Introduce Http{Request,Response} mojom structs.

mojo/services/network/http_connection_impl.h

 // Copyright 2015 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 MOJO_SERVICES_NETWORK_HTTP_CONNECTION_IMPL_H_
 #define MOJO_SERVICES_NETWORK_HTTP_CONNECTION_IMPL_H_
 
 #include <set>
 #include <string>
 
 #include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
 #include "mojo/services/network/public/interfaces/http_connection.mojom.h"
-#include "mojo/services/network/public/interfaces/url_loader.mojom.h"
+#include "mojo/services/network/public/interfaces/http_message.mojom.h"
 #include "third_party/mojo/src/mojo/public/cpp/bindings/binding.h"
 #include "third_party/mojo/src/mojo/public/cpp/bindings/error_handler.h"
 
 namespace net {
 class HttpServerRequestInfo;
 }
 
 namespace mojo {
 
 class HttpServerImpl;
@@ skipping 19 matching lines @@
   // HttpConnection implementation.
   void SetSendBufferSize(uint32_t size,
                          const SetSendBufferSizeCallback& callback) override;
   void SetReceiveBufferSize(
       uint32_t size,
       const SetReceiveBufferSizeCallback& callback) override;
 
   // ErrorHandler implementation.
   void OnConnectionError() override;
 
-  void OnFinishedReadingResponseBody(URLResponsePtr response_ptr,
+  void OnFinishedReadingResponseBody(HttpResponsePtr response_ptr,
                                      SimpleDataPipeReader* reader,
                                      scoped_ptr<std::string> body);
 
   const int connection_id_;
   HttpServerImpl* const owner_;
   HttpConnectionDelegatePtr delegate_;
   Binding<HttpConnection> binding_;
   // Owns its elements.
   std::set<SimpleDataPipeReader*> response_body_readers_;
   bool encountered_connection_error_;
 
   DISALLOW_COPY_AND_ASSIGN(HttpConnectionImpl);
 };
 
 }  // namespace mojo
 
 #endif  // MOJO_SERVICES_NETWORK_HTTP_CONNECTION_IMPL_H_