[Chromecast] Add mock implementation of CastMetricsHelper.

chromecast/base/metrics/mock_cast_metrics_helper.h

Index: chromecast/base/metrics/mock_cast_metrics_helper.h
diff --git a/chromecast/base/metrics/mock_cast_metrics_helper.h b/chromecast/base/metrics/mock_cast_metrics_helper.h
new file mode 100644
index 0000000000000000000000000000000000000000..743662015891b51eca60e21e9e6a7ab61fb21569
--- /dev/null
+++ b/chromecast/base/metrics/mock_cast_metrics_helper.h
@@ -0,0 +1,49 @@
+// Copyright 2016 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 CHROMECAST_BASE_METRICS_MOCK_CAST_METRICS_HELPER_H_
+#define CHROMECAST_BASE_METRICS_MOCK_CAST_METRICS_HELPER_H_
+
+#include "base/macros.h"
+#include "chromecast/base/metrics/cast_metrics_helper.h"
+#include "testing/gmock/include/gmock/gmock.h"
+
+namespace chromecast {
+namespace metrics {
+
+class MockCastMetricsHelper : public CastMetricsHelper {
+ public:
+  MockCastMetricsHelper();
+  ~MockCastMetricsHelper() override;
+
+  MOCK_METHOD2(UpdateCurrentAppInfo,
+               void(const std::string& app_id, const std::string& session_id));
+  MOCK_METHOD1(UpdateSDKInfo, void(const std::string& sdk_version));
+  MOCK_METHOD0(LogMediaPlay, void());
+  MOCK_METHOD0(LogMediaPause, void());
+  MOCK_METHOD1(RecordSimpleAction, void(const std::string& action));
+  MOCK_METHOD2(RecordEventWithValue,
+               void(const std::string& action, int value));
+  MOCK_METHOD1(RecordApplicationEvent, void(const std::string& event));
+  MOCK_METHOD2(RecordApplicationEventWithValue,
+               void(const std::string& event, int value));
+  MOCK_METHOD0(LogTimeToFirstPaint, void());
+  MOCK_METHOD0(LogTimeToFirstAudio, void());
+  MOCK_METHOD2(LogTimeToBufferAv,
+               void(BufferingType buffering_type, base::TimeDelta time));
+  MOCK_CONST_METHOD2(GetMetricsNameWithAppName,
+                     std::string(const std::string& prefix,
+                                 const std::string& suffix));
+  MOCK_METHOD1(SetMetricsSink, void(MetricsSink* delegate));
+  MOCK_METHOD1(SetRecordActionCallback,
+               void(const RecordActionCallback& callback));
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(MockCastMetricsHelper);
+};
+
+}  // namespace metrics
+}  // namespace chromecast
+
+#endif  // CHROMECAST_BASE_METRICS_MOCK_CAST_METRICS_HELPER_H_