Add native log and uma stat when all input shared memory buffers are full

media/audio/audio_input_controller.h

 // Copyright (c) 2012 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 MEDIA_AUDIO_AUDIO_INPUT_CONTROLLER_H_
 #define MEDIA_AUDIO_AUDIO_INPUT_CONTROLLER_H_
 
 #include <string>
 #include "base/atomicops.h"
 #include "base/callback.h"
@@ skipping 114 matching lines @@
    protected:
     virtual ~EventHandler() {}
   };
 
   // A synchronous writer interface used by AudioInputController for
   // synchronous writing.
   class SyncWriter {
    public:
     virtual ~SyncWriter() {}
 
-    // Notify the synchronous writer about the number of bytes in the
-    // soundcard which has been recorded.
-    virtual void UpdateRecordedBytes(uint32 bytes) = 0;
-
-    // Write certain amount of data from |data|.
+    // Write certain amount of data from |data| and notify the synchronous
+    // writer on the number of bytes in the sound card which has been recorded.

[tommi (sloooow) - chröme, 2014/08/29 09:16:43]

grammar nit: // writer of the number of bytes that have been received from the
sound card.

Is this number cumulative though (as the comment seems to suggest) or does it
represent the size of a single buffer?

[no longer working on chromium, 2014/08/29 11:14:16]

The previous comments are just wrong, I tried correcting it, please take another
look.

     virtual void Write(const AudioBus* data,
                        double volume,
-                       bool key_pressed) = 0;
+                       bool key_pressed,
+                       uint32 bytes) = 0;
 
     // Close this synchronous writer.
     virtual void Close() = 0;
   };
 
   // AudioInputController::Create() can use the currently registered Factory
   // to create the AudioInputController. Factory is intended for testing only.
   // |user_input_monitor| is used for typing detection and can be NULL.
   class Factory {
    public:
@@ skipping 214 matching lines @@
 #endif
 
   size_t prev_key_down_count_;
 
   DISALLOW_COPY_AND_ASSIGN(AudioInputController);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_AUDIO_AUDIO_INPUT_CONTROLLER_H_