Refactor the guts of ResourceDispatcherHostImpl into a new class named

content/public/browser/resource_throttle.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_PUBLIC_BROWSER_RESOURCE_THROTTLE_H_
 #define CONTENT_PUBLIC_BROWSER_RESOURCE_THROTTLE_H_
 
 #include <vector>
 
 class GURL;
 
 namespace content {
 
-class ResourceThrottleController;
+class ResourceController;
 
 // A ResourceThrottle gets notified at various points during the process of
 // loading a resource.  At each stage, it has the opportunity to defer the
-// resource load.  The ResourceThrottleController interface may be used to
-// resume a deferred resource load, or it may be used to cancel a resource
-// load at any time.
+// resource load.  The ResourceController interface may be used to resume a
+// deferred resource load, or it may be used to cancel a resource load at any
+// time.
 class ResourceThrottle {
  public:
   virtual ~ResourceThrottle() {}
 
   virtual void WillStartRequest(bool* defer) {}
   virtual void WillRedirectRequest(const GURL& new_url, bool* defer) {}
   virtual void WillProcessResponse(bool* defer) {}
 
-  void set_controller_for_testing(ResourceThrottleController* c) {
+  void set_controller_for_testing(ResourceController* c) {
     controller_ = c;
   }
 
  protected:
   ResourceThrottle() : controller_(NULL) {}
-  ResourceThrottleController* controller() { return controller_; }
+  ResourceController* controller() { return controller_; }
 
  private:
   friend class ThrottlingResourceHandler;
-  void set_controller(ResourceThrottleController* c) { controller_ = c; }
+  void set_controller(ResourceController* c) { controller_ = c; }
 
-  ResourceThrottleController* controller_;
+  ResourceController* controller_;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_BROWSER_RESOURCE_THROTTLE_H_