Support audio output device enumeration and selection in PPAPI

ppapi/proxy/interface_list.cc

 // 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.
 
 #include "ppapi/proxy/interface_list.h"
 
 #include <stdint.h>
 
 #include "base/hash.h"
 #include "base/lazy_instance.h"
 #include "base/memory/ptr_util.h"
 #include "base/memory/singleton.h"
 #include "build/build_config.h"
 #include "ppapi/c/dev/ppb_audio_input_dev.h"
+#include "ppapi/c/dev/ppb_audio_output_dev.h"
 #include "ppapi/c/dev/ppb_buffer_dev.h"
 #include "ppapi/c/dev/ppb_char_set_dev.h"
 #include "ppapi/c/dev/ppb_crypto_dev.h"
 #include "ppapi/c/dev/ppb_cursor_control_dev.h"
 #include "ppapi/c/dev/ppb_device_ref_dev.h"
 #include "ppapi/c/dev/ppb_gles_chromium_texture_mapping_dev.h"
 #include "ppapi/c/dev/ppb_ime_input_event_dev.h"
 #include "ppapi/c/dev/ppb_memory_dev.h"
 #include "ppapi/c/dev/ppb_opengles2ext_dev.h"
 #include "ppapi/c/dev/ppb_printing_dev.h"
@@ skipping 385 matching lines @@
 
 int InterfaceList::HashInterfaceName(const std::string& name) {
   uint32_t data = base::Hash(name.c_str(), name.size());
   // Strip off the signed bit because UMA doesn't support negative values,
   // but takes a signed int as input.
   return static_cast<int>(data & 0x7fffffff);
 }
 
 }  // namespace proxy
 }  // namespace ppapi