Add BubbleManager to manage bubbles and ChromeBubbleManager for events.

chrome/browser/ui/browser.h

Index: chrome/browser/ui/browser.h
diff --git a/chrome/browser/ui/browser.h b/chrome/browser/ui/browser.h
index 362d85a679987c6b877490bdc4797511cc8a8afe..56add135c3899cd979499b860705aa8b8b8e745a 100644
--- a/chrome/browser/ui/browser.h
+++ b/chrome/browser/ui/browser.h
@@ -23,6 +23,7 @@
 #include "chrome/browser/ui/bookmarks/bookmark_bar.h"
 #include "chrome/browser/ui/bookmarks/bookmark_tab_helper_delegate.h"
 #include "chrome/browser/ui/browser_navigator.h"
+#include "chrome/browser/ui/chrome_bubble_manager.h"
 #include "chrome/browser/ui/chrome_web_modal_dialog_manager_delegate.h"
 #include "chrome/browser/ui/exclusive_access/exclusive_access_manager.h"
 #include "chrome/browser/ui/host_desktop.h"
@@ -283,6 +284,9 @@ class Browser : public TabStripModelObserver,
     return hosted_app_controller_.get();
   }
 
+  // Will lazy create the bubble manager.
+  ChromeBubbleManager* GetBubbleManager();
+
   // Get the FindBarController for this browser, creating it if it does not
   // yet exist.
   FindBarController* GetFindBarController();
@@ -924,6 +928,8 @@ class Browser : public TabStripModelObserver,
   scoped_ptr<chrome::UnloadController> unload_controller_;
   scoped_ptr<chrome::FastUnloadController> fast_unload_controller_;
 
+  scoped_ptr<ChromeBubbleManager> bubble_manager_;
+
   // The Find Bar. This may be NULL if there is no Find Bar, and if it is
   // non-NULL, it may or may not be visible.
   scoped_ptr<FindBarController> find_bar_controller_;