Header cleanup in chrome/renderer/.

chrome/renderer/render_thread.h

 // Copyright (c) 2010 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_RENDERER_RENDER_THREAD_H_
 #define CHROME_RENDERER_RENDER_THREAD_H_
 #pragma once
 
-#include <set>
 #include <string>
 #include <vector>
 
 #include "base/shared_memory.h"
 #include "base/string16.h"
-#include "base/task.h"
 #include "base/time.h"
 #include "base/timer.h"
 #include "build/build_config.h"
 #include "chrome/common/child_thread.h"
 #include "chrome/common/css_colors.h"
 #include "chrome/renderer/visitedlink_slave.h"
 #include "gfx/native_widget_types.h"
-#include "ipc/ipc_channel_handle.h"
 #include "ipc/ipc_platform_file.h"
 
 class AppCacheDispatcher;
 class CookieMessageFilter;
 class DBMessageFilter;
 class DevToolsAgentFilter;
 class FilePath;
 class GpuChannelHost;
 class IndexedDBDispatcher;
 class ListValue;
 class NullableString16;
 class RendererHistogram;
 class RendererHistogramSnapshots;
 class RendererNetPredictor;
 class RendererWebKitClientImpl;
 class SpellCheck;
 class SkBitmap;
 class UserScriptSlave;
 class URLPattern;
 class WebDatabaseObserverImpl;
 
 struct ContentSettings;
 struct RendererPreferences;
 struct ViewMsg_DOMStorageEvent_Params;
 struct ViewMsg_ExtensionExtentsUpdated_Params;
 struct ViewMsg_New_Params;
 struct WebPreferences;
 
+namespace IPC {
+struct ChannelHandle;
+}
+
 namespace WebKit {
 class WebStorageEventDispatcher;
 }
 
 // The RenderThreadBase is the minimal interface that a RenderView/Widget
 // expects from a render thread. The interface basically abstracts a way to send
 // and receive messages.
 //
 // TODO(brettw): This has two different and opposing usage patterns which
 // make it confusing.
@@ skipping 296 matching lines @@
 
   // A list of extension web extents, which tells us which URLs belong to an
   // installed app.
   struct ExtensionInfo;
   std::vector<ExtensionInfo> extension_extents_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderThread);
 };
 
 #endif  // CHROME_RENDERER_RENDER_THREAD_H_