[sync] WebContentsObserver based sessions notifications

chrome/browser/ui/cocoa/app_menu/app_menu_controller_unittest.mm

 // 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 "base/command_line.h"
 #include "base/mac/scoped_nsobject.h"
 #include "base/macros.h"
 #include "base/run_loop.h"
 #include "base/strings/sys_string_conversions.h"
 #include "base/strings/utf_string_conversions.h"
@@ skipping 58 matching lines @@
             "device_id")) {}
 
   void SetUp() override {
     CocoaProfileTest::SetUp();
     ASSERT_TRUE(browser());
 
     controller_.reset([[AppMenuController alloc] initWithBrowser:browser()]);
     fake_model_.reset(new MockAppMenuModel);
 
     sync_prefs_.reset(new syncer::SyncPrefs(profile()->GetPrefs()));
+    dummy_router_.reset(new DummyRouter());
     manager_.reset(new sync_sessions::SessionsSyncManager(
         ProfileSyncServiceFactory::GetForProfile(profile())
             ->GetSyncClient()
             ->GetSyncSessionsClient(),
-        sync_prefs_.get(), local_device_.get(),
-        std::unique_ptr<sync_sessions::LocalSessionEventRouter>(
-            new DummyRouter()),
+        sync_prefs_.get(), local_device_.get(), dummy_router_.get(),
         base::Closure(), base::Closure()));
     manager_->MergeDataAndStartSyncing(
         syncer::SESSIONS, syncer::SyncDataList(),
         std::unique_ptr<syncer::SyncChangeProcessor>(
             new syncer::FakeSyncChangeProcessor),
         std::unique_ptr<syncer::SyncErrorFactory>(
             new syncer::SyncErrorFactoryMock));
   }
 
   void RegisterRecentTabs(RecentTabsBuilderTestHelper* helper) {
@@ skipping 14 matching lines @@
   AppMenuController* controller() {
     return controller_.get();
   }
 
   base::scoped_nsobject<AppMenuController> controller_;
 
   std::unique_ptr<MockAppMenuModel> fake_model_;
 
  private:
   std::unique_ptr<syncer::SyncPrefs> sync_prefs_;
+  std::unique_ptr<DummyRouter> dummy_router_;
   std::unique_ptr<sync_sessions::SessionsSyncManager> manager_;
   std::unique_ptr<syncer::LocalDeviceInfoProviderMock> local_device_;
 };
 
 TEST_F(AppMenuControllerTest, Initialized) {
   EXPECT_TRUE([controller() menu]);
   EXPECT_GE([[controller() menu] numberOfItems], 5);
 }
 
 TEST_F(AppMenuControllerTest, DispatchSimple) {
@@ skipping 132 matching lines @@
   BrowserRemovedObserver observer;
   // This is normally called by ToolbarController, but since |controller_| is
   // not owned by one, call it here.
   [controller_ browserWillBeDestroyed];
   CloseBrowserWindow();
   observer.WaitUntilBrowserRemoved();
   // |controller_| is released in TearDown().
 }
 
 }  // namespace