Eliminate SwapOut message parameters, keeping state in RVHM instead.

content/renderer/render_view_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_RENDERER_RENDER_VIEW_IMPL_H_
 #define CONTENT_RENDERER_RENDER_VIEW_IMPL_H_
 
 #include <deque>
 #include <map>
 #include <set>
@@ skipping 61 matching lines @@
 #pragma warning(disable: 4250)
 #endif
 
 class CommandLine;
 class PepperDeviceTest;
 class SkBitmap;
 struct PP_NetAddress_Private;
 struct ViewMsg_Navigate_Params;
 struct ViewMsg_PostMessage_Params;
 struct ViewMsg_StopFinding_Params;
-struct ViewMsg_SwapOut_Params;
 struct WebDropData;
 
 namespace ui {
 struct SelectedFileInfo;
 }  // namespace ui
 
 namespace webkit {
 
 namespace ppapi {
 class PluginInstance;
@@ skipping 941 matching lines @@
   void OnSetHistoryLengthAndPrune(int history_length, int32 minimum_page_id);
   void OnSetInitialFocus(bool reverse);
   void OnSetPageEncoding(const std::string& encoding_name);
   void OnSetRendererPrefs(const RendererPreferences& renderer_prefs);
   void OnSetWebUIProperty(const std::string& name, const std::string& value);
   void OnSetZoomLevel(double zoom_level);
   void OnSetZoomLevelForLoadingURL(const GURL& url, double zoom_level);
   void OnShouldClose();
   void OnStop();
   void OnStopFinding(StopFindAction action);
-  void OnSwapOut(const ViewMsg_SwapOut_Params& params);
+  void OnSwapOut();
   void OnThemeChanged();
   void OnUpdateTargetURLAck();
   void OnUpdateTimezone();
   void OnUpdateWebPreferences(const WebPreferences& prefs);
 
   void OnZoom(PageZoom zoom);
   void OnZoomFactor(PageZoom zoom, int zoom_center_x, int zoom_center_y);
 
   void OnEnableViewSourceMode();
 
@@ skipping 500 matching lines @@
   // use the Observer interface to filter IPC messages and receive frame change
   // notifications.
   // ---------------------------------------------------------------------------
 
   DISALLOW_COPY_AND_ASSIGN(RenderViewImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_RENDER_VIEW_IMPL_H_