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

content/browser/web_contents/web_contents_view_aura_browsertest.cc

 // Copyright (c) 2012 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 "content/browser/web_contents/web_contents_view_aura.h"
 
 #include "base/command_line.h"
 #include "base/run_loop.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/test/test_timeouts.h"
@@ skipping 51 matching lines @@
   virtual void TakeScreenshotImpl(RenderViewHost* host,
                                   NavigationEntryImpl* entry) OVERRIDE {
     ++waiting_for_screenshots_;
     screenshot_taken_for_ = host;
     WebContentsScreenshotManager::TakeScreenshotImpl(host, entry);
   }
 
   virtual void OnScreenshotSet(NavigationEntryImpl* entry) OVERRIDE {
     --waiting_for_screenshots_;
     WebContentsScreenshotManager::OnScreenshotSet(entry);
-    if (waiting_for_screenshots_ == 0 && message_loop_runner_)
+    if (waiting_for_screenshots_ == 0 && message_loop_runner_.get())
       message_loop_runner_->Quit();
   }
 
   RenderViewHost* screenshot_taken_for_;
   scoped_refptr<content::MessageLoopRunner> message_loop_runner_;
   int waiting_for_screenshots_;
 
   DISALLOW_COPY_AND_ASSIGN(ScreenshotTracker);
 };
 
@@ skipping 503 matching lines @@
       10);
   string16 actual_title = title_watcher.WaitAndGetTitle();
   EXPECT_EQ(expected_title, actual_title);
 
   EXPECT_EQ(2, GetCurrentIndex());
   EXPECT_TRUE(controller.CanGoBack());
   EXPECT_FALSE(controller.CanGoForward());
 }
 
 }  // namespace content