildFrame being false should be 3.');
+
+    // 1 entry for parent.
+    assert_equals(navigationEntriesWithoutIncludingChildFrames.length, 1,
+      'Navigation entries with includeChildFrame being false should be 1.');
+
+    // 0 entry for child.
+    assert_equals(markedEntriesWithoutIncludingChildFrames.length, 0,
+      'Mark entries with includeChildFrame being false should be 0.');
+
   }, 'GetEntries of a document of origin A and its child frame of origin A.');
 </script>
 </body>
diff --git a/performance-timeline/tentative/include-frames-originA-AA.html b/performance-timeline/tentative/include-frames-originA-AA.html
index e4c742a08a2845..485e1d2a115c2d 100644
--- a/performance-timeline/tentative/include-frames-originA-AA.html
+++ b/performance-timeline/tentative/include-frames-originA-AA.html
@@ -9,11 +9,12 @@
 <body>
 <script>
   const verifyPerformanceEntries = () => {
-    const entries = performance.getEntries(true);
+    const entries = performance.getEntries({ includeChildFrames: true });
 
-    const navigationEntries = performance.getEntriesByType( 'navigation', true);
+    const navigationEntries = performance.getEntries({ entryType: "navigation", includeChildFrames: true });
 
-    const markedEntries = performance.getEntriesByName('entry-name',  undefined, true );
+    const markedEntries = performance.getEntries(
+      { name: 'entry-name', includeChildFrames: true });
 
     // 4 entries for parent, 2 for each child
     assert_equals(entries.length, 8,'Total entries should be 8.');
diff --git a/performance-timeline/tentative/include-frames-originA-AB.html b/performance-timeline/tentative/include-frames-originA-AB.html
index cbd27a0380ca34..7650a61e499d05 100644
--- a/performance-timeline/tentative/include-frames-originA-AB.html
+++ b/performance-timeline/tentative/include-frames-originA-AB.html
@@ -23,11 +23,12 @@
     }
 
     const verifyPerformanceEntries = () => {
-      const entries = performance.getEntries(true);
+      const entries = performance.getEntries({ includeChildFrames: true });
 
-      const navigationEntries = performance.getEntriesByType('navigation', true);
+      const navigationEntries = performance.getEntries({ entryType: "navigation", includeChildFrames: true });
 
-      const markedEntries = performance.getEntriesByName('entry-name', undefined, true);
+      const markedEntries = performance.getEntries(
+        { name: 'entry-name', includeChildFrames: true });
 
       // 4 entries for parent, 2 for local child, 0 for remote child.
       assert_equals(entries.length, 6, 'Total entries should 6.');
diff --git a/performance-timeline/tentative/include-frames-originA-B-A.html b/performance-timeline/tentative/include-frames-originA-B-A.html
index 5e46bc21624acc..9b873bdde6e186 100644
--- a/performance-timeline/tentative/include-frames-originA-B-A.html
+++ b/performance-timeline/tentative/include-frames-originA-B-A.html
@@ -36,12 +36,12 @@
       // Verify the number of performance entries in the child frame.
       assert_equals(childFrameEntrySize, 4, 'Child frame entries should be 4.');
 
-      const entries = performance.getEntries(true);
+      const entries = performance.getEntries({ includeChildFrames: true });
 
-      const navigationEntries = performance.getEntriesByType(
-        'navigation', true);
+      const navigationEntries = performance.getEntries({ entryType: "navigation", includeChildFrames: true });
 
-      const markedEntries = performance.getEntriesByName('entry-name', undefined, true);
+      const markedEntries = performance.getEntries(
+        { name: 'entry-name', includeChildFrames: true });
 
       // 3 entries for parent, 0 for child, 2 for grandchild.
       assert_equals(entries.length, 5, 'Total entries should be 5.');
@@ -51,6 +51,32 @@
 
       // 1 entry for grandchild.
       assert_equals(markedEntries.length, 1, 'Mark entries should be 1.');
+
+      // Test cases where includeChildFrames is false.
+      const entriesWithNoFitlerOptions = performance.getEntries();
+
+      const entriesWithoutIncludingChildFrames = performance.getEntries({ includeChildFrames: false });
+
+      const navigationEntriesWithoutIncludingChildFrames = performance.getEntries({ entryType: "navigation", includeChildFrames: false });
+
+      const markedEntriesWithoutIncludingChildFrames = performance.getEntries(
+        { name: 'entry-name', includeChildFrames: false });
+
+      // 3 entries for parent.
+      assert_equals(entriesWithNoFitlerOptions.length, 3,
+        'Total entries without filter options should be 3 without filter options.');
+
+      assert_equals(entriesWithoutIncludingChildFrames.length, 3,
+        'Total entries with includeChildFrame being false should be 3.');
+
+      // 1 entry for parent.
+      assert_equals(navigationEntriesWithoutIncludingChildFrames.length, 1,
+        'Navigation entries with includeChildFrame being false should be 1.');
+
+      // 1 entry for child.
+      assert_equals(markedEntriesWithoutIncludingChildFrames.length, 0,
+        'Mark entries with includeChildFrame being false should be 0.');
+
     }, 'GetEntries of a document of origin A, its child frame of origin B and \
     its grandchild frame of origin A.');
   </script>
diff --git a/performance-timeline/tentative/include-frames-originA-B-B.html b/performance-timeline/tentative/include-frames-originA-B-B.html
index a1c85150e691ea..b182931e5dceee 100644
--- a/performance-timeline/tentative/include-frames-originA-B-B.html
+++ b/performance-timeline/tentative/include-frames-originA-B-B.html
@@ -35,7 +35,7 @@
       // 4 for child, 2 for grandchild.
       assert_equals(childFrameEntrySize, 6, 'Child frame entries should be 6.');
 
-      const entries = performance.getEntries(true);
+      const entries = performance.getEntries({ includeChildFrames: true });
 
       // 3 entries for parent, 0 for child, 0 for grandchild.
       assert_equals(entries.length, 3, 'Total entries should be 3.');
diff --git a/performance-timeline/tentative/include-frames-originA-B.html b/performance-timeline/tentative/include-frames-originA-B.html
index 0373c824d908ab..0686c9b1e5876c 100644
--- a/performance-timeline/tentative/include-frames-originA-B.html
+++ b/performance-timeline/tentative/include-frames-originA-B.html
@@ -28,11 +28,12 @@
 
       await loadCrossOriginChildFrame();
 
-      const entries = performance.getEntries(true);
+      const entries = performance.getEntries({ includeChildFrames: true });
 
-      const navigationEntries = performance.getEntriesByType("navigation", true);
+      const navigationEntries = performance.getEntries({ entryType: "navigation", includeChildFrames: true });
 
-      const markedEntries = performance.getEntriesByName('entry-name', undefined, true);
+      const markedEntries = performance.getEntries(
+        { name: 'entry-name', includeChildFrames: true });
 
       // 3 entries for parent, 0 for child.
       assert_equals(entries.length, 3, 'Total entries should be 3.');
diff --git a/performance-timeline/tentative/performance-entry-source.html b/performance-timeline/tentative/performance-entry-source.html
index 5e51ddbbe4493d..471a52ab285882 100644
--- a/performance-timeline/tentative/performance-entry-source.html
+++ b/performance-timeline/tentative/performance-entry-source.html
@@ -8,7 +8,7 @@
 <script>
 promise_test(() => {
     return new Promise(resolve => {
-        const navigationEntries = performance.getEntriesByType("navigation")
+      const navigationEntries = performance.getEntries({ type: 'navigation' })
         const parentEntry = navigationEntries[0]
 
         // Parent NavigationTiming source is current window.
@@ -20,7 +20,9 @@
         document.body.appendChild(childFrame)
 
         childFrame.addEventListener('load', () => {
-            const markedEntries = performance.getEntriesByName("entry-name", undefined, true)
+          const markedEntries = performance.getEntries(
+            { name: 'entry-name', includeChildFrames: true });
+
             const childEntry = markedEntries[0]
 
             // Child PerformanceMark source is the child's Window.
@@ -30,4 +32,4 @@
         })
     })
 }, "PerformanceEntry source is equal to its respective Window")
-</script>
\ No newline at end of file
+</script>