Eliminate SwapOut message parameters, keeping state in RVHM instead.

content/browser/renderer_host/render_process_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_BROWSER_RENDER_PROCESS_HOST_IMPL_H_
 #define CONTENT_BROWSER_RENDERER_HOST_BROWSER_RENDER_PROCESS_HOST_IMPL_H_
 
 #include <map>
 #include <queue>
 #include <string>
 
 #include "base/memory/scoped_ptr.h"
 #include "base/process.h"
 #include "base/synchronization/waitable_event.h"
 #include "base/timer.h"
 #include "content/browser/child_process_launcher.h"
 #include "content/common/content_export.h"
+#include "content/public/browser/global_request_id.h"
 #include "content/public/browser/gpu_data_manager_observer.h"
 #include "content/public/browser/render_process_host.h"
 #include "ipc/ipc_channel_proxy.h"
 #include "ui/surface/transport_dib.h"
 
 class CommandLine;
 struct ViewHostMsg_CompositorSurfaceBuffersSwapped_Params;
 
 namespace base {
 class MessageLoop;
@@ skipping 41 matching lines @@
   RenderProcessHostImpl(BrowserContext* browser_context,
                         StoragePartitionImpl* storage_partition_impl,
                         bool supports_browser_plugin,
                         bool is_guest);
   virtual ~RenderProcessHostImpl();
 
   // RenderProcessHost implementation (public portion).
   virtual void EnableSendQueue() OVERRIDE;
   virtual bool Init() OVERRIDE;
   virtual int GetNextRoutingID() OVERRIDE;
-  virtual void SimulateSwapOutACK(const ViewMsg_SwapOut_Params& params)
-      OVERRIDE;
   virtual bool WaitForBackingStoreMsg(int render_widget_id,
                                       const base::TimeDelta& max_delay,
                                       IPC::Message* msg) OVERRIDE;
   virtual void ReceivedBadMessage() OVERRIDE;
   virtual void WidgetRestored() OVERRIDE;
   virtual void WidgetHidden() OVERRIDE;
   virtual int VisibleWidgetCount() const OVERRIDE;
   virtual bool IsGuest() const OVERRIDE;
   virtual StoragePartition* GetStoragePartition() const OVERRIDE;
   virtual bool FastShutdownIfPossible() OVERRIDE;
@@ skipping 30 matching lines @@
   virtual bool Send(IPC::Message* msg) OVERRIDE;
 
   // IPC::Listener via RenderProcessHost.
   virtual bool OnMessageReceived(const IPC::Message& msg) OVERRIDE;
   virtual void OnChannelConnected(int32 peer_pid) OVERRIDE;
   virtual void OnChannelError() OVERRIDE;
 
   // ChildProcessLauncher::Client implementation.
   virtual void OnProcessLaunched() OVERRIDE;
 
+  // Tells the ResourceDispatcherHost to resume a deferred navigation without
+  // transferring it to a new renderer process.
+  void ResumeDeferredNavigation(const GlobalRequestID& request_id);
+
   // Call this function when it is evident that the child process is actively
   // performing some operation, for example if we just received an IPC message.
   void mark_child_process_activity_time() {
     child_process_activity_time_ = base::TimeTicks::Now();
   }
 
   // Returns the current number of active views in this process.  Excludes
   // any RenderViewHosts that are swapped out.
   int GetActiveViewCount();
 
@@ skipping 193 matching lines @@
   // Prevents the class from being added as a GpuDataManagerImpl observer more
   // than once.
   bool gpu_observer_registered_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderProcessHostImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_BROWSER_RENDER_PROCESS_HOST_IMPL_H_