Adding speech synthesis library to access TTS feature in libcros.

chrome/browser/chromeos/cros/mock_speech_synthesis_library.h

Index: chrome/browser/chromeos/cros/mock_speech_synthesis_library.h
diff --git a/chrome/browser/chromeos/cros/mock_speech_synthesis_library.h b/chrome/browser/chromeos/cros/mock_speech_synthesis_library.h
new file mode 100644
index 0000000000000000000000000000000000000000..f40b9e764c59aff9bdfc181fe7e5e878990fa5d2
--- /dev/null
+++ b/chrome/browser/chromeos/cros/mock_speech_synthesis_library.h
@@ -0,0 +1,25 @@
+// Copyright (c) 2010 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 CHROME_BROWSER_CHROMEOS_CROS_MOCK_SPEECH_SYNTHESIS_LIBRARY_H_
+#define CHROME_BROWSER_CHROMEOS_CROS_MOCK_SPEECH_SYNTHESIS_LIBRARY_H_
+
+#include "chrome/browser/chromeos/cros/speech_synthesis_library.h"
+#include "testing/gmock/include/gmock/gmock.h"
+
+namespace chromeos {
+
+class MockSpeechSynthesisLibrary : public SpeechSynthesisLibrary {
+ public:
+  MockSpeechSynthesisLibrary() {}
+  virtual ~MockSpeechSynthesisLibrary() {}
+  MOCK_METHOD1(Speak, bool(const char*));
+  MOCK_METHOD1(SetSpeakProperties, bool(const char*));
+  MOCK_METHOD0(StopSpeaking, bool(void));
+  MOCK_METHOD0(IsSpeaking, bool(void));
+};
+
+}  // namespace chromeos
+
+#endif  // CHROME_BROWSER_CHROMEOS_CROS_MOCK_SPEECH_SYNTHESIS_LIBRARY_H_