Convert //chrome/browser/ui from scoped_ptr to std::unique_ptr

chrome/browser/ui/apps/chrome_app_delegate.h

Index: chrome/browser/ui/apps/chrome_app_delegate.h
diff --git a/chrome/browser/ui/apps/chrome_app_delegate.h b/chrome/browser/ui/apps/chrome_app_delegate.h
index 37432322e4cfc2dbc249047835edbd02ac2a83dc..568c8a47aa33dac74e6a5ff3b88a45698a2a9960 100644
--- a/chrome/browser/ui/apps/chrome_app_delegate.h
+++ b/chrome/browser/ui/apps/chrome_app_delegate.h
@@ -5,9 +5,10 @@
 #ifndef CHROME_BROWSER_UI_APPS_CHROME_APP_DELEGATE_H_
 #define CHROME_BROWSER_UI_APPS_CHROME_APP_DELEGATE_H_
 
+#include <memory>
+
 #include "base/callback.h"
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
@@ -77,8 +78,8 @@ class ChromeAppDelegate : public extensions::AppDelegate,
 
   bool has_been_shown_;
   bool is_hidden_;
-  scoped_ptr<ScopedKeepAlive> keep_alive_;
-  scoped_ptr<NewWindowContentsDelegate> new_window_contents_delegate_;
+  std::unique_ptr<ScopedKeepAlive> keep_alive_;
+  std::unique_ptr<NewWindowContentsDelegate> new_window_contents_delegate_;
   base::Closure terminating_callback_;
   content::NotificationRegistrar registrar_;
   base::WeakPtrFactory<ChromeAppDelegate> weak_factory_;