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/browser_context_proxy.cc

@@ -152,6 +152,10 @@ content::GeolocationPermissionContext*
   return parent_->GetGeolocationPermissionContext();
 }
 
+content::BrowserPluginGuestManager* CefBrowserContextProxy::GetGuestManager() {
+  return parent_->GetGuestManager();
+}
+
 quota::SpecialStoragePolicy* CefBrowserContextProxy::GetSpecialStoragePolicy() {
   return parent_->GetSpecialStoragePolicy();
 }