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

chrome/browser/ui/views/javascript_app_modal_dialog_views_x11.h

Index: chrome/browser/ui/views/javascript_app_modal_dialog_views_x11.h
diff --git a/chrome/browser/ui/views/javascript_app_modal_dialog_views_x11.h b/chrome/browser/ui/views/javascript_app_modal_dialog_views_x11.h
index 8d10340756af301d1ff515d3d9566b92e5b11ae8..9dc994799d0204bc235b74994574c668f0578184 100644
--- a/chrome/browser/ui/views/javascript_app_modal_dialog_views_x11.h
+++ b/chrome/browser/ui/views/javascript_app_modal_dialog_views_x11.h
@@ -5,8 +5,9 @@
 #ifndef CHROME_BROWSER_UI_VIEWS_JAVASCRIPT_APP_MODAL_DIALOG_VIEWS_X11_H_
 #define CHROME_BROWSER_UI_VIEWS_JAVASCRIPT_APP_MODAL_DIALOG_VIEWS_X11_H_
 
+#include <memory>
+
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "components/app_modal/views/javascript_app_modal_dialog_views.h"
 
 class AppModalDialogHelper;
@@ -28,9 +29,9 @@ class JavaScriptAppModalDialogViewsX11
 
  private:
   // Blocks events to other browser windows while the dialog is open.
-  scoped_ptr<JavascriptAppModalEventBlockerX11> event_blocker_x11_;
+  std::unique_ptr<JavascriptAppModalEventBlockerX11> event_blocker_x11_;
 
-  scoped_ptr<AppModalDialogHelper> helper_;
+  std::unique_ptr<AppModalDialogHelper> helper_;
 
   DISALLOW_COPY_AND_ASSIGN(JavaScriptAppModalDialogViewsX11);
 };