RTCStatsCollector and RTCPeerConnectionStats added

webrtc/api/test/mock_datachannel.h

+/*
+ *  Copyright 2016 The WebRTC project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+#ifndef WEBRTC_API_TEST_MOCK_DATACHANNEL_H_
+#define WEBRTC_API_TEST_MOCK_DATACHANNEL_H_
+
+#include "webrtc/api/datachannel.h"
+#include "testing/gmock/include/gmock/gmock.h"
+
+namespace webrtc {
+
+class MockDataChannel : public rtc::RefCountedObject<DataChannel> {
+ public:
+  explicit MockDataChannel(DataState state)
+      : rtc::RefCountedObject<DataChannel>(
+            nullptr, cricket::DCT_NONE, "MockDataChannel") {
+    EXPECT_CALL(*this, state()).WillRepeatedly(testing::Return(state));
+  }
+  MOCK_CONST_METHOD0(state, DataState());
+};
+
+}  // namespace webrtc
+
+#endif  // WEBRTC_API_TEST_MOCK_DATACHANNEL_H_