Enable pulse as the default IO handling in Chrome

media/media.gyp

 # 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.
 
 {
   'variables': {
     'chromium_code': 1,
-    # Override to dynamically link the PulseAudio library.
-    'use_pulseaudio%': 0,
     # Override to dynamically link the cras (ChromeOS audio) library.
     'use_cras%': 0,
     'conditions': [
       ['OS == "android" or OS == "ios"', {
         # Android and iOS don't use ffmpeg.
         'media_use_ffmpeg%': 0,
         # Android and iOS don't use libvpx.
         'media_use_libvpx%': 0,
       }, {  # 'OS != "android" and OS != "ios"'
         'media_use_ffmpeg%': 1,
@@ skipping 613 matching lines @@
         ['OS!="linux"', {
           'sources!': [
             'audio/cras/audio_manager_cras.cc',
             'audio/cras/audio_manager_cras.h',
             'audio/cras/cras_input.cc',
             'audio/cras/cras_input.h',
             'audio/cras/cras_output.cc',
             'audio/cras/cras_output.h',
           ],
         }],
-        ['os_posix == 1', {
-          'conditions': [
-            ['use_pulseaudio == 1', {
-              'cflags': [
-                '<!@(pkg-config --cflags libpulse)',
+        ['os_posix == 1 and OS != "mac" and OS != "ios" and OS != "android"', {
+          'variables': {
+            'generate_stubs_script': '../tools/generate_stubs/generate_stubs.py',
+            'extra_header': 'audio/pulse/pulse_stub_header.fragment',
+            'sig_files': ['audio/pulse/pulse.sigs'],
+            'outfile_type': 'posix_stubs',
+            'stubs_filename_root': 'pulse_stubs',
+            'project_path': 'media/audio/pulse',
+            'intermediate_dir': '<(INTERMEDIATE_DIR)',
+            'output_root': '<(SHARED_INTERMEDIATE_DIR)/pulse',
+          },
+          'sources': [
+            '<(extra_header)',
+          ],
+          'include_dirs': [
+            '<(output_root)',
+          ],
+          'actions': [
+            {
+              'action_name': 'generate_stubs',
+              'inputs': [
+                '<(generate_stubs_script)',
+                '<(extra_header)',
+                '<@(sig_files)',
               ],
-              'defines': [
-                'USE_PULSEAUDIO',
+              'outputs': [
+                '<(intermediate_dir)/<(stubs_filename_root).cc',
+                '<(output_root)/<(project_path)/<(stubs_filename_root).h',
               ],
-              'variables': {
-                'generate_stubs_script': '../tools/generate_stubs/generate_stubs.py',
-                'extra_header': 'audio/pulse/pulse_stub_header.fragment',
-                'sig_files': ['audio/pulse/pulse.sigs'],
-                'outfile_type': 'posix_stubs',
-                'stubs_filename_root': 'pulse_stubs',
-                'project_path': 'media/audio/pulse',
-                'intermediate_dir': '<(INTERMEDIATE_DIR)',
-                'output_root': '<(SHARED_INTERMEDIATE_DIR)/pulse',
+              'action': ['python',
+                         '<(generate_stubs_script)',
+                         '-i', '<(intermediate_dir)',
+                         '-o', '<(output_root)/<(project_path)',
+                         '-t', '<(outfile_type)',
+                         '-e', '<(extra_header)',
+                         '-s', '<(stubs_filename_root)',
+                         '-p', '<(project_path)',
+                         '<@(_inputs)',
+              ],
+              'process_outputs_as_sources': 1,
+              'message': 'Generating Pulse stubs for dynamic loading.',
+            },
+          ],
+          'conditions': [ 
+            # Linux/Solaris need libdl for dlopen() and friends.
+            ['OS == "linux" or OS == "solaris"', {
+              'link_settings': {
+                'libraries': [
+                  '-ldl',
+                ],
               },
-              'sources': [
-                '<(extra_header)',
-              ],
-              'include_dirs': [
-                '<(output_root)',
-               ],
-              'actions': [
-                {
-                  'action_name': 'generate_stubs',
-                  'inputs': [
-                    '<(generate_stubs_script)',
-                    '<(extra_header)',
-                    '<@(sig_files)',
-                  ],
-                  'outputs': [
-                    '<(intermediate_dir)/<(stubs_filename_root).cc',
-                    '<(output_root)/<(project_path)/<(stubs_filename_root).h',
-                  ],
-                  'action': ['python',
-                             '<(generate_stubs_script)',
-                             '-i', '<(intermediate_dir)',
-                             '-o', '<(output_root)/<(project_path)',
-                             '-t', '<(outfile_type)',
-                             '-e', '<(extra_header)',
-                             '-s', '<(stubs_filename_root)',
-                             '-p', '<(project_path)',
-                             '<@(_inputs)',
-                  ],
-                  'process_outputs_as_sources': 1,
-                  'message': 'Generating Pulse stubs for dynamic loading.',
-                },
-              ],
-              'conditions': [
-                # Linux/Solaris need libdl for dlopen() and friends.
-                ['OS == "linux" or OS == "solaris"', {
-                  'link_settings': {
-                    'libraries': [
-                      '-ldl',
-                    ],
-                  },
-                }],
-              ],
-            }, {  # else: use_pulseaudio == 0
-              'sources!': [
-                'audio/pulse/audio_manager_pulse.cc',
-                'audio/pulse/audio_manager_pulse.h',
-                'audio/pulse/pulse_input.cc',
-                'audio/pulse/pulse_input.h',
-                'audio/pulse/pulse_output.cc',
-                'audio/pulse/pulse_output.h',
-                'audio/pulse/pulse_util.cc',
-                'audio/pulse/pulse_util.h',
-              ],
             }],
           ],
+        }, {  # else: OS=="win or OS == "mac" or OS == "ios" or OS == "android"
+          'sources!': [
+            'audio/pulse/audio_manager_pulse.cc',
+            'audio/pulse/audio_manager_pulse.h',
+            'audio/pulse/pulse_input.cc',
+            'audio/pulse/pulse_input.h',
+            'audio/pulse/pulse_output.cc',
+            'audio/pulse/pulse_output.h',
+            'audio/pulse/pulse_util.cc',
+            'audio/pulse/pulse_util.h',
+          ],
+        }],
+        ['os_posix == 1', {
           'sources!': [
             'video/capture/video_capture_device_dummy.cc',
             'video/capture/video_capture_device_dummy.h',
           ],
         }],
         ['OS=="mac"', {
           'link_settings': {
             'libraries': [
               '$(SDKROOT)/System/Library/Frameworks/AudioToolbox.framework',
               '$(SDKROOT)/System/Library/Frameworks/AudioUnit.framework',
               '$(SDKROOT)/System/Library/Frameworks/CoreAudio.framework',
               '$(SDKROOT)/System/Library/Frameworks/CoreVideo.framework',
               '$(SDKROOT)/System/Library/Frameworks/OpenGL.framework',
               '$(SDKROOT)/System/Library/Frameworks/QTKit.framework',
             ],
           },
         }],
         ['OS=="win"', {
           'sources!': [
-            'audio/pulse/audio_manager_pulse.cc',
-            'audio/pulse/audio_manager_pulse.h',
-            'audio/pulse/pulse_input.cc',
-            'audio/pulse/pulse_input.h',
-            'audio/pulse/pulse_output.cc',
-            'audio/pulse/pulse_output.h',
-            'audio/pulse/pulse_util.cc',
-            'audio/pulse/pulse_util.h',
             'video/capture/video_capture_device_dummy.cc',
             'video/capture/video_capture_device_dummy.h',
           ],
           'link_settings':  {
             'libraries': [
               '-lmf.lib',
               '-lmfplat.lib',
               '-lmfreadwrite.lib',
               '-lmfuuid.lib',
             ],
@@ skipping 877 matching lines @@
           ],
           'sources': [
             'base/simd/sinc_resampler_sse.cc',
             'base/simd/vector_math_sse.cc',
           ],
         }, # end of target media_sse
       ],
     }],
   ],
 }