Fix ChromeOS build by putting back define from previous patch (tried...

gfx/blit.cc

 // Copyright (c) 2009 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 "gfx/blit.h"
 
 #include "base/logging.h"
 #include "build/build_config.h"
 #include "gfx/point.h"
 #include "gfx/rect.h"
 #include "skia/ext/platform_canvas.h"
 #include "skia/ext/platform_device.h"
 
-#if defined(TOOLKIT_GTK)
+#if defined(OS_POSIX) && !defined(OS_MACOSX)
 #include <cairo/cairo.h>
 #endif
 
 #if defined(OS_MACOSX)
 #include "base/mac_util.h"
 #include "base/scoped_cftyperef.h"
 #endif
 
 namespace gfx {
 
@@ skipping 169 matching lines @@
       memmove(bitmap.getAddr32(dest_rect.x(), dest_rect.y() + y),
               bitmap.getAddr32(src_rect.x(), src_rect.y() + y),
               row_bytes);
     }
   }
 }
 
 #endif
 
 }  // namespace gfx