Fix remaining WeakPtrFactory ordering problems

extensions/browser/api/hid/hid_device_manager.cc

 // Copyright 2014 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 "extensions/browser/api/hid/hid_device_manager.h"
 
 #include <limits>
 #include <vector>
 
 #include "base/lazy_instance.h"
@@ skipping 59 matching lines @@
                       const GetApiDevicesCallback& callback)
       : extension(extension), filters(filters), callback(callback) {}
   ~GetApiDevicesParams() {}
 
   const Extension* extension;
   std::vector<HidDeviceFilter> filters;
   GetApiDevicesCallback callback;
 };
 
 HidDeviceManager::HidDeviceManager(content::BrowserContext* context)
-    : weak_factory_(this),
-      initialized_(false),
+    : initialized_(false),
       hid_service_observer_(this),
       enumeration_ready_(false),
-      next_resource_id_(0) {
+      next_resource_id_(0),
+      weak_factory_(this) {
   event_router_ = EventRouter::Get(context);
   if (event_router_) {
     event_router_->RegisterObserver(this, hid::OnDeviceAdded::kEventName);
     event_router_->RegisterObserver(this, hid::OnDeviceRemoved::kEventName);
   }
 }
 
 HidDeviceManager::~HidDeviceManager() {
   DCHECK(thread_checker_.CalledOnValidThread());
 }
@@ skipping 186 matching lines @@
 void HidDeviceManager::DispatchEvent(const std::string& event_name,
                                      scoped_ptr<base::ListValue> event_args,
                                      const HidDeviceInfo& device_info) {
   scoped_ptr<Event> event(new Event(event_name, event_args.Pass()));
   event->will_dispatch_callback =
       base::Bind(&WillDispatchDeviceEvent, device_info);
   event_router_->BroadcastEvent(event.Pass());
 }
 
 }  // namespace extensions