Revert of Fix broken draw/upload paths from videos to 2D canvas and WebGL.

third_party/WebKit/Source/modules/webgl/WebGLRenderingContextBase.h

 /*
  * Copyright (C) 2009 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 1090 matching lines @@
   // read-back to system memory.  Source could be canvas or imageBitmap.
   void TexImageByGPU(TexImageFunctionID,
                      WebGLTexture*,
                      GLenum target,
                      GLint level,
                      GLint xoffset,
                      GLint yoffset,
                      GLint zoffset,
                      CanvasImageSource*,
                      const IntRect& source_sub_rectangle);
-  bool CanUseTexImageByGPU(GLenum format, GLenum type);
+  virtual bool CanUseTexImageByGPU(GLenum type);
 
   virtual WebGLImageConversion::PixelStoreParams GetPackPixelStoreParams();
   virtual WebGLImageConversion::PixelStoreParams GetUnpackPixelStoreParams(
       TexImageDimension);
 
   // Helper function for copyTex{Sub}Image, check whether the internalformat
   // and the color buffer format of the current bound framebuffer combination
   // is valid.
   bool IsTexInternalFormatColorBufferCombinationValid(
       GLenum tex_internal_format,
@@ skipping 548 matching lines @@
                   context,
                   context->Is3d(),
                   context.Is3d());
 
 }  // namespace blink
 
 WTF_ALLOW_MOVE_INIT_AND_COMPARE_WITH_MEM_FUNCTIONS(
     blink::WebGLRenderingContextBase::TextureUnitState);
 
 #endif  // WebGLRenderingContextBase_h