Add a ResourceScheduler to ResourceDispatcherHost.

content/browser/loader/resource_loader.h

Index: content/browser/loader/resource_loader.h
diff --git a/content/browser/loader/resource_loader.h b/content/browser/loader/resource_loader.h
index 14a67ec9e9c3587f047882a40b0ea27682dfc5c2..fca1c535a88f616c7673d54c8cd0b47f796038ff 100644
--- a/content/browser/loader/resource_loader.h
+++ b/content/browser/loader/resource_loader.h
@@ -8,6 +8,7 @@
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "content/browser/loader/resource_handler.h"
+#include "content/browser/loader/resource_scheduler.h"
 #include "content/browser/ssl/ssl_error_handler.h"
 #include "content/public/browser/resource_controller.h"
 #include "net/url_request/url_request.h"
@@ -23,14 +24,15 @@ class SSLClientAuthHandler;
 // chain of ResourceHandlers, and is the ResourceController for its handler.
 class ResourceLoader : public net::URLRequest::Delegate,
                        public SSLErrorHandler::Delegate,
-                       public ResourceController {
+                       public ResourceController,
+                       public ResourceScheduler::Loadable {
  public:
-  ResourceLoader(scoped_ptr<net::URLRequest> request,
-                 scoped_ptr<ResourceHandler> handler,
-                 ResourceLoaderDelegate* delegate);
+  CONTENT_EXPORT ResourceLoader(scoped_ptr<net::URLRequest> request,
+                                scoped_ptr<ResourceHandler> handler,
+                                ResourceLoaderDelegate* delegate);
   virtual ~ResourceLoader();
 
-  void StartRequest();
+  void ScheduleRequest(ResourceScheduler* scheduler);
   void CancelRequest(bool from_renderer);
 
   void ReportUploadProgress();
@@ -77,6 +79,10 @@ class ResourceLoader : public net::URLRequest::Delegate,
   virtual void CancelAndIgnore() OVERRIDE;
   virtual void CancelWithError(int error_code) OVERRIDE;
 
+  // ResourceScheduler::Loadable implementation:
+  virtual void StartRequest() OVERRIDE;
+  virtual const net::URLRequest* url_request() OVERRIDE;
+
   void StartRequestInternal();
   void CancelRequestInternal(int error, bool from_renderer);
   void CompleteResponseStarted();
@@ -101,6 +107,7 @@ class ResourceLoader : public net::URLRequest::Delegate,
   scoped_ptr<net::URLRequest> request_;
   scoped_ptr<ResourceHandler> handler_;
   ResourceLoaderDelegate* delegate_;
+  scoped_ptr<ResourceScheduler::LoadHandle> load_handle_;
 
   scoped_refptr<ResourceDispatcherHostLoginDelegate> login_delegate_;
   scoped_refptr<SSLClientAuthHandler> ssl_client_auth_handler_;