Use WeakPtr for RTCPeerConnectionHandler and RTCPeerConnectionTracker.

content/renderer/media/rtc_peer_connection_handler_unittest.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 <string>
 #include <vector>
 
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop/message_loop.h"
 #include "base/run_loop.h"
@@ skipping 203 matching lines @@
   void SetUp() override {
     mock_client_.reset(new NiceMock<MockWebRTCPeerConnectionHandlerClient>());
     mock_dependency_factory_.reset(new MockPeerConnectionDependencyFactory());
     pc_handler_.reset(
         new RTCPeerConnectionHandlerUnderTest(
             mock_client_.get(), mock_dependency_factory_.get(),
             message_loop_.message_loop_proxy()));
     mock_tracker_.reset(new NiceMock<MockPeerConnectionTracker>());
     blink::WebRTCConfiguration config;
     blink::WebMediaConstraints constraints;
-    EXPECT_TRUE(pc_handler_->InitializeForTest(config, constraints,
-                                               mock_tracker_.get()));
+    EXPECT_TRUE(pc_handler_->InitializeForTest(
+        config, constraints, mock_tracker_.get()->AsWeakPtr()));
 
     mock_peer_connection_ = pc_handler_->native_peer_connection();
     ASSERT_TRUE(mock_peer_connection_);
   }
 
   void TearDown() override {
     pc_handler_.reset();
     mock_tracker_.reset();
     mock_dependency_factory_.reset();
     mock_client_.reset();
@@ skipping 743 matching lines @@
   EXPECT_CALL(*mock_tracker_.get(),
               TrackCreateDTMFSender(pc_handler_.get(),
                                     testing::Ref(tracks[0])));
 
   scoped_ptr<blink::WebRTCDTMFSenderHandler> sender(
       pc_handler_->createDTMFSender(tracks[0]));
   EXPECT_TRUE(sender.get());
 }
 
 }  // namespace content