libjingle: Removes all references to talk/sound. The current reference comes...

libjingle: Removes all references to talk/sound. The current reference comes from cl 153321 where it was added under the flag enabled_libjingle_device_manager which is by default set to 0. The comment in that cl says it is to enable using this gyp file in the standalone build. This means that the code was never intended to be built for Chromium.

Since that cl was committed the approach has changed. We are now creating new gyp files in the standalone build, containing parts of libjingle and phasing out libjingle.gyp one piece at a time.

The files removed in this cl are part of (../webrtc's) sound.gyp which is not (and will not be) built in Chromium. The reason it is in webrtc is that libjingle and webrtc are being merged into one project.

BUG=https://code.google.com/p/webrtc/issues/detail?id=3379

Review URL: https://codereview.chromium.org/532293002

Cr-Commit-Position: refs/heads/master@{#293806}

third_party/libjingle/libjingle.gyp

@@ -515,18 +515,6 @@
               'sources': [
                 '<(libjingle_source)/talk/media/devices/devicemanager.cc',
                 '<(libjingle_source)/talk/media/devices/devicemanager.h',
-                '<(libjingle_source)/talk/sound/nullsoundsystem.cc',
-                '<(libjingle_source)/talk/sound/nullsoundsystem.h',
-                '<(libjingle_source)/talk/sound/nullsoundsystemfactory.cc',
-                '<(libjingle_source)/talk/sound/nullsoundsystemfactory.h',
-                '<(libjingle_source)/talk/sound/platformsoundsystem.cc',
-                '<(libjingle_source)/talk/sound/platformsoundsystem.h',
-                '<(libjingle_source)/talk/sound/platformsoundsystemfactory.cc',
-                '<(libjingle_source)/talk/sound/platformsoundsystemfactory.h',
-                '<(libjingle_source)/talk/sound/soundsysteminterface.cc',
-                '<(libjingle_source)/talk/sound/soundsysteminterface.h',
-                '<(libjingle_source)/talk/sound/soundsystemproxy.cc',
-                '<(libjingle_source)/talk/sound/soundsystemproxy.h',
               ],
               'conditions': [
                 ['OS=="win"', {
@@ -545,16 +533,6 @@
                     '<(libjingle_source)/talk/media/devices/linuxdevicemanager.h',
                     '<(libjingle_source)/talk/media/devices/v4llookup.cc',
                     '<(libjingle_source)/talk/media/devices/v4llookup.h',
-                    '<(libjingle_source)/talk/sound/alsasoundsystem.cc',
-                    '<(libjingle_source)/talk/sound/alsasoundsystem.h',
-                    '<(libjingle_source)/talk/sound/alsasymboltable.cc',
-                    '<(libjingle_source)/talk/sound/alsasymboltable.h',
-                    '<(libjingle_source)/talk/sound/linuxsoundsystem.cc',
-                    '<(libjingle_source)/talk/sound/linuxsoundsystem.h',
-                    '<(libjingle_source)/talk/sound/pulseaudiosoundsystem.cc',
-                    '<(libjingle_source)/talk/sound/pulseaudiosoundsystem.h',
-                    '<(libjingle_source)/talk/sound/pulseaudiosymboltable.cc',
-                    '<(libjingle_source)/talk/sound/pulseaudiosymboltable.h',
                   ],
                 }],
                 ['OS=="mac"', {