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 dbc1f68f997313d6b89473a6c814dd46baba28c0..d338782c637f0e192e2c5466931116de675f95f2 100644
--- a/chrome/browser/ui/browser.h
+++ b/chrome/browser/ui/browser.h
@@ -57,6 +57,7 @@ class BrowserSyncedWindowDelegate;
 class BrowserToolbarModelDelegate;
 class BrowserTabRestoreServiceDelegate;
 class BrowserWindow;
+class BubbleManager;
 class FindBarController;
 class PrefService;
 class Profile;
@@ -258,6 +259,7 @@ class Browser : public TabStripModelObserver,
   web_modal::PopupManager* popup_manager() {
     return popup_manager_.get();
   }
+  BubbleManager* bubble_manager() { return bubble_manager_.get(); }
   TabStripModel* tab_strip_model() const { return tab_strip_model_.get(); }
   chrome::BrowserCommandController* command_controller() {
     return command_controller_.get();
@@ -862,6 +864,8 @@ class Browser : public TabStripModelObserver,
   // window. JS alerts are not handled by this manager.
   scoped_ptr<web_modal::PopupManager> popup_manager_;
 
+  scoped_ptr<BubbleManager> bubble_manager_;
+
   scoped_ptr<TabStripModelDelegate> tab_strip_model_delegate_;
   scoped_ptr<TabStripModel> tab_strip_model_;