add-flag-for-tab-hover-cards.patch

--- a/chrome/browser/ui/views/tabs/tab.cc
+++ b/chrome/browser/ui/views/tabs/tab.cc
@@ -16,6 +16,7 @@
 #include <memory>
 #include <utility>
 
+#include "base/command_line.h"
 #include "base/debug/alias.h"
 #include "base/functional/bind.h"
 #include "base/i18n/rtl.h"
@@ -703,6 +704,8 @@ void Tab::OnGestureEvent(ui::GestureEven
 }
 
 std::u16string Tab::GetTooltipText(const gfx::Point& p) const {
+  if (base::CommandLine::ForCurrentProcess()->GetSwitchValueASCII("tab-hover-cards") == "tooltip")
+    return GetTooltipText(data_.title, GetAlertStateToShow(data_.alert_state));
   // Tab hover cards replace tooltips for tabs.
   return std::u16string();
 }
--- a/chrome/browser/ui/views/tabs/tab_strip.cc
+++ b/chrome/browser/ui/views/tabs/tab_strip.cc
@@ -19,6 +19,7 @@
 #include <utility>
 #include <vector>
 
+#include "base/command_line.h"
 #include "base/check.h"
 #include "base/compiler_specific.h"
 #include "base/containers/adapters.h"
@@ -1835,6 +1836,8 @@ void TabStrip::OnMouseEventInTab(views::
 }
 
 void TabStrip::UpdateHoverCard(Tab* tab, HoverCardUpdateType update_type) {
+  if (base::CommandLine::ForCurrentProcess()->GetSwitchValueASCII("tab-hover-cards") == "tooltip" ||
+      base::CommandLine::ForCurrentProcess()->GetSwitchValueASCII("tab-hover-cards") == "none") return;
   tab_container_->UpdateHoverCard(tab, update_type);
 }
 
--- a/chrome/browser/ungoogled_flag_choices.h
+++ b/chrome/browser/ungoogled_flag_choices.h
@@ -70,4 +70,13 @@ const FeatureEntry::Choice kCloseConfirm
      "close-confirmation",
      "multiple"},
 };
+const FeatureEntry::Choice kTabHoverCards[] = {
+    {flags_ui::kGenericExperimentChoiceDefault, "", ""},
+    {"None",
+     "tab-hover-cards",
+     "none"},
+    {"Tooltip",
+     "tab-hover-cards",
+     "tooltip"},
+};
 #endif  // CHROME_BROWSER_UNGOOGLED_FLAG_CHOICES_H_
--- a/chrome/browser/ungoogled_flag_entries.h
+++ b/chrome/browser/ungoogled_flag_entries.h
@@ -80,4 +80,8 @@
      "Custom New Tab Page",
      "Allows setting a custom URL for the new tab page. Value can be internal (e.g. `about:blank` or `chrome://new-tab-page`), external (e.g. `example.com`), or local (e.g. `file:///tmp/startpage.html`). This applies for incognito windows as well when not set to a `chrome://` internal page. ungoogled-chromium flag",
      kOsDesktop, ORIGIN_LIST_VALUE_TYPE("custom-ntp", "")},
+    {"tab-hover-cards",
+     "Tab Hover Cards",
+     "Allows removing the tab hover cards or using a tooltip as a replacement. ungoogled-chromium flag.",
+     kOsDesktop, MULTI_VALUE_TYPE(kTabHoverCards)},
 #endif  // CHROME_BROWSER_UNGOOGLED_FLAG_ENTRIES_H_