Third patch in getting rid of caching MessageLoop pointers and always using C...

chrome/browser/renderer_host/render_widget_helper.h

 // Copyright (c) 2006-2008 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 CHROME_BROWSER_RENDEDER_HOST_RENDER_WIDGET_HELPER_H_
 #define CHROME_BROWSER_RENDEDER_HOST_RENDER_WIDGET_HELPER_H_
 
 #include <map>
 
 #include "base/atomic_sequence_num.h"
 #include "base/hash_tables.h"
 #include "base/process.h"
 #include "base/ref_counted.h"
 #include "base/lock.h"
 #include "base/waitable_event.h"
 #include "chrome/common/transport_dib.h"
 
 namespace IPC {
 class Message;
 }
 
 namespace base {
 class TimeDelta;
 }
 
-class MessageLoop;
 class ResourceDispatcherHost;
 struct ViewMsg_ClosePage_Params;
 
 // Instantiated per RenderProcessHost to provide various optimizations on
 // behalf of a RenderWidgetHost.  This class bridges between the IO thread
 // where the RenderProcessHost's MessageFilter lives and the UI thread where
 // the RenderWidgetHost lives.
 //
 //
 // OPTIMIZED RESIZE
@@ skipping 76 matching lines @@
   // Given the id of a transport DIB, return a mapping to it or NULL on error.
   TransportDIB* MapTransportDIB(TransportDIB::Id dib_id);
 #endif
 
 
   // IO THREAD ONLY -----------------------------------------------------------
 
   // Called on the IO thread when a PaintRect message is received.
   void DidReceivePaintMsg(const IPC::Message& msg);
 
-  MessageLoop* ui_loop() { return ui_loop_; }
-
   void CreateNewWindow(int opener_id,
                        bool user_gesture,
                        base::ProcessHandle render_process,
                        int* route_id);
   void CreateNewWidget(int opener_id, bool activatable, int* route_id);
 
 #if defined(OS_MACOSX)
   // Called on the IO thread to handle the allocation of a transport DIB
   void AllocTransportDIB(size_t size, TransportDIB::Handle* result);
 
@@ skipping 42 matching lines @@
   std::map<TransportDIB::Id, int> allocated_dibs_;
 #endif
 
   // A map of live paint messages.  Must hold pending_paints_lock_ to access.
   // The PaintMsgProxy objects are not owned by this map.  (See PaintMsgProxy
   // for details about how the lifetime of instances are managed.)
   PaintMsgProxyMap pending_paints_;
   Lock pending_paints_lock_;
 
   int render_process_id_;
-  MessageLoop* ui_loop_;
 
   // Event used to implement WaitForPaintMsg.
   base::WaitableEvent event_;
 
   // The next routing id to use.
   base::AtomicSequenceNumber next_routing_id_;
 
   ResourceDispatcherHost* resource_dispatcher_host_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderWidgetHelper);
 };
 
 #endif  // CHROME_BROWSER_RENDEDER_HOST_RENDER_WIDGET_HELPER_H_