Remove linked_ptr usage in //base.

chrome/browser/printing/cloud_print/privet_notifications.cc

 // Copyright 2013 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/printing/cloud_print/privet_notifications.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/command_line.h"
@@ skipping 83 matching lines @@
   DeviceContextMap::iterator found = devices_seen_.find(name);
   if (found != devices_seen_.end()) {
     if (!description.id.empty() &&  // Device is registered
         found->second->notification_may_be_active) {
       found->second->notification_may_be_active = false;
       NotifyDeviceRemoved();
     }
     return;  // Already saw this device.
   }
 
-  linked_ptr<DeviceContext> device_context(new DeviceContext);
-
+  scoped_ptr<DeviceContext>& device_context = devices_seen_[name];
+  device_context.reset(new DeviceContext);
   device_context->notification_may_be_active = false;
   device_context->registered = !description.id.empty();
 
-  devices_seen_.insert(make_pair(name, device_context));
-
   if (!device_context->registered) {
     device_context->privet_http_resolution =
         privet_http_factory_->CreatePrivetHTTP(name);
     device_context->privet_http_resolution->Start(
         description.address,
         base::Bind(&PrivetNotificationsListener::CreateInfoOperation,
                    base::Unretained(this)));
   }
 }
 
@@ skipping 265 matching lines @@
 
 void PrivetNotificationDelegate::DisableNotifications() {
   Profile* profile_obj = Profile::FromBrowserContext(profile_);
 
   profile_obj->GetPrefs()->SetBoolean(
       prefs::kLocalDiscoveryNotificationsEnabled,
       false);
 }
 
 }  // namespace cloud_print