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

chrome/browser/ui/browser_window_state.cc

Index: chrome/browser/ui/browser_window_state.cc
diff --git a/chrome/browser/ui/browser_window_state.cc b/chrome/browser/ui/browser_window_state.cc
index 49f840820545072b488e3d41fa5a1d16b7b2f267..e40ef26542fcec503dc6bce047ffee699f1ab764 100644
--- a/chrome/browser/ui/browser_window_state.cc
+++ b/chrome/browser/ui/browser_window_state.cc
@@ -8,6 +8,7 @@
 
 #include "base/command_line.h"
 #include "base/macros.h"
+#include "base/memory/ptr_util.h"
 #include "base/strings/string_number_conversions.h"
 #include "chrome/browser/defaults.h"
 #include "chrome/browser/profiles/profile.h"
@@ -79,16 +80,16 @@ std::string GetWindowName(const Browser* browser) {
   return browser->app_name();
 }
 
-scoped_ptr<DictionaryPrefUpdate> GetWindowPlacementDictionaryReadWrite(
+std::unique_ptr<DictionaryPrefUpdate> GetWindowPlacementDictionaryReadWrite(
     const std::string& window_name,
     PrefService* prefs) {
   DCHECK(!window_name.empty());
   // A normal DictionaryPrefUpdate will suffice for non-app windows.
   if (prefs->FindPreference(window_name.c_str())) {
-    return make_scoped_ptr(
+    return base::WrapUnique(
         new DictionaryPrefUpdate(prefs, window_name.c_str()));
   }
-  return scoped_ptr<DictionaryPrefUpdate>(
+  return std::unique_ptr<DictionaryPrefUpdate>(
       new WindowPlacementPrefUpdate(prefs, window_name));
 }