ppapi: implement PPB_AudioEncoder

content/content_renderer.gypi

Index: content/content_renderer.gypi
diff --git a/content/content_renderer.gypi b/content/content_renderer.gypi
index 027e43a1d4de23ad52dd9be43dc4e5f8ef9a033c..b595ecbf5db94f1e7ca3846754a06b7a28bb304d 100644
--- a/content/content_renderer.gypi
+++ b/content/content_renderer.gypi
@@ -436,6 +436,8 @@
       'renderer/npapi/webplugin_delegate_proxy.h',
       'renderer/npapi/webplugin_impl.cc',
       'renderer/npapi/webplugin_impl.h',
+      'renderer/pepper/audio_encoder_shim.cc',
+      'renderer/pepper/audio_encoder_shim.h',
       'renderer/pepper/audio_helper.cc',
       'renderer/pepper/audio_helper.h',
       'renderer/pepper/content_decryptor_delegate.cc',
@@ -458,6 +460,8 @@
       'renderer/pepper/host_var_tracker.h',
       'renderer/pepper/message_channel.cc',
       'renderer/pepper/message_channel.h',
+      'renderer/pepper/pepper_audio_encoder_host.cc',
+      'renderer/pepper/pepper_audio_encoder_host.h',
       'renderer/pepper/pepper_audio_input_host.cc',
       'renderer/pepper/pepper_audio_input_host.h',
       'renderer/pepper/pepper_broker.cc',
@@ -806,6 +810,8 @@
         '../ppapi/ppapi_internal.gyp:ppapi_proxy',
         '../ppapi/ppapi_internal.gyp:ppapi_shared',
         '../third_party/libyuv/libyuv.gyp:libyuv',
+        '../third_party/opus/opus.gyp:opus',
+        '../third_party/speex/speex.gyp:libspeex',
       ],
     }, {  # enable_plugins==0
       'sources!': [