Re-land r92885, which was reverted in r92891.

ppapi/proxy/interface_id.h

 // Copyright (c) 2011 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.
 
 #ifndef PPAPI_PROXY_INTERFACE_ID_H_
 #define PPAPI_PROXY_INTERFACE_ID_H_
 
 namespace pp {
 namespace proxy {
 
@@ skipping 18 matching lines @@
   INTERFACE_ID_PPB_FIND,
   INTERFACE_ID_PPB_FLASH,
   INTERFACE_ID_PPB_FLASH_CLIPBOARD,
   INTERFACE_ID_PPB_FLASH_FILE_FILEREF,
   INTERFACE_ID_PPB_FLASH_FILE_MODULELOCAL,
   INTERFACE_ID_PPB_FLASH_MENU,
   INTERFACE_ID_PPB_FLASH_NETCONNECTOR,
   INTERFACE_ID_PPB_FLASH_TCPSOCKET,
   INTERFACE_ID_PPB_FONT,
   INTERFACE_ID_PPB_GRAPHICS_2D,
+  INTERFACE_ID_PPB_GRAPHICS_3D,
   INTERFACE_ID_PPB_IMAGE_DATA,
   INTERFACE_ID_PPB_INSTANCE,
   INTERFACE_ID_PPB_INSTANCE_PRIVATE,
   INTERFACE_ID_PPB_MEMORY,
   INTERFACE_ID_PPB_OPENGLES2,
   INTERFACE_ID_PPB_PDF,
   INTERFACE_ID_PPB_SURFACE_3D,
   INTERFACE_ID_PPB_TESTING,
   INTERFACE_ID_PPB_URL_LOADER,
   INTERFACE_ID_PPB_URL_REQUEST_INFO,
@@ skipping 13 matching lines @@
   INTERFACE_ID_RESOURCE_CREATION,
 
   // Must be last to indicate the number of interface IDs.
   INTERFACE_ID_COUNT
 };
 
 }  // namespace proxy
 }  // namespace pp
 
 #endif  // PPAPI_PROXY_INTERFACE_ID_H_