Add WebContentObserver::OnWebContentsLostFocus()

content/public/browser/web_contents_observer.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CONTENT_PUBLIC_BROWSER_WEB_CONTENTS_OBSERVER_H_
 #define CONTENT_PUBLIC_BROWSER_WEB_CONTENTS_OBSERVER_H_
 
 #include <stdint.h>
 
 #include "base/macros.h"
@@ skipping 405 matching lines @@
   // Invoked when the renderer process changes the page scale factor.
   virtual void OnPageScaleFactorChanged(float page_scale_factor) {}
 
   // Invoked if an IPC message is coming from a specific RenderFrameHost.
   virtual bool OnMessageReceived(const IPC::Message& message,
                                  RenderFrameHost* render_frame_host);
 
   // Notification that |contents| has gained focus.
   virtual void OnWebContentsFocused() {}
 
+  // Notification that |contents| has lost focus.
+  virtual void OnWebContentsLostFocus() {}
+
   // Notifes that a CompositorFrame was received from the renderer.
   virtual void DidReceiveCompositorFrame() {}
 
   // Notifies that the manifest URL for the main frame changed to
   // |manifest_url|. This will be invoked when a document with a manifest loads
   // or when the manifest URL changes (possibly to nothing). It is not invoked
   // when a document with no manifest loads. During document load, if the
   // document has both a manifest and a favicon, DidUpdateWebManifestURL() will
   // be invoked before DidUpdateFaviconURL().
   virtual void DidUpdateWebManifestURL(
@@ skipping 29 matching lines @@
   void ResetWebContents();
 
   WebContentsImpl* web_contents_;
 
   DISALLOW_COPY_AND_ASSIGN(WebContentsObserver);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_BROWSER_WEB_CONTENTS_OBSERVER_H_