Fix leak when a PeerConnection offer or answer is created.

content/renderer/media/rtc_peer_connection_handler.cc

 // 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.
 
 #include "content/renderer/media/rtc_peer_connection_handler.h"
 
 #include <string>
 #include <utility>
 #include <vector>
 
@@ skipping 168 matching lines @@
  public:
   explicit CreateSessionDescriptionRequest(
       const blink::WebRTCSessionDescriptionRequest& request,
       RTCPeerConnectionHandler* handler,
       PeerConnectionTracker::Action action)
       : webkit_request_(request), tracker_(handler, action) {}
 
   virtual void OnSuccess(webrtc::SessionDescriptionInterface* desc) OVERRIDE {
     tracker_.TrackOnSuccess(desc);
     webkit_request_.requestSucceeded(CreateWebKitSessionDescription(desc));
+    delete desc;
   }
   virtual void OnFailure(const std::string& error) OVERRIDE {
     tracker_.TrackOnFailure(error);
     webkit_request_.requestFailed(base::UTF8ToUTF16(error));
   }
 
  protected:
   virtual ~CreateSessionDescriptionRequest() {}
 
  private:
@@ skipping 662 matching lines @@
   webrtc::SessionDescriptionInterface* native_desc =
       dependency_factory_->CreateSessionDescription(type, sdp, error);
 
   LOG_IF(ERROR, !native_desc) << "Failed to create native session description."
                               << " Type: " << type << " SDP: " << sdp;
 
   return native_desc;
 }
 
 }  // namespace content