Remove stl_util's deletion function use from chrome/.

chrome/browser/ui/webui/extensions/extension_icon_source.h

Index: chrome/browser/ui/webui/extensions/extension_icon_source.h
diff --git a/chrome/browser/ui/webui/extensions/extension_icon_source.h b/chrome/browser/ui/webui/extensions/extension_icon_source.h
index e28e965195229c70c3476df43dd1a87629a6cd3c..47ebee121996171791f5d58d93c25e110b381df3 100644
--- a/chrome/browser/ui/webui/extensions/extension_icon_source.h
+++ b/chrome/browser/ui/webui/extensions/extension_icon_source.h
@@ -122,7 +122,7 @@ class ExtensionIconSource : public content::URLDataSource,
   //  3) If still no matches, load the default extension / application icon.
   void LoadIconFailed(int request_id);
 
-  // Parses and savse an ExtensionIconRequest for the URL |path| for the
+  // Parses and saves an ExtensionIconRequest for the URL |path| for the
   // specified |request_id|.
   bool ParseData(const std::string& path,
                  int request_id,
@@ -149,7 +149,7 @@ class ExtensionIconSource : public content::URLDataSource,
   std::map<int, int> tracker_map_;
 
   // Maps request_ids to ExtensionIconRequests.
-  std::map<int, ExtensionIconRequest*> request_map_;
+  std::map<int, std::unique_ptr<ExtensionIconRequest>> request_map_;
 
   std::unique_ptr<SkBitmap> default_app_data_;