[Extensions Mac] Implement developer mode warning on mac

chrome/browser/ui/toolbar/toolbar_actions_bar.h

Index: chrome/browser/ui/toolbar/toolbar_actions_bar.h
diff --git a/chrome/browser/ui/toolbar/toolbar_actions_bar.h b/chrome/browser/ui/toolbar/toolbar_actions_bar.h
index 349736cbde1ecfea49466fe991ad0943f3650d48..e5d974b681b42b1ffcb1a10f64360d5d6e4a9184 100644
--- a/chrome/browser/ui/toolbar/toolbar_actions_bar.h
+++ b/chrome/browser/ui/toolbar/toolbar_actions_bar.h
@@ -36,8 +36,7 @@ class ToolbarActionViewController;
 // (fka wrench) menu. The main bar can have only a single row of icons with
 // flexible width, whereas the overflow bar has multiple rows of icons with a
 // fixed width (the width of the menu).
-class ToolbarActionsBar : public extensions::ExtensionToolbarModel::Observer,
-                          public ToolbarActionsBarBubbleDelegate {
+class ToolbarActionsBar : public extensions::ExtensionToolbarModel::Observer {
  public:
   // A struct to contain the platform settings.
   struct PlatformSettings {
@@ -123,9 +122,6 @@ class ToolbarActionsBar : public extensions::ExtensionToolbarModel::Observer,
                   int dropped_index,
                   DragType drag_type);
 
-  // Returns true if the info bubble about the toolbar redesign should be shown.
-  bool ShouldShowInfoBubble();
-
   const std::vector<ToolbarActionViewController*>& toolbar_actions() const {
     return toolbar_actions_.get();
   }
@@ -177,10 +173,6 @@ class ToolbarActionsBar : public extensions::ExtensionToolbarModel::Observer,
   void OnToolbarModelInitialized() override;
   Browser* GetBrowser() override;
 
-  // ToolbarActionsBarBubbleDelegate:
-  void OnToolbarActionsBarBubbleShown() override;
-  void OnToolbarActionsBarBubbleClosed(CloseAction action) override;
-
   // Resizes the delegate (if necessary) to the preferred size using the given
   // |tween_type| and optionally suppressing the chevron.
   void ResizeDelegate(gfx::Tween::Type tween_type, bool suppress_chevron);