Revert of Update the passthrough command decoder to use the new CHROMIUM_copy_texture.

ui/gl/gl_bindings_autogen_mock.cc

 // Copyright 2016 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 auto-generated from
 // ui/gl/generate_bindings.py
 // It's formatted by clang-format using chromium coding style:
 //    clang-format -i -style=chromium filename
 // DO NOT EDIT!
 
@@ skipping 504 matching lines @@
                                           GLintptr readOffset,
                                           GLintptr writeOffset,
                                           GLsizeiptr size) {
   MakeFunctionUnique("glCopyBufferSubData");
   interface_->CopyBufferSubData(readTarget, writeTarget, readOffset,
                                 writeOffset, size);
 }
 
 void GL_BINDING_CALL MockGLInterface::Mock_glCopySubTextureCHROMIUM(
     GLuint sourceId,
-    GLint sourceLevel,
-    GLenum destTarget,
     GLuint destId,
-    GLint destLevel,
     GLint xoffset,
     GLint yoffset,
     GLint x,
     GLint y,
     GLsizei width,
     GLsizei height,
     GLboolean unpackFlipY,
     GLboolean unpackPremultiplyAlpha,
     GLboolean unpackUnmultiplyAlpha) {
   MakeFunctionUnique("glCopySubTextureCHROMIUM");
   interface_->CopySubTextureCHROMIUM(
-      sourceId, sourceLevel, destTarget, destId, destLevel, xoffset, yoffset, x,
-      y, width, height, unpackFlipY, unpackPremultiplyAlpha,
-      unpackUnmultiplyAlpha);
+      sourceId, destId, xoffset, yoffset, x, y, width, height, unpackFlipY,
+      unpackPremultiplyAlpha, unpackUnmultiplyAlpha);
 }
 
 void GL_BINDING_CALL
 MockGLInterface::Mock_glCopyTexImage2D(GLenum target,
                                        GLint level,
                                        GLenum internalformat,
                                        GLint x,
                                        GLint y,
                                        GLsizei width,
                                        GLsizei height,
@@ skipping 25 matching lines @@
                                                                GLint y,
                                                                GLsizei width,
                                                                GLsizei height) {
   MakeFunctionUnique("glCopyTexSubImage3D");
   interface_->CopyTexSubImage3D(target, level, xoffset, yoffset, zoffset, x, y,
                                 width, height);
 }
 
 void GL_BINDING_CALL
 MockGLInterface::Mock_glCopyTextureCHROMIUM(GLuint sourceId,
-                                            GLint sourceLevel,
-                                            GLenum destTarget,
                                             GLuint destId,
-                                            GLint destLevel,
                                             GLint internalFormat,
                                             GLenum destType,
                                             GLboolean unpackFlipY,
                                             GLboolean unpackPremultiplyAlpha,
                                             GLboolean unpackUnmultiplyAlpha) {
   MakeFunctionUnique("glCopyTextureCHROMIUM");
-  interface_->CopyTextureCHROMIUM(
-      sourceId, sourceLevel, destTarget, destId, destLevel, internalFormat,
-      destType, unpackFlipY, unpackPremultiplyAlpha, unpackUnmultiplyAlpha);
+  interface_->CopyTextureCHROMIUM(sourceId, destId, internalFormat, destType,
+                                  unpackFlipY, unpackPremultiplyAlpha,
+                                  unpackUnmultiplyAlpha);
 }
 
 void GL_BINDING_CALL MockGLInterface::Mock_glCoverFillPathInstancedNV(
     GLsizei numPaths,
     GLenum pathNameType,
     const void* paths,
     GLuint pathBase,
     GLenum coverMode,
     GLenum transformType,
     const GLfloat* transformValues) {
@@ skipping 4366 matching lines @@
   if (strcmp(name, "glVertexAttribPointer") == 0)
     return reinterpret_cast<GLFunctionPointerType>(Mock_glVertexAttribPointer);
   if (strcmp(name, "glViewport") == 0)
     return reinterpret_cast<GLFunctionPointerType>(Mock_glViewport);
   if (strcmp(name, "glWaitSync") == 0)
     return reinterpret_cast<GLFunctionPointerType>(Mock_glWaitSync);
   return reinterpret_cast<GLFunctionPointerType>(&MockInvalidFunction);
 }
 
 }  // namespace gl