Add chromium_code: 1 to surface.gyp and gl.gyp to pick up -Werror.

ui/gfx/gl/gl_surface_cgl.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 "ui/gfx/gl/gl_surface_cgl.h"
 
 #include "base/basictypes.h"
 #include "base/logging.h"
 #include "ui/gfx/gl/gl_bindings.h"
 
@@ skipping 11 matching lines @@
 
 bool GLSurfaceCGL::InitializeOneOff() {
   static bool initialized = false;
   if (initialized)
     return true;
 
   static const CGLPixelFormatAttribute attribs[] = {
     (CGLPixelFormatAttribute) kCGLPFAPBuffer,
     (CGLPixelFormatAttribute) 0
   };
-  CGLPixelFormatObj pixel_format;
   GLint num_pixel_formats;
   if (CGLChoosePixelFormat(attribs,
                            &g_pixel_format,
                            &num_pixel_formats) != kCGLNoError) {
     LOG(ERROR) << "Error choosing pixel format.";
     return false;
   }
   if (num_pixel_formats == 0) {
     LOG(ERROR) << "num_pixel_formats == 0.";
     return false;
@@ skipping 54 matching lines @@
 
 gfx::Size PbufferGLSurfaceCGL::GetSize() {
   return size_;
 }
 
 void* PbufferGLSurfaceCGL::GetHandle() {
   return pbuffer_;
 }
 
 }  // namespace gfx