Convert //content from scoped_ptr to std::unique_ptr

content/public/test/browser_test_utils.h

Index: content/public/test/browser_test_utils.h
diff --git a/content/public/test/browser_test_utils.h b/content/public/test/browser_test_utils.h
index 1fa66912076b84a63d90a7330e81f2b15f67a0c1..267f7ad8a117d60069477e2e8f5cc639b494fc5b 100644
--- a/content/public/test/browser_test_utils.h
+++ b/content/public/test/browser_test_utils.h
@@ -416,7 +416,7 @@ class WebContentsAddedObserver {
   base::Callback<void(WebContents*)> web_contents_created_callback_;
 
   WebContents* web_contents_;
-  scoped_ptr<RenderViewCreatedObserver> child_observer_;
+  std::unique_ptr<RenderViewCreatedObserver> child_observer_;
   scoped_refptr<MessageLoopRunner> runner_;
 
   DISALLOW_COPY_AND_ASSIGN(WebContentsAddedObserver);
@@ -475,7 +475,7 @@ class MainThreadFrameObserver : public IPC::Listener {
   void Quit();
 
   RenderWidgetHost* render_widget_host_;
-  scoped_ptr<base::RunLoop> run_loop_;
+  std::unique_ptr<base::RunLoop> run_loop_;
   int routing_id_;
 
   DISALLOW_COPY_AND_ASSIGN(MainThreadFrameObserver);