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

webkit/browser/fileapi/timed_task_helper_unittest.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "base/basictypes.h"
 #include "base/bind.h"
 #include "base/location.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop.h"
 #include "base/message_loop/message_loop_proxy.h"
 #include "base/time.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "webkit/browser/fileapi/timed_task_helper.h"
 
 namespace fileapi {
 
 namespace {
 
 class Embedder {
  public:
   Embedder()
-      : timer_(base::MessageLoopProxy::current()),
-        timer_fired_(false) {}
+      : timer_(base::MessageLoopProxy::current().get()), timer_fired_(false) {}
 
   void OnTimerFired() {
     timer_fired_ = true;
   }
 
   TimedTaskHelper* timer() { return &timer_; }
   bool timer_fired() const { return timer_fired_; }
 
  private:
   TimedTaskHelper timer_;
@@ skipping 41 matching lines @@
 
     ASSERT_TRUE(embedder.timer()->IsRunning());
   }
 
   // At this point the callback is still in the message queue but
   // embedder is gone.
   base::MessageLoop::current()->RunUntilIdle();
 }
 
 }  // namespace fileapi