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..0973a3aa2c8070a8c14af77c3ee78850365953ff 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"
@@ -254,6 +255,7 @@ class Browser : public TabStripModelObserver,
     toolbar_model->swap(toolbar_model_);
   }
 #endif
+  ChromeBubbleManager* bubble_manager() { return &bubble_manager_; }
   TabStripModel* tab_strip_model() const { return tab_strip_model_.get(); }
   chrome::BrowserCommandController* command_controller() {
     return command_controller_.get();
@@ -853,6 +855,8 @@ class Browser : public TabStripModelObserver,
   // This Browser's window.
   BrowserWindow* window_;
 
+  ChromeBubbleManager bubble_manager_;
+
   scoped_ptr<TabStripModelDelegate> tab_strip_model_delegate_;
   scoped_ptr<TabStripModel> tab_strip_model_;