Move talk/app/webrtc to webrtc/api

webrtc/api/fakemetricsobserver.h

Index: webrtc/api/fakemetricsobserver.h
diff --git a/webrtc/api/fakemetricsobserver.h b/webrtc/api/fakemetricsobserver.h
new file mode 100644
index 0000000000000000000000000000000000000000..baac0ca8f0f23691f3ae3bffba4552c682d283ab
--- /dev/null
+++ b/webrtc/api/fakemetricsobserver.h
@@ -0,0 +1,51 @@
+/*
+ *  Copyright 2015 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_FAKEMETRICSOBSERVER_H_
+#define WEBRTC_API_FAKEMETRICSOBSERVER_H_
+
+#include <map>
+#include <string>
+
+#include "webrtc/api/peerconnectioninterface.h"
+#include "webrtc/base/thread_checker.h"
+
+namespace webrtc {
+
+class FakeMetricsObserver : public MetricsObserverInterface {
+ public:
+  FakeMetricsObserver();
+  void Reset();
+
+  void IncrementEnumCounter(PeerConnectionEnumCounterType,
+                            int counter,
+                            int counter_max) override;
+  void AddHistogramSample(PeerConnectionMetricsName type,
+                          int value) override;
+
+  // Accessors to be used by the tests.
+  int GetEnumCounter(PeerConnectionEnumCounterType type, int counter) const;
+  int GetHistogramSample(PeerConnectionMetricsName type) const;
+
+ protected:
+  ~FakeMetricsObserver() {}
+
+ private:
+  rtc::ThreadChecker thread_checker_;
+  // The vector contains maps for each counter type. In the map, it's a mapping
+  // from individual counter to its count, such that it's memory efficient when
+  // comes to sparse enum types, like the SSL ciphers in the IANA registry.
+  std::vector<std::map<int, int>> counters_;
+  int histogram_samples_[kPeerConnectionMetricsName_Max];
+};
+
+}  // namespace webrtc
+
+#endif  // WEBRTC_API_FAKEMETRICSOBSERVER_H_