Convert chrome/common to std::unique_ptr

chrome/common/extensions/manifest_handlers/theme_handler.cc

Index: chrome/common/extensions/manifest_handlers/theme_handler.cc
diff --git a/chrome/common/extensions/manifest_handlers/theme_handler.cc b/chrome/common/extensions/manifest_handlers/theme_handler.cc
index 5a4105f6467fa9b17aa61ef3290c02dca9e44190..cdee0c3f15f828912fe308e03e0ae22c779de94d 100644
--- a/chrome/common/extensions/manifest_handlers/theme_handler.cc
+++ b/chrome/common/extensions/manifest_handlers/theme_handler.cc
@@ -4,8 +4,9 @@
 
 #include "chrome/common/extensions/manifest_handlers/theme_handler.h"
 
+#include <memory>
+
 #include "base/files/file_util.h"
-#include "base/memory/scoped_ptr.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/values.h"
 #include "chrome/grit/generated_resources.h"
@@ -174,7 +175,7 @@ bool ThemeHandler::Parse(Extension* extension, base::string16* error) {
     return false;
   }
 
-  scoped_ptr<ThemeInfo> theme_info(new ThemeInfo);
+  std::unique_ptr<ThemeInfo> theme_info(new ThemeInfo);
   if (!LoadImages(theme_value, error, theme_info.get()))
     return false;
   if (!LoadColors(theme_value, error, theme_info.get()))