16-bit video upload to float: intermediate R16_EXT and copy to float.

content/renderer/media/webmediaplayer_ms.h

 // Copyright 2013 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 CONTENT_RENDERER_MEDIA_WEBMEDIAPLAYER_MS_H_
 #define CONTENT_RENDERER_MEDIA_WEBMEDIAPLAYER_MS_H_
 
 #include <memory>
 #include <string>
 
@@ skipping 146 matching lines @@
                                          unsigned int texture,
                                          unsigned internal_format,
                                          unsigned format,
                                          unsigned type,
                                          bool premultiply_alpha,
                                          bool flip_y) override;
 
   bool TexImageImpl(TexImageFunctionID functionID,
                     unsigned target,
                     gpu::gles2::GLES2Interface* gl,
+                    unsigned int texture,
                     int level,
                     int internalformat,
                     unsigned format,
                     unsigned type,
                     int xoffset,
                     int yoffset,
                     int zoffset,
                     bool flip_y,
                     bool premultiply_alpha) override;
 
@@ skipping 84 matching lines @@
   // True if playback should be started upon the next call to OnShown(). Only
   // used on Android.
   bool should_play_upon_shown_;
 
   DISALLOW_COPY_AND_ASSIGN(WebMediaPlayerMS);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_MEDIA_WEBMEDIAPLAYER_MS_H_