Pepper: Add External_OES texture target to PPB_VideoDecoder docs and example.

ppapi/c/pp_codecs.h

 /* Copyright (c) 2014 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.
  */
 
-/* From pp_codecs.idl modified Tue Jun 10 13:32:45 2014. */
+/* From pp_codecs.idl modified Mon Jun 30 14:36:36 2014. */
 
 #ifndef PPAPI_C_PP_CODECS_H_
 #define PPAPI_C_PP_CODECS_H_
 
 #include "ppapi/c/pp_macros.h"
 #include "ppapi/c/pp_size.h"
 #include "ppapi/c/pp_stdint.h"
 
 /**
  * @file
@@ skipping 40 matching lines @@
    * See the PPB_VideoDecoder function Decode() for more details.
    */
   uint32_t decode_id;
   /**
    * Texture ID in the plugin's GL context. The plugin can use this to render
    * the decoded picture.
    */
   uint32_t texture_id;
   /**
    * The GL texture target for the decoded picture. Possible values are:
-   *   GL_TEXTURE_2D                 (normalized texture coordinates)
-   *   GL_TEXTURE_RECTANGLE_ARB      (dimension dependent texture coordinates)
+   *   GL_TEXTURE_2D
+   *   GL_TEXTURE_RECTANGLE_ARB
+   *   GL_TEXTURE_EXTERNAL_OES
    *
    * The pixel format of the texture is GL_RGBA.
    */
   uint32_t texture_target;
   /**
    * Dimensions of the texture holding the decoded picture.
    */
   struct PP_Size texture_size;
 };
 /**
  * @}
  */
 
 #endif  /* PPAPI_C_PP_CODECS_H_ */