Broadcast a state change notification from the toolbar to the RenderWidgetHos...

chrome/browser/render_widget_host_hwnd.h

Index: chrome/browser/render_widget_host_hwnd.h
===================================================================
--- chrome/browser/render_widget_host_hwnd.h	(revision 12533)
+++ chrome/browser/render_widget_host_hwnd.h	(working copy)
@@ -17,6 +17,7 @@
 #include "base/task.h"
 #include "chrome/browser/ime_input.h"
 #include "chrome/browser/render_widget_host_view.h"
+#include "chrome/common/notification_service.h"
 #include "chrome/common/render_messages.h"
 #include "chrome/views/focus_manager.h"
 
@@ -53,7 +54,8 @@
   public CWindowImpl<RenderWidgetHostHWND,
                      CWindow,
                      RenderWidgetHostHWNDTraits>,
-  public RenderWidgetHostView {
+  public RenderWidgetHostView,
+  public NotificationObserver {
  public:
   RenderWidgetHostHWND(RenderWidgetHost* render_widget_host);
   virtual ~RenderWidgetHostHWND();
@@ -178,6 +180,10 @@
   void OnFinalMessage(HWND window);
 
  private:
+  void Observe(NotificationType type,
+               const NotificationSource& source,
+               const NotificationDetails& details);
+
   // Tells Windows that we want to hear about mouse exit messages.
   void TrackMouseLeave(bool start_tracking);