Revert 152406 - Introduce shared_memory_support media target for PPAPI.

media/base/channel_layout.cc

 // 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.
 
 #include "media/base/channel_layout.h"
 
 static const int kLayoutToChannels[] = {
     0,   // CHANNEL_LAYOUT_NONE
     0,   // CHANNEL_LAYOUT_UNSUPPORTED
     1,   // CHANNEL_LAYOUT_MONO
     2,   // CHANNEL_LAYOUT_STEREO
     3,   // CHANNEL_LAYOUT_2_1
     3,   // CHANNEL_LAYOUT_SURROUND
     4,   // CHANNEL_LAYOUT_4POINT0
     4,   // CHANNEL_LAYOUT_2_2
     4,   // CHANNEL_LAYOUT_QUAD
     5,   // CHANNEL_LAYOUT_5POINT0
     6,   // CHANNEL_LAYOUT_5POINT1
     5,   // CHANNEL_LAYOUT_5POINT0_BACK
     6,   // CHANNEL_LAYOUT_5POINT1_BACK
     7,   // CHANNEL_LAYOUT_7POINT0
     8,   // CHANNEL_LAYOUT_7POINT1
     8,   // CHANNEL_LAYOUT_7POINT1_WIDE
     2};  // CHANNEL_LAYOUT_STEREO_DOWNMIX
 
+#if defined(OS_MACOSX) || defined(USE_PULSEAUDIO)
 const int kChannelOrderings[CHANNEL_LAYOUT_MAX][CHANNELS_MAX] = {
   // FL | FR | FC | LFE | BL | BR | FLofC | FRofC | BC | SL | SR | StL | StR
 
   // CHANNEL_LAYOUT_NONE
   {  -1 , -1 , -1 , -1  , -1 , -1 , -1    , -1    , -1 , -1 , -1 , -1  , -1 },
 
   // CHANNEL_LAYOUT_UNSUPPORTED
   {  -1 , -1 , -1 , -1  , -1 , -1 , -1    , -1    , -1 , -1 , -1 , -1  , -1 },
 
   // CHANNEL_LAYOUT_MONO
@@ skipping 36 matching lines @@
   {  0  , 1  , 2  , 3   , 6  , 7  , -1    , -1    , -1 , 4  , 5  , -1  , -1 },
 
   // CHANNEL_LAYOUT_7POINT1_WIDE
   {  0  , 1  , 2  , 3   , 4  , 5  , 6     , 7     , -1 , -1 , -1 , -1  , -1 },
 
   // CHANNEL_LAYOUT_STEREO_DOWNMIX
   {  -1 , -1 , -1 , -1  , -1 , -1 , -1    , -1    , -1 , -1 , -1 , 0   , 1  },
 
   // FL | FR | FC | LFE | BL | BR | FLofC | FRofC | BC | SL | SR | StL | StR
   };
+#endif
 
 int ChannelLayoutToChannelCount(ChannelLayout layout) {
   return kLayoutToChannels[layout];
 }