Update webkit/ to use scoped_refptr<T>::get() rather than implicit "operator T*"

webkit/glue/webkitplatformsupport_impl.cc

Index: webkit/glue/webkitplatformsupport_impl.cc
diff --git a/webkit/glue/webkitplatformsupport_impl.cc b/webkit/glue/webkitplatformsupport_impl.cc
index 0d33d2e8d503e0e661e3355bd12cccc458cc0526..c4d9e5216e05c6bd72bf846cabdeaea949a7a599 100644
--- a/webkit/glue/webkitplatformsupport_impl.cc
+++ b/webkit/glue/webkitplatformsupport_impl.cc
@@ -829,10 +829,10 @@ WebKit::WebThread* WebKitPlatformSupportImpl::currentThread() {
 
   scoped_refptr<base::MessageLoopProxy> message_loop =
       base::MessageLoopProxy::current();
-  if (!message_loop)
+  if (!message_loop.get())
     return NULL;
 
-  thread = new WebThreadImplForMessageLoop(message_loop);
+  thread = new WebThreadImplForMessageLoop(message_loop.get());
   current_thread_slot_.Set(thread);
   return thread;
 }