Replace scoped_ptr with std::unique_ptr in //ui

ui/base/ime/chromeos/input_method_whitelist.cc

Index: ui/base/ime/chromeos/input_method_whitelist.cc
diff --git a/ui/base/ime/chromeos/input_method_whitelist.cc b/ui/base/ime/chromeos/input_method_whitelist.cc
index ab641a5a49687a2cd6b4a6845657d4e834957fb1..3995ba19f3e11cb4dc877504ac89a9c861a733dc 100644
--- a/ui/base/ime/chromeos/input_method_whitelist.cc
+++ b/ui/base/ime/chromeos/input_method_whitelist.cc
@@ -34,9 +34,10 @@ bool InputMethodWhitelist::InputMethodIdIsWhitelisted(
   return supported_input_methods_.count(input_method_id) > 0;
 }
 
-scoped_ptr<InputMethodDescriptors>
+std::unique_ptr<InputMethodDescriptors>
 InputMethodWhitelist::GetSupportedInputMethods() const {
-  scoped_ptr<InputMethodDescriptors> input_methods(new InputMethodDescriptors);
+  std::unique_ptr<InputMethodDescriptors> input_methods(
+      new InputMethodDescriptors);
   input_methods->reserve(arraysize(kInputMethods));
   for (size_t i = 0; i < arraysize(kInputMethods); ++i) {
     std::vector<std::string> layouts;