Tab Search: Enable feedback button feature flag

Bug: 1099917
Change-Id: I51249a533b84439513708d62e5f56ac83120cce9
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2427184Reviewed-by: Thomas Lukaszewicz <tluk@chromium.org>
Commit-Queue: Roman Arora <romanarora@chromium.org>
Commit-Queue: Thomas Lukaszewicz <tluk@chromium.org>
Cr-Commit-Position: refs/heads/master@{#810245}

chrome/browser/ui/ui_features.cc

@@ -101,6 +101,10 @@ const base::Feature kTabOutlinesInLowContrastThemes{
 // Enables searching tabs across multiple windows.
 const base::Feature kTabSearch{"TabSearch", base::FEATURE_DISABLED_BY_DEFAULT};
 
+// Enables the tab search submit feedback button.
+const base::Feature kTabSearchFeedback{"TabSearchFeedback",
+                                       base::FEATURE_DISABLED_BY_DEFAULT};
+
 // Enables the tab search bubble having a fixed tab strip position.
 const base::Feature kTabSearchFixedEntrypoint{
     "TabSearchFixedEntrypoint", base::FEATURE_DISABLED_BY_DEFAULT};

chrome/browser/ui/ui_features.h

@@ -61,6 +61,8 @@ extern const base::Feature kTabOutlinesInLowContrastThemes;
 
 extern const base::Feature kTabSearch;
 
+extern const base::Feature kTabSearchFeedback;
+
 extern const base::Feature kTabSearchFixedEntrypoint;
 
 extern const base::Feature kUseTextForUpdateButton;

chrome/browser/ui/webui/tab_search/tab_search_ui.cc

@@ -6,6 +6,7 @@
 
 #include "build/branding_buildflags.h"
 #include "chrome/browser/profiles/profile.h"
+#include "chrome/browser/ui/ui_features.h"
 #include "chrome/browser/ui/webui/favicon_source.h"
 #include "chrome/browser/ui/webui/webui_util.h"
 #include "chrome/common/webui_url_constants.h"
@@ -52,6 +53,10 @@ TabSearchUI::TabSearchUI(content::WebUI* web_ui)
   };
   AddLocalizedStringsBulk(source, kStrings);
 
+  source->AddBoolean(
+      "submitFeedbackEnabled",
+      base::FeatureList::IsEnabled(features::kTabSearchFeedback));
+
   source->AddLocalizedString("close", IDS_CLOSE);
   source->AddResourcePath("tab_search.mojom-lite.js",
                           IDR_TAB_SEARCH_MOJO_LITE_JS);