Update to Chromium revision 272007.

- Remove CefSettings.accelerated_compositing option (see https://crbug.com/363772).
- Remove experimental x-webkit-speech support (see https://crbug.com/223198).
- Execute CefGeolocationHandler callbacks on the UI thread (see https://crbug.com/304341#c212).

git-svn-id: https://chromiumembedded.googlecode.com/svn/trunk@1711 5089003a-bbd8-11dd-ad1f-f1f9622dbc98

libcef/browser/chrome_browser_process_stub.cc

@@ -234,12 +234,6 @@ component_updater::PnaclComponentInstaller*
   return NULL;
 }
 
-BookmarkPromptController*
-  ChromeBrowserProcessStub::bookmark_prompt_controller() {
-  NOTIMPLEMENTED();
-  return NULL;
-}
-
 MediaFileSystemRegistry*
     ChromeBrowserProcessStub::media_file_system_registry() {
   NOTIMPLEMENTED();
@@ -257,3 +251,7 @@ WebRtcLogUploader* ChromeBrowserProcessStub::webrtc_log_uploader() {
   return NULL;
 }
 #endif
+
+NetworkTimeTracker* ChromeBrowserProcessStub::network_time_tracker() {
+  return NULL;
+}