Update idle extension API to use BrowserContext.

chrome/browser/extensions/api/idle/idle_api_unittest.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/idle/idle_api.h"
 
 #include <limits.h>
 #include <string>
 
 #include "base/strings/string_number_conversions.h"
@@ skipping 99 matching lines @@
       idle::OnStateChanged::kEventName, extension_id_, GURL(), NULL);
   idle_manager_->OnListenerAdded(details);
 }
 
 ScopedListen::~ScopedListen() {
   const EventListenerInfo details(
       idle::OnStateChanged::kEventName, extension_id_, GURL(), NULL);
   idle_manager_->OnListenerRemoved(details);
 }
 
-KeyedService* IdleManagerTestFactory(content::BrowserContext* profile) {
-  return new IdleManager(static_cast<Profile*>(profile));
+KeyedService* IdleManagerTestFactory(content::BrowserContext* context) {
+  return new IdleManager(context);
 }
 
 }  // namespace
 
+// TODO(derat): Make this instead derive from extensions::ApiUnitTest after
+// moving it out of the unit_tests target. Its base class can't be changed
+// before then since doing so results in crashes due to multiple
+// content::NotificationService instances being created.
 class IdleTest : public ExtensionApiUnittest {
  public:
   void SetUp() override;
 
  protected:
   IdleManager* idle_manager_;
   TestIdleProvider* idle_provider_;
   testing::StrictMock<MockEventDelegate>* event_delegate_;
 };
 
 void IdleTest::SetUp() {
   ExtensionApiUnittest::SetUp();
 
   IdleManagerFactory::GetInstance()->SetTestingFactory(browser()->profile(),
                                                        &IdleManagerTestFactory);
-  idle_manager_ = IdleManagerFactory::GetForProfile(browser()->profile());
+  idle_manager_ = IdleManagerFactory::GetForBrowserContext(
+      browser()->profile());
 
   idle_provider_ = new TestIdleProvider();
   idle_manager_->SetIdleTimeProviderForTest(
       scoped_ptr<IdleManager::IdleTimeProvider>(idle_provider_).Pass());
   event_delegate_ = new testing::StrictMock<MockEventDelegate>();
   idle_manager_->SetEventDelegateForTest(
       scoped_ptr<IdleManager::EventDelegate>(event_delegate_).Pass());
   idle_manager_->Init();
 }
 
@@ skipping 407 matching lines @@
 
   {
     // Nothing should have fired, the listener wasn't added until afterward.
     ScopedListen listen(idle_manager_, "test");
     idle_manager_->UpdateIdleState();
     testing::Mock::VerifyAndClearExpectations(event_delegate_);
   }
 }
 
 }  // namespace extensions