Changing the Weakptr initialization order in chrome/browser/extension folder

chrome/browser/extensions/updater/extension_cache_impl.h

Index: chrome/browser/extensions/updater/extension_cache_impl.h
diff --git a/chrome/browser/extensions/updater/extension_cache_impl.h b/chrome/browser/extensions/updater/extension_cache_impl.h
index 4c821c4288fce8380119cf2b37437423737c9120..a1223eead24fef4dcc7b6b1c008a7665a49ad82e 100644
--- a/chrome/browser/extensions/updater/extension_cache_impl.h
+++ b/chrome/browser/extensions/updater/extension_cache_impl.h
@@ -56,9 +56,6 @@ class ExtensionCacheImpl : public ExtensionCache,
   // Callback that is called when local cache is ready.
   void OnCacheInitialized();
 
-  // Weak factory for callbacks.
-  base::WeakPtrFactory<ExtensionCacheImpl> weak_ptr_factory_;
-
   // Cache implementation that uses local cache dir.
   scoped_ptr<LocalExtensionCache> cache_;
 
@@ -71,6 +68,9 @@ class ExtensionCacheImpl : public ExtensionCache,
   // Observes failures to install CRX files.
   content::NotificationRegistrar notification_registrar_;
 
+  // Weak factory for callbacks.
+  base::WeakPtrFactory<ExtensionCacheImpl> weak_ptr_factory_;
+
   DISALLOW_COPY_AND_ASSIGN(ExtensionCacheImpl);
 };