Allow URLRequests from one context to have different NetworkDelegates.

net/websockets/websocket_stream.cc

 // Copyright 2013 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 "net/websockets/websocket_stream.h"
 
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/metrics/histogram.h"
 #include "base/metrics/sparse_histogram.h"
@@ skipping 66 matching lines @@
 
 class StreamRequestImpl : public WebSocketStreamRequest {
  public:
   StreamRequestImpl(
       const GURL& url,
       const URLRequestContext* context,
       const url::Origin& origin,
       scoped_ptr<WebSocketStream::ConnectDelegate> connect_delegate,
       scoped_ptr<WebSocketHandshakeStreamCreateHelper> create_helper)
       : delegate_(new Delegate(this)),
-        url_request_(url, DEFAULT_PRIORITY, delegate_.get(), context),
+        url_request_(context->CreateRequest(url, DEFAULT_PRIORITY,
+                                            delegate_.get(), NULL)),
         connect_delegate_(connect_delegate.Pass()),
         create_helper_(create_helper.release()) {
     create_helper_->set_failure_message(&failure_message_);
     HttpRequestHeaders headers;
     headers.SetHeader(websockets::kUpgrade, websockets::kWebSocketLowercase);
     headers.SetHeader(HttpRequestHeaders::kConnection, websockets::kUpgrade);
     headers.SetHeader(HttpRequestHeaders::kOrigin, origin.string());
     headers.SetHeader(websockets::kSecWebSocketVersion,
                       websockets::kSupportedVersion);
-    url_request_.SetExtraRequestHeaders(headers);
+    url_request_->SetExtraRequestHeaders(headers);
 
     // This passes the ownership of |create_helper_| to |url_request_|.
-    url_request_.SetUserData(
+    url_request_->SetUserData(
         WebSocketHandshakeStreamBase::CreateHelper::DataKey(),
         create_helper_);
-    url_request_.SetLoadFlags(LOAD_DISABLE_CACHE |
-                              LOAD_BYPASS_CACHE |
-                              LOAD_DO_NOT_PROMPT_FOR_LOGIN);
+    url_request_->SetLoadFlags(LOAD_DISABLE_CACHE |
+                               LOAD_BYPASS_CACHE |
+                               LOAD_DO_NOT_PROMPT_FOR_LOGIN);
   }
 
   // Destroying this object destroys the URLRequest, which cancels the request
   // and so terminates the handshake if it is incomplete.
   virtual ~StreamRequestImpl() {}
 
   void Start() {
-    url_request_.Start();
+    url_request_->Start();
   }
 
   void PerformUpgrade() {
     connect_delegate_->OnSuccess(create_helper_->Upgrade());
   }
 
   void ReportFailure() {
     if (failure_message_.empty()) {
-      switch (url_request_.status().status()) {
+      switch (url_request_->status().status()) {
         case URLRequestStatus::SUCCESS:
         case URLRequestStatus::IO_PENDING:
           break;
         case URLRequestStatus::CANCELED:
           failure_message_ = "WebSocket opening handshake was canceled";
           break;
         case URLRequestStatus::FAILED:
           failure_message_ =
               std::string("Error in connection establishment: ") +
-              ErrorToString(url_request_.status().error());
+              ErrorToString(url_request_->status().error());
           break;
       }
     }
     connect_delegate_->OnFailure(failure_message_);
   }
 
   WebSocketStream::ConnectDelegate* connect_delegate() const {
     return connect_delegate_.get();
   }
 
  private:
   // |delegate_| needs to be declared before |url_request_| so that it gets
   // initialised first.
   scoped_ptr<Delegate> delegate_;
 
   // Deleting the StreamRequestImpl object deletes this URLRequest object,
   // cancelling the whole connection.
-  URLRequest url_request_;
+  scoped_ptr<URLRequest> url_request_;
 
   scoped_ptr<WebSocketStream::ConnectDelegate> connect_delegate_;
 
   // Owned by the URLRequest.
   WebSocketHandshakeStreamCreateHelper* create_helper_;
 
   // The failure message supplied by WebSocketBasicHandshakeStream, if any.
   std::string failure_message_;
 };
 
@@ skipping 118 matching lines @@
       new StreamRequestImpl(socket_url,
                             url_request_context,
                             origin,
                             connect_delegate.Pass(),
                             create_helper.Pass()));
   request->Start();
   return request.PassAs<WebSocketStreamRequest>();
 }
 
 }  // namespace net