Add glCopyTexSubImage2D to GrGLInterface

src/gpu/gl/GrGLNoOpInterface.cpp

 /*
  * Copyright 2013 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "GrGLNoOpInterface.h"
 #include "SkString.h"
 #include "SkThread.h"
@@ skipping 82 matching lines @@
 GrGLvoid GR_GL_FUNCTION_TYPE noOpGLCompressedTexImage2D(GrGLenum target,
                                                         GrGLint level,
                                                         GrGLenum internalformat,
                                                         GrGLsizei width,
                                                         GrGLsizei height,
                                                         GrGLint border,
                                                         GrGLsizei imageSize,
                                                         const GrGLvoid* data) {
 }
 
+GrGLvoid GR_GL_FUNCTION_TYPE noOpGLCopyTexSubImage2D(GrGLenum target,
+                                                     GrGLint level,
+                                                     GrGLint xoffset,
+                                                     GrGLint yoffset,
+                                                     GrGLint x,
+                                                     GrGLint y,
+                                                     GrGLsizei width,
+                                                     GrGLsizei height) {
+}
+
 GrGLvoid GR_GL_FUNCTION_TYPE noOpGLCullFace(GrGLenum mode) {
 }
 
 GrGLvoid GR_GL_FUNCTION_TYPE noOpGLDepthMask(GrGLboolean flag) {
 }
 
 GrGLvoid GR_GL_FUNCTION_TYPE noOpGLDisable(GrGLenum cap) {
 }
 
 GrGLvoid GR_GL_FUNCTION_TYPE noOpGLDisableVertexAttribArray(GrGLuint index) {
@@ skipping 491 matching lines @@
                                                           GrGLint* params) {
     // we used to use this to query stuff about externally created textures,
     // now we just require clients to tell us everything about the texture.
     GrCrash("Should never query texture parameters.");
 }
 
 GrGLint GR_GL_FUNCTION_TYPE noOpGLGetUniformLocation(GrGLuint program, const char* name) {
     static int gUniLocation = 0;
     return ++gUniLocation;
 }