Fire visibilityChange event on out-of-process iframes.

content/public/renderer/render_view.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_RENDERER_RENDER_VIEW_H_
 #define CONTENT_PUBLIC_RENDERER_RENDER_VIEW_H_
 
 #include <stddef.h>
 
 #include <string>
 
 #include "base/strings/string16.h"
 #include "build/build_config.h"
 #include "content/common/content_export.h"
 #include "content/public/common/top_controls_state.h"
 #include "ipc/ipc_sender.h"
-#include "third_party/WebKit/public/platform/WebPageVisibilityState.h"
 #include "ui/gfx/geometry/rect_f.h"
 #include "ui/gfx/native_widget_types.h"
 
 namespace blink {
 class WebElement;
 class WebFrame;
 class WebFrameWidget;
 class WebLocalFrame;
 class WebNode;
 class WebString;
@@ skipping 74 matching lines @@
 
   // Bitwise-ORed set of extra bindings that have been enabled.  See
   // BindingsPolicy for details.
   virtual int GetEnabledBindings() const = 0;
 
   // Whether content state (such as form state, scroll position and page
   // contents) should be sent to the browser immediately. This is normally
   // false, but set to true by some tests.
   virtual bool GetContentStateImmediately() const = 0;
 
-  // Returns the current visibility of the WebView.
-  virtual blink::WebPageVisibilityState GetVisibilityState() const = 0;
-
   // Used by plugins that load data in this RenderView to update the loading
   // notifications.
   virtual void DidStartLoading() = 0;
   virtual void DidStopLoading() = 0;
 
   // Notifies the renderer that a paint is to be generated for the size
   // passed in.
   virtual void Repaint(const gfx::Size& size) = 0;
 
   // Inject edit commands to be used for the next keyboard event.
@@ skipping 33 matching lines @@
 
  private:
   // This interface should only be implemented inside content.
   friend class RenderViewImpl;
   RenderView() {}
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_RENDERER_RENDER_VIEW_H_