Remove old APIs for copyTextureCHROMIUM(...) and copyVideoTextureToPlatformTexture(...).

public/platform/WebGraphicsContext3D.h

 /*
  * Copyright (C) 2012 Google 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 434 matching lines @@
     virtual void beginQueryEXT(WGC3Denum target, WebGLId query) { }
     virtual void endQueryEXT(WGC3Denum target) { }
     virtual void getQueryivEXT(WGC3Denum target, WGC3Denum pname, WGC3Dint* params) { }
     virtual void getQueryObjectuivEXT(WebGLId query, WGC3Denum pname, WGC3Duint* params) { }
 
     // GL_CHROMIUM_bind_uniform_location
     virtual void bindUniformLocationCHROMIUM(WebGLId program, WGC3Dint location, const WGC3Dchar* uniform) { }
 
     // GL_CHROMIUM_copy_texture
     virtual void copyTextureCHROMIUM(WGC3Denum target, WGC3Duint sourceId,
-                                     WGC3Duint destId, WGC3Dint level, WGC3Denum internalFormat) { }
-    // This function adds one more parameter(destType) than the above one to define the destination texture if needed.
-    // TODO(jun.a.jiang@intel.com): once all clients switch to call this newer function with six parameters, the older
-    // one with five parameters would be removed.
-    virtual void copyTextureCHROMIUM(WGC3Denum target, WGC3Duint sourceId,
         WGC3Duint destId, WGC3Dint level, WGC3Denum internalFormat, WGC3Denum destType) { }
 
     // GL_CHROMIUM_shallow_flush
     virtual void shallowFlushCHROMIUM() { }
 
     // GL_CHROMIUM_texture_mailbox
     virtual void genMailboxCHROMIUM(WGC3Dbyte* mailbox) { }
     virtual void produceTextureCHROMIUM(WGC3Denum target, const WGC3Dbyte* mailbox) { }
     virtual void consumeTextureCHROMIUM(WGC3Denum target, const WGC3Dbyte* mailbox) { }
 
@@ skipping 35 matching lines @@
     virtual void unmapImageCHROMIUM(WGC3Duint imageId) { }
 
 protected:
     virtual GrGLInterface* onCreateGrGLInterface() { return 0; }
 
 };
 
 } // namespace WebKit
 
 #endif