Rewrite PPB_AudioInput_Dev to use the new-style host/resource.

ppapi/ppapi_proxy.gypi

Index: ppapi/ppapi_proxy.gypi
diff --git a/ppapi/ppapi_proxy.gypi b/ppapi/ppapi_proxy.gypi
index 5cb4a8606289e713e4b7de1a8f331704bde855f0..10ab920072f2a34fb7651cb7907309d7f461ffa6 100644
--- a/ppapi/ppapi_proxy.gypi
+++ b/ppapi/ppapi_proxy.gypi
@@ -19,6 +19,8 @@
           'cpp/completion_callback.h',
           'utility/completion_callback_factory.h',
 
+          'proxy/audio_input_resource.cc',
+          'proxy/audio_input_resource.h',
           'proxy/broker_dispatcher.cc',
           'proxy/broker_dispatcher.h',
           'proxy/connection.h',
@@ -63,8 +65,6 @@
           'proxy/ppapi_command_buffer_proxy.h',
           'proxy/ppapi_command_buffer_proxy.cc',
           'proxy/ppapi_message_utils.h',
-          'proxy/ppb_audio_input_proxy.cc',
-          'proxy/ppb_audio_input_proxy.h',
           'proxy/ppb_audio_proxy.cc',
           'proxy/ppb_audio_proxy.h',
           'proxy/ppb_broker_proxy.cc',
@@ -173,11 +173,11 @@
         'target_conditions': [
           ['>(nacl_untrusted_build)==1', {
             'sources!': [
+              'proxy/audio_input_resource.cc',
               'proxy/broker_dispatcher.cc',
               'proxy/flash_device_id_resource.cc',
               'proxy/flash_font_file_resource.cc',
               'proxy/flash_resource.cc',
-              'proxy/ppb_audio_input_proxy.cc',
               'proxy/ppb_broker_proxy.cc',
               'proxy/ppb_buffer_proxy.cc',
               'proxy/ppb_file_chooser_proxy.cc',