ppapi: define PPB_AudioEncoder API

ppapi/proxy/BUILD.gn

 # Copyright 2015 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.
 
 config("proxy_implementation") {
   defines = [ "PPAPI_PROXY_IMPLEMENTATION" ]
 }
 
 component("proxy") {
   output_name = "ppapi_proxy"
 
   sources = [
     # Take some standalone files from the C++ wrapper allowing us to more
     # easily make async callbacks in the proxy. We can't depend on the
     # full C++ wrappers at this layer since the C++ wrappers expect
     # symbols defining the globals for "being a plugin" which we are not.
     # These callback files are standalone.
     "../cpp/completion_callback.h",
     "../utility/completion_callback_factory.h",
     "audio_buffer_resource.cc",
     "audio_buffer_resource.h",
+    "audio_encoder_resource.cc",
+    "audio_encoder_resource.h",
     "broker_resource.cc",
     "broker_resource.h",
     "camera_capabilities_resource.cc",
     "camera_capabilities_resource.h",
     "camera_device_resource.cc",
     "camera_device_resource.h",
     "compositor_layer_resource.cc",
     "compositor_layer_resource.h",
     "compositor_resource.cc",
     "compositor_resource.h",
@@ skipping 326 matching lines @@
   deps = [
     "//base/test:test_support",
     "//ipc",
     "//ipc:test_support",
     "//ppapi/proxy",
     "//ppapi/shared_impl",
     "//testing/gmock",
     "//testing/gtest",
   ]
 }