[Reland] [Extensions] Make extension message bubble factory platform-abstract

chrome/browser/ui/toolbar/toolbar_actions_bar_delegate.h

Index: chrome/browser/ui/toolbar/toolbar_actions_bar_delegate.h
diff --git a/chrome/browser/ui/toolbar/toolbar_actions_bar_delegate.h b/chrome/browser/ui/toolbar/toolbar_actions_bar_delegate.h
index 9a24e6dc3faf6cd7f733779be25cd725d2ea9405..af71316d6313b8a21aaab3842abd0d5a2100e078 100644
--- a/chrome/browser/ui/toolbar/toolbar_actions_bar_delegate.h
+++ b/chrome/browser/ui/toolbar/toolbar_actions_bar_delegate.h
@@ -5,11 +5,16 @@
 #ifndef CHROME_BROWSER_UI_TOOLBAR_TOOLBAR_ACTIONS_BAR_DELEGATE_H_
 #define CHROME_BROWSER_UI_TOOLBAR_TOOLBAR_ACTIONS_BAR_DELEGATE_H_
 
+#include "base/memory/scoped_ptr.h"
 #include "ui/gfx/animation/tween.h"
 #include "ui/gfx/geometry/size.h"
 
 class ToolbarActionViewController;
 
+namespace extensions {
+class ExtensionMessageBubbleController;
+}
+
 // The delegate class (which, in production, represents the view) of the
 // ToolbarActionsBar.
 class ToolbarActionsBarDelegate {
@@ -59,6 +64,10 @@ class ToolbarActionsBarDelegate {
   // action wants to run has changed.
   virtual void OnOverflowedActionWantsToRunChanged(
       bool overflowed_action_wants_to_run) = 0;
+
+  // Displays the bubble for the passed ExtensionMessageBubbleController.
+  virtual void ShowExtensionMessageBubble(
+      scoped_ptr<extensions::ExtensionMessageBubbleController> controller) = 0;
 };
 
 #endif  // CHROME_BROWSER_UI_TOOLBAR_TOOLBAR_ACTIONS_BAR_DELEGATE_H_