WebGL 2: Fix bugs in negativetextureapi.html for Mac

gpu/command_buffer/service/gles2_cmd_decoder_autogen.h

 // Copyright 2014 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
 // gpu/command_buffer/build_gles2_cmd_buffer.py
 // It's formatted by clang-format using chromium coding style:
 //    clang-format -i -style=chromium filename
 // DO NOT EDIT!
 
@@ skipping 1088 matching lines @@
     return error::kNoError;
   }
   if (width < 0) {
     LOCAL_SET_GL_ERROR(GL_INVALID_VALUE, "glCopyTexSubImage3D", "width < 0");
     return error::kNoError;
   }
   if (height < 0) {
     LOCAL_SET_GL_ERROR(GL_INVALID_VALUE, "glCopyTexSubImage3D", "height < 0");
     return error::kNoError;
   }
-  glCopyTexSubImage3D(target, level, xoffset, yoffset, zoffset, x, y, width,
+  DoCopyTexSubImage3D(target, level, xoffset, yoffset, zoffset, x, y, width,
                       height);
   return error::kNoError;
 }
 
 error::Error GLES2DecoderImpl::HandleCreateProgram(uint32_t immediate_data_size,
                                                    const void* cmd_data) {
   const gles2::cmds::CreateProgram& c =
       *static_cast<const gles2::cmds::CreateProgram*>(cmd_data);
   (void)c;
   uint32_t client_id = c.client_id;
@@ skipping 4539 matching lines @@
         state_.enable_flags.cached_sample_alpha_to_one_ext = enabled;
         return true;
       }
       return false;
     default:
       NOTREACHED();
       return false;
   }
 }
 #endif  // GPU_COMMAND_BUFFER_SERVICE_GLES2_CMD_DECODER_AUTOGEN_H_