[Extension UI Views] Add tests for clicking the different message bubble buttons

chrome/browser/ui/views/settings_api_bubble_helper_views.cc

Index: chrome/browser/ui/views/settings_api_bubble_helper_views.cc
diff --git a/chrome/browser/ui/views/settings_api_bubble_helper_views.cc b/chrome/browser/ui/views/settings_api_bubble_helper_views.cc
index be6ff12e14ae20f836675c02b911ab77a4c13c11..ad5acdc68a81bc56edadf03b5363d72e3c8bb24d 100644
--- a/chrome/browser/ui/views/settings_api_bubble_helper_views.cc
+++ b/chrome/browser/ui/views/settings_api_bubble_helper_views.cc
@@ -11,6 +11,7 @@
 #include "chrome/browser/extensions/settings_api_bubble_delegate.h"
 #include "chrome/browser/extensions/settings_api_helpers.h"
 #include "chrome/browser/ui/browser_finder.h"
+#include "chrome/browser/ui/extensions/extension_message_bubble_factory.h"
 #include "chrome/browser/ui/tabs/tab_strip_model.h"
 #include "chrome/browser/ui/views/extensions/extension_message_bubble_view.h"
 #include "chrome/browser/ui/views/frame/browser_view.h"
@@ -46,7 +47,8 @@ void ShowSettingsApiBubble(SettingsApiOverrideType type,
 
 void MaybeShowExtensionControlledHomeNotification(Browser* browser) {
 #if !defined(OS_WIN)
-  return;
+  if (!ExtensionMessageBubbleFactory::is_enabled_for_testing())
+    return;
 #endif
 
   // The bubble will try to anchor itself against the home button
@@ -63,7 +65,8 @@ void MaybeShowExtensionControlledSearchNotification(
     content::WebContents* web_contents,
     AutocompleteMatch::Type match_type) {
 #if !defined(OS_WIN)
-  return;
+  if (!ExtensionMessageBubbleFactory::is_enabled_for_testing())
+    return;
 #endif
 
   if (AutocompleteMatch::IsSearchType(match_type) &&
@@ -80,7 +83,8 @@ void MaybeShowExtensionControlledSearchNotification(
 void MaybeShowExtensionControlledNewTabPage(
     Browser* browser, content::WebContents* web_contents) {
 #if !defined(OS_WIN)
-  return;
+  if (!ExtensionMessageBubbleFactory::is_enabled_for_testing())
+    return;
 #endif
 
   content::NavigationEntry* entry =