Fix the size of video textures uploaded to WebGL.

media/renderers/skcanvas_video_renderer.h

 // 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.
 
 #ifndef MEDIA_RENDERERS_SKCANVAS_VIDEO_RENDERER_H_
 #define MEDIA_RENDERERS_SKCANVAS_VIDEO_RENDERER_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 47 matching lines @@
   // Convert the contents of |video_frame| to raw RGB pixels. |rgb_pixels|
   // should point into a buffer large enough to hold as many 32 bit RGBA pixels
   // as are in the visible_rect() area of the frame.
   static void ConvertVideoFrameToRGBPixels(const media::VideoFrame* video_frame,
                                            void* rgb_pixels,
                                            size_t row_bytes);
 
   // Copy the contents of texture of |video_frame| to texture |texture|.
   // |level|, |internal_format|, |type| specify target texture |texture|.
   // The format of |video_frame| must be VideoFrame::NATIVE_TEXTURE.
+  // Assumes |texture| has already been allocated with the appropriate
+  // size and a compatible format, internal format and type; this is
+  // effectively a "TexSubImage" operation.
   static void CopyVideoFrameSingleTextureToGLTexture(
       gpu::gles2::GLES2Interface* gl,
       VideoFrame* video_frame,
       unsigned int texture,
-      unsigned int internal_format,
-      unsigned int type,
       bool premultiply_alpha,
       bool flip_y);
 
   // Copy the contents of texture of |video_frame| to texture |texture| in
   // context |destination_gl|.
   // |level|, |internal_format|, |type| specify target texture |texture|.
   // The format of |video_frame| must be VideoFrame::NATIVE_TEXTURE.
   // |context_3d| has a GrContext that may be used during the copy.
+  // Assumes |texture| has already been allocated with the appropriate
+  // size and a compatible format, internal format and type; this is
+  // effectively a "TexSubImage" operation.
   // Returns true on success.
   bool CopyVideoFrameTexturesToGLTexture(
       const Context3D& context_3d,
       gpu::gles2::GLES2Interface* destination_gl,
       const scoped_refptr<VideoFrame>& video_frame,
       unsigned int texture,
-      unsigned int internal_format,
-      unsigned int type,
       bool premultiply_alpha,
       bool flip_y);
 
   // Converts unsigned 16-bit value to target |format| for Y16 format and
   // calls WebGL texImage2D.
   // |level|, |internal_format|, |format|, |type| are WebGL texImage2D
   // parameters.
   // Returns false if there is no implementation for given parameters.
   static bool TexImage2D(unsigned target,
                          gpu::gles2::GLES2Interface* gl,
@@ skipping 50 matching lines @@
 
   // Used for unit test.
   SkISize last_image_dimensions_for_testing_;
 
   DISALLOW_COPY_AND_ASSIGN(SkCanvasVideoRenderer);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_RENDERERS_SKCANVAS_VIDEO_RENDERER_H_