Upgrade Tex{Sub}Image{2|3}D to handle ES3 unpack parameters.

gpu/command_buffer/common/gles2_cmd_utils.cc

 // 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.
 
 // This file is here so other GLES2 related files can have a common set of
 // includes where appropriate.
 
 #include <sstream>
 #include <GLES2/gl2.h>
 #include <GLES2/gl2ext.h>
@@ skipping 777 matching lines @@
       return 8;
     case GL_FLOAT_MAT3x4:
     case GL_FLOAT_MAT4x3:
       return 12;
 
     default:
       return 0;
   }
 }
 
+size_t GLES2Util::GetGLTypeSizeForTextures(uint32_t type) {
+  return static_cast<size_t>(BytesPerElement(type));
+}
+
 size_t GLES2Util::GetGLTypeSizeForBuffers(uint32_t type) {
   switch (type) {
     case GL_BYTE:
       return sizeof(GLbyte);  // NOLINT
     case GL_UNSIGNED_BYTE:
       return sizeof(GLubyte);  // NOLINT
     case GL_SHORT:
       return sizeof(GLshort);  // NOLINT
     case GL_UNSIGNED_SHORT:
       return sizeof(GLushort);  // NOLINT
@@ skipping 721 matching lines @@
   }
 
   return true;
 }
 
 #include "gpu/command_buffer/common/gles2_cmd_utils_implementation_autogen.h"
 
 }  // namespace gles2
 }  // namespace gpu