Update to Chromium revision 91424.

- Add tools/gyp_cef to satisfy grit_info.py module load requirement.
- Add skia_gpu.patch to work around skia/Angle/WebGL bug.

git-svn-id: https://chromiumembedded.googlecode.com/svn/trunk@263 5089003a-bbd8-11dd-ad1f-f1f9622dbc98

libcef/simple_clipboard_impl.cc

@@ -94,4 +94,8 @@ bool ClipboardReadFilenames(ui::Clipboard::Buffer buffer,
   return false;
 }
 
+uint64 ClipboardGetSequenceNumber() {
+  return 0;
+}
+
 }  // namespace webkit_glue