Move message handlers that don't belong in RenderProcessHostImpl to their own files.

content/renderer/renderer_webkitplatformsupport_impl.cc

 // 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.
 
 #include "content/renderer/renderer_webkitplatformsupport_impl.h"
 
 #include "base/command_line.h"
 #include "base/file_path.h"
 #include "base/file_util.h"
 #include "base/platform_file.h"
@@ skipping 407 matching lines @@
   result = -1;
   return false;
 }
 
 void RendererWebKitPlatformSupportImpl::FileUtilities::revealFolderInOS(
     const WebString& path) {
   FilePath file_path(webkit_glue::WebStringToFilePath(path));
   bool res = file_util::AbsolutePath(&file_path);
   DCHECK(res);
   RenderThreadImpl::current()->Send(
-      new ViewHostMsg_RevealFolderInOS(file_path));
+      new FileUtilitiesMsg_RevealFolderInOS(file_path));
 }
 
 bool RendererWebKitPlatformSupportImpl::FileUtilities::getFileModificationTime(
     const WebString& path,
     double& result) {
   base::Time time;
   if (SendSyncMessageFromAnyThread(new FileUtilitiesMsg_GetFileModificationTime(
           webkit_glue::WebStringToFilePath(path), &time))) {
     result = time.ToDoubleT();
     return !time.is_null();
@@ skipping 286 matching lines @@
   DCHECK(render_thread);
   if (!render_thread)
     return NULL;
   return render_thread->CreateMediaStreamCenter(client);
 }
 
 GpuChannelHostFactory*
 RendererWebKitPlatformSupportImpl::GetGpuChannelHostFactory() {
   return RenderThreadImpl::current();
 }