Refactor sudden termination

content/renderer/render_frame_impl.h

 // Copyright 2013 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_RENDERER_RENDER_FRAME_IMPL_H_
 #define CONTENT_RENDERER_RENDER_FRAME_IMPL_H_
 
 #include <vector>
 
 #include "base/basictypes.h"
@@ skipping 492 matching lines @@
   virtual void handleAccessibilityFindInPageResult(
         int identifier,
         int match_index,
         const blink::WebAXObject& start_object,
         int start_offset,
         const blink::WebAXObject& end_object,
         int end_offset);
   virtual void didChangeManifest(blink::WebLocalFrame*);
   virtual bool enterFullscreen();
   virtual bool exitFullscreen();
+  void suddenTerminationDisablerChanged(
+      int variation,
+      blink::WebFrameClient::SuddenTerminationDisablerType type) override;
 
   // WebMediaPlayerDelegate implementation:
   void DidPlay(blink::WebMediaPlayer* player) override;
   void DidPause(blink::WebMediaPlayer* player) override;
   void PlayerGone(blink::WebMediaPlayer* player) override;
 
   // TODO(nasko): Make all tests in RenderViewImplTest friends and then move
   // this back to private member.
   void OnNavigate(const FrameMsg_Navigate_Params& params);
 
@@ skipping 316 matching lines @@
   // process.
   ManifestManager* manifest_manager_;
 
   // The current accessibility mode.
   AccessibilityMode accessibility_mode_;
 
   // Only valid if |accessibility_mode_| is anything other than
   // AccessibilityModeOff.
   RendererAccessibility* renderer_accessibility_;
 
+  // Used to track disablers of sudden termination. A change of presence of any
+  // of those elements should be transmitted to the browser.
+  int beforeunload_handlers_;
+  int unload_handlers_;
+
 #if defined(OS_MACOSX) || defined(OS_ANDROID)
   // The external popup for the currently showing select popup.
   scoped_ptr<ExternalPopupMenu> external_popup_menu_;
 #endif
 
   base::WeakPtrFactory<RenderFrameImpl> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderFrameImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_RENDER_FRAME_IMPL_H_