Switch Speech Recognition to asynchronous callback-based AudioManager interactions.

media/audio/mock_audio_manager.cc

Index: media/audio/mock_audio_manager.cc
diff --git a/media/audio/mock_audio_manager.cc b/media/audio/mock_audio_manager.cc
index 6d1584595bbfd63801633d2961a685d090dc4038..34a45bf83705ecca5f7d44aeee74a62b4a965125 100644
--- a/media/audio/mock_audio_manager.cc
+++ b/media/audio/mock_audio_manager.cc
@@ -18,14 +18,17 @@ MockAudioManager::~MockAudioManager() {
 }
 
 bool MockAudioManager::HasAudioOutputDevices() {
+  DCHECK(GetTaskRunner()->BelongsToCurrentThread());
   return true;
 }
 
 bool MockAudioManager::HasAudioInputDevices() {
-  return true;
+  DCHECK(GetTaskRunner()->BelongsToCurrentThread());
+  return has_input_devices_;
 }
 
 base::string16 MockAudioManager::GetAudioInputDeviceModel() {
+  DCHECK(GetTaskRunner()->BelongsToCurrentThread());
   return base::string16();
 }
 
@@ -33,10 +36,14 @@ void MockAudioManager::ShowAudioInputSettings() {
 }
 
 void MockAudioManager::GetAudioInputDeviceDescriptions(
-    AudioDeviceDescriptions* device_descriptions) {}
+    AudioDeviceDescriptions* device_descriptions) {
+  DCHECK(GetTaskRunner()->BelongsToCurrentThread());
+}
 
 void MockAudioManager::GetAudioOutputDeviceDescriptions(
-    AudioDeviceDescriptions* device_descriptions) {}
+    AudioDeviceDescriptions* device_descriptions) {
+  DCHECK(GetTaskRunner()->BelongsToCurrentThread());
+}
 
 media::AudioOutputStream* MockAudioManager::MakeAudioOutputStream(
     const media::AudioParameters& params,
@@ -75,16 +82,19 @@ AudioParameters MockAudioManager::GetDefaultOutputStreamParameters() {
 
 AudioParameters MockAudioManager::GetOutputStreamParameters(
       const std::string& device_id) {
+  DCHECK(GetTaskRunner()->BelongsToCurrentThread());
   return AudioParameters();
 }
 
 AudioParameters MockAudioManager::GetInputStreamParameters(
     const std::string& device_id) {
-  return AudioParameters();
+  DCHECK(GetTaskRunner()->BelongsToCurrentThread());
+  return input_params_;
 }
 
 std::string MockAudioManager::GetAssociatedOutputDeviceID(
     const std::string& input_device_id) {
+  DCHECK(GetTaskRunner()->BelongsToCurrentThread());
   return std::string();
 }
 
@@ -97,4 +107,13 @@ const char* MockAudioManager::GetName() {
   return nullptr;
 }
 
+void MockAudioManager::SetInputStreamParameters(
+    const AudioParameters& input_params) {
+  input_params_ = input_params;
+}
+
+void MockAudioManager::SetHasInputDevices(bool has_input_devices) {
+  has_input_devices_ = has_input_devices;
+}
+
 }  // namespace media.