Update to Chromium revision 280796.

- Mac: Remove Carbon interpose library (see http://crbug.com/157130).
- Remove unused LOGSEVERITY_ERROR_REPORT value (see http://crbug.com/352378).
- CefURLRequest in the render process will now always have the UR_FLAG_REPORT_LOAD_TIMING flag set (see http://crbug.com/376025#c15).
- Change CefGeolocationHandler::OnRequestGeolocationPermission return value from void to boolean.

git-svn-id: https://chromiumembedded.googlecode.com/svn/trunk@1753 5089003a-bbd8-11dd-ad1f-f1f9622dbc98

tests/cefclient/client_handler.cpp

@@ -250,13 +250,14 @@ bool ClientHandler::OnDragEnter(CefRefPtr<CefBrowser> browser,
   return false;
 }
 
-void ClientHandler::OnRequestGeolocationPermission(
+bool ClientHandler::OnRequestGeolocationPermission(
       CefRefPtr<CefBrowser> browser,
       const CefString& requesting_url,
       int request_id,
       CefRefPtr<CefGeolocationCallback> callback) {
   // Allow geolocation access from all websites.
   callback->Continue(true);
+  return true;
 }
 
 bool ClientHandler::OnPreKeyEvent(CefRefPtr<CefBrowser> browser,