Add WebContentObserver::OnWebContentsLostFocus()

content/browser/renderer_host/render_view_host_impl.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_BROWSER_RENDERER_HOST_RENDER_VIEW_HOST_IMPL_H_
 #define CONTENT_BROWSER_RENDERER_HOST_RENDER_VIEW_HOST_IMPL_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 196 matching lines @@
   // one or two places. Have the caller send the IPC message directly (unless
   // the caller places are in different platforms, in which case it's better
   // to keep them consistent).
 
  protected:
   // RenderWidgetHostOwnerDelegate overrides.
   bool OnMessageReceived(const IPC::Message& msg) override;
   void RenderWidgetDidInit() override;
   void RenderWidgetWillSetIsLoading(bool is_loading) override;
   void RenderWidgetGotFocus() override;
+  void RenderWidgetLostFocus() override;
   void RenderWidgetDidForwardMouseEvent(
       const blink::WebMouseEvent& mouse_event) override;
   bool MayRenderWidgetForwardKeyboardEvent(
       const NativeWebKeyboardEvent& key_event) override;
 
   // IPC message handlers.
   void OnShowView(int route_id,
                   WindowOpenDisposition disposition,
                   const gfx::Rect& initial_rect,
                   bool user_gesture);
@@ skipping 101 matching lines @@
   bool render_view_ready_on_process_launch_;
 
   base::WeakPtrFactory<RenderViewHostImpl> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderViewHostImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_RENDER_VIEW_HOST_IMPL_H_