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

chrome/browser/extensions/api/streams_private/streams_private_api.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/extensions/api/streams_private/streams_private_api.h"
 
 #include "base/lazy_instance.h"
 #include "base/values.h"
 #include "chrome/browser/extensions/extension_tab_util.h"
 #include "chrome/common/extensions/api/streams_private.h"
@@ skipping 31 matching lines @@
 
 namespace streams_private = api::streams_private;
 
 // static
 StreamsPrivateAPI* StreamsPrivateAPI::Get(content::BrowserContext* context) {
   return GetFactoryInstance()->Get(context);
 }
 
 StreamsPrivateAPI::StreamsPrivateAPI(content::BrowserContext* context)
     : browser_context_(context),
-      weak_ptr_factory_(this),
-      extension_registry_observer_(this) {
+      extension_registry_observer_(this),
+      weak_ptr_factory_(this) {
   extension_registry_observer_.Add(ExtensionRegistry::Get(browser_context_));
 }
 
 StreamsPrivateAPI::~StreamsPrivateAPI() {
 }
 
 void StreamsPrivateAPI::ExecuteMimeTypeHandler(
     const std::string& extension_id,
     content::WebContents* web_contents,
     scoped_ptr<content::StreamHandle> stream,
@@ skipping 76 matching lines @@
 static base::LazyInstance<BrowserContextKeyedAPIFactory<StreamsPrivateAPI> >
     g_factory = LAZY_INSTANCE_INITIALIZER;
 
 // static
 BrowserContextKeyedAPIFactory<StreamsPrivateAPI>*
 StreamsPrivateAPI::GetFactoryInstance() {
   return g_factory.Pointer();
 }
 
 }  // namespace extensions