Remove Page dependency from NetworkStateNotifier

third_party/WebKit/Source/modules/netinfo/NetworkInformation.cpp

 // 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 "modules/netinfo/NetworkInformation.h"
 
 #include "core/dom/ExecutionContext.h"
 #include "core/dom/TaskRunnerHelper.h"
 #include "core/events/Event.h"
 #include "core/page/NetworkStateNotifier.h"
@@ skipping 112 matching lines @@
 }
 
 void NetworkInformation::contextDestroyed(ExecutionContext*) {
   m_contextStopped = true;
   stopObserving();
 }
 
 void NetworkInformation::startObserving() {
   if (!m_observing && !m_contextStopped) {
     m_type = networkStateNotifier().connectionType();
-    networkStateNotifier().addObserver(
-        this, TaskRunnerHelper::get(TaskType::Networking, getExecutionContext())
-                  .get());
+    networkStateNotifier().addConnectionObserver(
+        this,
+        TaskRunnerHelper::get(TaskType::Networking, getExecutionContext()));
     m_observing = true;
   }
 }
 
 void NetworkInformation::stopObserving() {
   if (m_observing) {
-    networkStateNotifier().removeObserver(
-        this, TaskRunnerHelper::get(TaskType::Networking, getExecutionContext())
-                  .get());
+    networkStateNotifier().removeConnectionObserver(
+        this,
+        TaskRunnerHelper::get(TaskType::Networking, getExecutionContext()));
     m_observing = false;
   }
 }
 
 NetworkInformation::NetworkInformation(ExecutionContext* context)
     : ContextLifecycleObserver(context),
       m_type(networkStateNotifier().connectionType()),
       m_downlinkMaxMbps(networkStateNotifier().maxBandwidth()),
       m_observing(false),
       m_contextStopped(false) {}
 
 DEFINE_TRACE(NetworkInformation) {
   EventTargetWithInlineData::trace(visitor);
   ContextLifecycleObserver::trace(visitor);
 }
 
 }  // namespace blink