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

chrome/browser/extensions/web_view_interactive_browsertest.cc

 // Copyright (c) 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/utf_string_conversions.h"
 #include "chrome/browser/extensions/extension_test_message_listener.h"
 #include "chrome/browser/extensions/platform_app_browsertest_util.h"
 #include "chrome/browser/extensions/shell_window_registry.h"
 #include "chrome/browser/ui/extensions/shell_window.h"
 #include "chrome/test/base/interactive_test_utils.h"
@@ skipping 163 matching lines @@
       message_loop_ = new content::MessageLoopRunner;
       message_loop_->Run();
     }
     content::RenderWidgetHost* last_render_widget_host() {
       return last_render_widget_host_;
     }
 
    private:
     void CreatedCallback(content::RenderWidgetHost* rwh) {
       last_render_widget_host_ = rwh;
-      if (message_loop_)
+      if (message_loop_.get())
         message_loop_->Quit();
       else
         created_ = true;
     }
     content::RenderWidgetHost::CreatedCallback created_callback_;
     scoped_refptr<content::MessageLoopRunner> message_loop_;
     bool created_;
     content::RenderWidgetHost* last_render_widget_host_;
   };
 
@@ skipping 219 matching lines @@
 // Started flakily failing after a Blink roll: http://crbug.com/245332
 IN_PROC_BROWSER_TEST_F(WebViewInteractiveTest, DISABLED_PopupPositioningMoved) {
   SetupTest(
       "web_view/popup_positioning_moved",
       "files/extensions/platform_apps/web_view/popup_positioning_moved"
       "/guest.html");
   ASSERT_TRUE(guest_web_contents());
 
   PopupTestHelper(gfx::Point(20, 0));
 }