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

chrome/browser/ui/cocoa/constrained_window/constrained_window_mac.h

Index: chrome/browser/ui/cocoa/constrained_window/constrained_window_mac.h
diff --git a/chrome/browser/ui/cocoa/constrained_window/constrained_window_mac.h b/chrome/browser/ui/cocoa/constrained_window/constrained_window_mac.h
index 33aa9dd47efb0bba8d14089236c1408727d35079..4dd4adbb17d8617f32bc2cdfe645e023a86e632a 100644
--- a/chrome/browser/ui/cocoa/constrained_window/constrained_window_mac.h
+++ b/chrome/browser/ui/cocoa/constrained_window/constrained_window_mac.h
@@ -25,13 +25,13 @@ class ConstrainedWindowMacDelegate {
 };
 
 // Creates a ConstrainedWindowMac, shows the dialog, and returns it.
-scoped_ptr<ConstrainedWindowMac> CreateAndShowWebModalDialogMac(
+std::unique_ptr<ConstrainedWindowMac> CreateAndShowWebModalDialogMac(
     ConstrainedWindowMacDelegate* delegate,
     content::WebContents* web_contents,
     id<ConstrainedWindowSheet> sheet);
 
 // Creates a ConstrainedWindowMac and returns it.
-scoped_ptr<ConstrainedWindowMac> CreateWebModalDialogMac(
+std::unique_ptr<ConstrainedWindowMac> CreateWebModalDialogMac(
     ConstrainedWindowMacDelegate* delegate,
     content::WebContents* web_contents,
     id<ConstrainedWindowSheet> sheet);
@@ -73,7 +73,7 @@ class ConstrainedWindowMac {
   SingleWebContentsDialogManagerCocoa* manager_;  // weak, owned by WCMDM.
   content::WebContents* web_contents_;  // weak, owned by dialog initiator.
   base::scoped_nsprotocol<id<ConstrainedWindowSheet>> sheet_;
-  scoped_ptr<SingleWebContentsDialogManagerCocoa> native_manager_;
+  std::unique_ptr<SingleWebContentsDialogManagerCocoa> native_manager_;
 };
 
 #endif  // CHROME_BROWSER_UI_COCOA_CONSTRAINED_WINDOW_CONSTRAINED_WINDOW_MAC_