Link things together and enable the device selection for linux and mac.

media/audio/audio_input_unittest.cc

Index: media/audio/audio_input_unittest.cc
diff --git a/media/audio/audio_input_unittest.cc b/media/audio/audio_input_unittest.cc
index 914aa4c3cf52b88d18b066fdf2f4daf23c4e720f..57b0a0cea717254b690901497461e3a4f175c8d3 100644
--- a/media/audio/audio_input_unittest.cc
+++ b/media/audio/audio_input_unittest.cc
@@ -103,7 +103,7 @@ static AudioInputStream* CreateTestAudioInputStream() {
   AudioManager* audio_man = AudioManager::GetAudioManager();
   AudioInputStream* ais = audio_man->MakeAudioInputStream(
       AudioParameters(AudioParameters::AUDIO_PCM_LINEAR, CHANNEL_LAYOUT_STEREO,
-                      kSamplingRate, 16, kSamplesPerPacket));
+                      kSamplingRate, 16, kSamplesPerPacket), "");
   EXPECT_TRUE(NULL != ais);
   return ais;
 }
@@ -116,27 +116,27 @@ TEST(AudioInputTest, SanityOnMakeParams) {
   AudioParameters::Format fmt = AudioParameters::AUDIO_PCM_LINEAR;
   EXPECT_TRUE(NULL == audio_man->MakeAudioInputStream(
       AudioParameters(fmt, CHANNEL_LAYOUT_7POINT1, 8000, 16,
-                      kSamplesPerPacket)));
+                      kSamplesPerPacket), ""));
   EXPECT_TRUE(NULL == audio_man->MakeAudioInputStream(
       AudioParameters(fmt, CHANNEL_LAYOUT_MONO, 1024 * 1024, 16,
-                      kSamplesPerPacket)));
+                      kSamplesPerPacket), ""));
   EXPECT_TRUE(NULL == audio_man->MakeAudioInputStream(
       AudioParameters(fmt, CHANNEL_LAYOUT_STEREO, 8000, 80,
-                      kSamplesPerPacket)));
+                      kSamplesPerPacket), ""));
   EXPECT_TRUE(NULL == audio_man->MakeAudioInputStream(
       AudioParameters(fmt, CHANNEL_LAYOUT_STEREO, 8000, 80,
-                      1000 * kSamplesPerPacket)));
+                      1000 * kSamplesPerPacket), ""));
   EXPECT_TRUE(NULL == audio_man->MakeAudioInputStream(
       AudioParameters(fmt, CHANNEL_LAYOUT_UNSUPPORTED, 8000, 16,
-                      kSamplesPerPacket)));
+                      kSamplesPerPacket), ""));
   EXPECT_TRUE(NULL == audio_man->MakeAudioInputStream(
       AudioParameters(fmt, CHANNEL_LAYOUT_STEREO, -8000, 16,
-                      kSamplesPerPacket)));
+                      kSamplesPerPacket), ""));
   EXPECT_TRUE(NULL == audio_man->MakeAudioInputStream(
       AudioParameters(fmt, CHANNEL_LAYOUT_STEREO, 8000, -16,
-                      kSamplesPerPacket)));
+                      kSamplesPerPacket), ""));
   EXPECT_TRUE(NULL == audio_man->MakeAudioInputStream(
-      AudioParameters(fmt, CHANNEL_LAYOUT_STEREO, 8000, 16, -1024)));
+      AudioParameters(fmt, CHANNEL_LAYOUT_STEREO, 8000, 16, -1024), ""));
 }
 
 // Test create and close of an AudioInputStream without recording audio.