Make fullscreen exit bubble link work by preventing the bubble from ever bein...

chrome/browser/views/fullscreen_exit_bubble.h

Index: chrome/browser/views/fullscreen_exit_bubble.h
===================================================================
--- chrome/browser/views/fullscreen_exit_bubble.h	(revision 11478)
+++ chrome/browser/views/fullscreen_exit_bubble.h	(working copy)
@@ -25,6 +25,7 @@
 
  private:
   class FullscreenExitView;
+  class FullscreenExitPopup;
 
   static const double kOpacity;          // Opacity of the bubble, 0.0 - 1.0
   static const int kInitialDelayMs;      // Initial time bubble remains onscreen
@@ -60,9 +61,9 @@
   // it.
   CommandUpdater::CommandUpdaterDelegate* delegate_;
 
-  // We use an HWND for the popup so that it may float above any plugins in the
-  // page.
-  views::WidgetWin* popup_;
+  // The popup itself, which is a slightly modified WidgetWin.  We need to use
+  // a WidgetWin (and thus an HWND) to make the popup float over other HWNDs.
+  FullscreenExitPopup* popup_;
 
   // The contents of the popup.
   FullscreenExitView* view_;