Introduce shared_memory_support media target for PPAPI

media/audio/audio_output_controller.cc

Index: media/audio/audio_output_controller.cc
diff --git a/media/audio/audio_output_controller.cc b/media/audio/audio_output_controller.cc
index 60dd28584fe483a11e64e530c5c5c07dff73c476..69b77976df9f737f841262a2182d40b52baca5d3 100644
--- a/media/audio/audio_output_controller.cc
+++ b/media/audio/audio_output_controller.cc
@@ -11,6 +11,7 @@
 #include "base/threading/platform_thread.h"
 #include "base/threading/thread_restrictions.h"
 #include "base/time.h"
+#include "media/audio/shared_memory_util.h"
 
 using base::Time;
 using base::TimeDelta;
@@ -18,9 +19,6 @@ using base::WaitableEvent;
 
 namespace media {
 
-// Signal a pause in low-latency mode.
-const int AudioOutputController::kPauseMark = -1;
-
 // Polling-related constants.
 const int AudioOutputController::kPollNumAttempts = 3;
 const int AudioOutputController::kPollPauseInMilliseconds = 3;