Removing public access to AudioManager device info interface.

content/browser/renderer_host/media/renderer_audio_output_stream_factory_context_impl_unittest.cc

Index: content/browser/renderer_host/media/renderer_audio_output_stream_factory_context_impl_unittest.cc
diff --git a/content/browser/renderer_host/media/renderer_audio_output_stream_factory_context_impl_unittest.cc b/content/browser/renderer_host/media/renderer_audio_output_stream_factory_context_impl_unittest.cc
index fb9aa48e63203c239f7e17cba8c0de96b60ff1e0..0d1a4d21a22228e2dace999642b449d88d43ba01 100644
--- a/content/browser/renderer_host/media/renderer_audio_output_stream_factory_context_impl_unittest.cc
+++ b/content/browser/renderer_host/media/renderer_audio_output_stream_factory_context_impl_unittest.cc
@@ -115,10 +115,6 @@ class MockAudioManager : public media::AudioManagerBase {
 
   ~MockAudioManager() override { Shutdown(); }
 
-  MOCK_METHOD0(HasAudioOutputDevices, bool());
-  MOCK_METHOD0(HasAudioInputDevices, bool());
-  MOCK_METHOD0(GetName, const char*());
-
   MOCK_METHOD2(MakeLinearOutputStream,
                media::AudioOutputStream*(const media::AudioParameters& params,
                                          const LogCallback& log_callback));
@@ -134,9 +130,16 @@ class MockAudioManager : public media::AudioManagerBase {
                media::AudioInputStream*(const media::AudioParameters& params,
                                         const std::string& device_id,
                                         const LogCallback& log_callback));
-  MOCK_METHOD2(GetPreferredOutputStreamParameters,
-               media::AudioParameters(const std::string& device_id,
-                                      const media::AudioParameters& params));
+
+ protected:
+  MOCK_METHOD0(HasAudioOutputDevices, bool());
+  MOCK_METHOD0(HasAudioInputDevices, bool());
+  MOCK_METHOD0(GetName, const char*());
+  media::AudioParameters GetPreferredOutputStreamParameters(
+      const std::string& device_id,
+      const media::AudioParameters& params) {
+    return GetTestAudioParameters();
+  }
 };
 
 class MockAudioOutputStream : public media::AudioOutputStream,
@@ -345,9 +348,6 @@ TEST_F(RendererAudioOutputStreamFactoryIntegrationTest,
   EXPECT_CALL(*static_cast<MockAudioManager*>(audio_manager_.get()),
               MakeLowLatencyOutputStream(_, "", _))
       .WillOnce(Return(stream));
-  EXPECT_CALL(*static_cast<MockAudioManager*>(audio_manager_.get()),
-              GetPreferredOutputStreamParameters(_, _))
-      .WillRepeatedly(Return(GetTestAudioParameters()));
 
   AudioOutputStreamFactoryPtr factory_ptr;
   BrowserThread::PostTask(