Convert chrome/common to std::unique_ptr

chrome/common/extensions/manifest_handlers/linked_app_icons.cc

Index: chrome/common/extensions/manifest_handlers/linked_app_icons.cc
diff --git a/chrome/common/extensions/manifest_handlers/linked_app_icons.cc b/chrome/common/extensions/manifest_handlers/linked_app_icons.cc
index 8d486c78e8b27a2d8569de2a211464becc3e443f..5f4945ebc9244b4743c1028049e04925154d797e 100644
--- a/chrome/common/extensions/manifest_handlers/linked_app_icons.cc
+++ b/chrome/common/extensions/manifest_handlers/linked_app_icons.cc
@@ -4,6 +4,8 @@
 
 #include "chrome/common/extensions/manifest_handlers/linked_app_icons.h"
 
+#include <memory>
+
 #include "base/lazy_instance.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/values.h"
@@ -55,7 +57,7 @@ LinkedAppIconsHandler::~LinkedAppIconsHandler() {
 }
 
 bool LinkedAppIconsHandler::Parse(Extension* extension, base::string16* error) {
-  scoped_ptr<LinkedAppIcons> linked_app_icons(new LinkedAppIcons);
+  std::unique_ptr<LinkedAppIcons> linked_app_icons(new LinkedAppIcons);
 
   const base::Value* icons_value = nullptr;
   const base::ListValue* icons_list = nullptr;