Delete copy_texture_to_parent_texture from GPU command buffer code.

gpu/command_buffer/service/feature_info_unittest.cc

 // Copyright (c) 2011 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.
 
 #include "gpu/command_buffer/service/feature_info.h"
 
 #include "base/memory/scoped_ptr.h"
 #include "gpu/command_buffer/common/gl_mock.h"
 #include "gpu/command_buffer/service/test_helper.h"
 #include "gpu/command_buffer/service/texture_manager.h"
@@ skipping 49 matching lines @@
   EXPECT_FALSE(info_.feature_flags().enable_texture_float_linear);
   EXPECT_FALSE(info_.feature_flags().enable_texture_half_float_linear);
   EXPECT_FALSE(info_.feature_flags().chromium_webglsl);
   EXPECT_FALSE(info_.feature_flags().oes_egl_image_external);
 }
 
 TEST_F(FeatureInfoTest, InitializeNoExtensions) {
   SetupInitExpectations("");
   info_.Initialize(NULL);
   // Check default extensions are there
-  EXPECT_THAT(info_.extensions(),
-              HasSubstr("GL_CHROMIUM_copy_texture_to_parent_texture"));
   EXPECT_THAT(info_.extensions(), HasSubstr("GL_CHROMIUM_resource_safe"));
   EXPECT_THAT(info_.extensions(), HasSubstr("GL_CHROMIUM_strict_attribs"));
 
   // Check a couple of random extensions that should not be there.
   EXPECT_THAT(info_.extensions(), Not(HasSubstr("GL_CHROMIUM_webglsl")));
   EXPECT_THAT(info_.extensions(), Not(HasSubstr("GL_OES_texture_npot")));
   EXPECT_THAT(info_.extensions(),
               Not(HasSubstr("GL_EXT_texture_compression_dxt1")));
   EXPECT_THAT(info_.extensions(),
               Not(HasSubstr("GL_CHROMIUM_texture_compression_dxt3")));
@@ skipping 346 matching lines @@
       GL_REQUIRED_TEXTURE_IMAGE_UNITS_OES));
   EXPECT_TRUE(info_.validators()->g_l_state.IsValid(
       GL_TEXTURE_BINDING_EXTERNAL_OES));
 }
 
 }  // namespace gles2
 }  // namespace gpu