Revert of Remove webkit's ResourceLoaderBridge interface.

content/child/child_thread.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_CHILD_CHILD_THREAD_H_
 #define CONTENT_CHILD_CHILD_THREAD_H_
 
 #include <string>
 
 #include "base/basictypes.h"
@@ skipping 61 matching lines @@
   virtual ~ChildThread();
   virtual void Shutdown();
 
   // IPC::Sender implementation:
   virtual bool Send(IPC::Message* msg) OVERRIDE;
 
   IPC::SyncChannel* channel() { return channel_.get(); }
 
   MessageRouter* GetRouter();
 
+  // Creates a ResourceLoaderBridge.
+  // Tests can override this method if they want a custom loading behavior.
+  virtual webkit_glue::ResourceLoaderBridge* CreateBridge(
+      const RequestInfo& request_info);
+
   // Allocates a block of shared memory of the given size and
   // maps in into the address space. Returns NULL of failure.
   // Note: On posix, this requires a sync IPC to the browser process,
   // but on windows the child process directly allocates the block.
   base::SharedMemory* AllocateSharedMemory(size_t buf_size);
 
   // A static variant that can be called on background threads provided
   // the |sender| passed in is safe to use on background threads.
   static base::SharedMemory* AllocateSharedMemory(size_t buf_size,
                                                   IPC::Sender* sender);
@@ skipping 161 matching lines @@
   scoped_ptr<base::PowerMonitor> power_monitor_;
 
   bool in_browser_process_;
 
   DISALLOW_COPY_AND_ASSIGN(ChildThread);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_CHILD_CHILD_THREAD_H_