Support cube map dest target for CopyTextureCHROMIUM extension

gpu/command_buffer/tests/gl_test_utils.h

 // 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.
 
 // Helper functions for GL.
 
 #ifndef GPU_COMMAND_BUFFER_TESTS_GL_TEST_UTILS_H_
 #define GPU_COMMAND_BUFFER_TESTS_GL_TEST_UTILS_H_
 
 #include <GLES2/gl2.h>
@@ skipping 50 matching lines @@
                           GLint y,
                           GLsizei width,
                           GLsizei height,
                           GLint tolerance,
                           const uint8_t* color,
                           const uint8_t* mask);
 
   // Uses ReadPixels to save an area of the current FBO/Backbuffer.
   static bool SaveBackbufferAsBMP(const char* filename, int width, int height);
 
-  static void DrawTextureQuad(const char* vertex_src,
+  static void DrawTextureQuad(const GLenum texture_target,
+                              const char* vertex_src,
                               const char* fragment_src,
                               const char* position_name,
-                              const char* sampler_name);
+                              const char* sampler_name,
+                              const char* face_name);
 };
 
 #endif  // GPU_COMMAND_BUFFER_TESTS_GL_TEST_UTILS_H_