Remove PerBrowser launcher, reland step 1 of 2

chrome/browser/ui/ash/launcher/browser_launcher_item_controller_unittest.cc

Index: chrome/browser/ui/ash/launcher/browser_launcher_item_controller_unittest.cc
diff --git a/chrome/browser/ui/ash/launcher/browser_launcher_item_controller_unittest.cc b/chrome/browser/ui/ash/launcher/browser_launcher_item_controller_unittest.cc
deleted file mode 100644
index 0f20bc2d49d912ce789dbe736538fc186649e428..0000000000000000000000000000000000000000
--- a/chrome/browser/ui/ash/launcher/browser_launcher_item_controller_unittest.cc
+++ /dev/null
@@ -1,543 +0,0 @@
-// 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/ui/ash/launcher/browser_launcher_item_controller.h"
-
-#include <map>
-#include <string>
-
-#include "ash/ash_switches.h"
-#include "ash/launcher/launcher_model.h"
-#include "base/command_line.h"
-#include "base/memory/scoped_ptr.h"
-#include "chrome/browser/favicon/favicon_tab_helper.h"
-#include "chrome/browser/ui/ash/launcher/chrome_launcher_controller.h"
-#include "chrome/browser/ui/ash/launcher/launcher_item_controller.h"
-#include "chrome/browser/ui/tabs/tab_strip_model.h"
-#include "chrome/browser/ui/tabs/test_tab_strip_model_delegate.h"
-#include "chrome/test/base/chrome_render_view_host_test_harness.h"
-#include "chrome/test/base/testing_profile.h"
-#include "content/public/browser/web_contents.h"
-#include "testing/gtest/include/gtest/gtest.h"
-#include "third_party/skia/include/core/SkBitmap.h"
-#include "ui/aura/client/activation_change_observer.h"
-#include "ui/aura/client/activation_delegate.h"
-#include "ui/aura/client/aura_constants.h"
-#include "ui/aura/root_window.h"
-#include "ui/aura/test/test_activation_client.h"
-#include "ui/aura/test/test_window_delegate.h"
-#include "ui/aura/window.h"
-#include "ui/aura/window_delegate.h"
-#include "ui/base/events/event.h"
-
-// TODO(skuhne): Remove this module together with the
-// browser_launcher_item_controller.* when the old launcher goes away.
-
-namespace {
-
-// Test implementation of AppTabHelper.
-class AppTabHelperImpl : public ChromeLauncherController::AppTabHelper {
- public:
-  AppTabHelperImpl() {}
-  virtual ~AppTabHelperImpl() {}
-
-  // Sets the id for the specified tab. The id is removed if Remove() is
-  // invoked.
-  void SetAppID(content::WebContents* tab, const std::string& id) {
-    tab_id_map_[tab] = id;
-  }
-
-  // Returns true if there is an id registered for |tab|.
-  bool HasAppID(content::WebContents* tab) const {
-    return tab_id_map_.find(tab) != tab_id_map_.end();
-  }
-
-  // AppTabHelper implementation:
-  virtual std::string GetAppID(content::WebContents* tab) OVERRIDE {
-    return tab_id_map_.find(tab) != tab_id_map_.end() ? tab_id_map_[tab] :
-        std::string();
-  }
-
-  virtual bool IsValidID(const std::string& id) OVERRIDE {
-    for (TabToStringMap::const_iterator i = tab_id_map_.begin();
-         i != tab_id_map_.end(); ++i) {
-      if (i->second == id)
-        return true;
-    }
-    return false;
-  }
-
- private:
-  typedef std::map<content::WebContents*, std::string> TabToStringMap;
-
-  TabToStringMap tab_id_map_;
-
-  DISALLOW_COPY_AND_ASSIGN(AppTabHelperImpl);
-};
-
-// Test implementation of AppIconLoader.
-class AppIconLoaderImpl : public extensions::AppIconLoader {
- public:
-  AppIconLoaderImpl() : fetch_count_(0) {}
-  virtual ~AppIconLoaderImpl() {}
-
-  // Returns the number of times FetchImage() has been invoked and resets the
-  // count to 0.
-  int GetAndClearFetchCount() {
-    int value = fetch_count_;
-    fetch_count_ = 0;
-    return value;
-  }
-
-  // AppIconLoader implementation:
-  virtual void FetchImage(const std::string& id) OVERRIDE {
-    fetch_count_++;
-  }
-  virtual void ClearImage(const std::string& id) OVERRIDE {
-  }
-  virtual void UpdateImage(const std::string& id) OVERRIDE {
-  }
-
- private:
-  int fetch_count_;
-
-  DISALLOW_COPY_AND_ASSIGN(AppIconLoaderImpl);
-};
-
-// Test implementation of TabStripModelDelegate.
-class TabHelperTabStripModelDelegate : public TestTabStripModelDelegate {
- public:
-  TabHelperTabStripModelDelegate() {}
-  virtual ~TabHelperTabStripModelDelegate() {}
-
-  virtual void WillAddWebContents(content::WebContents* contents) OVERRIDE {
-    // BrowserLauncherItemController assumes that all WebContents passed to it
-    // have attached an extensions::TabHelper and a FaviconTabHelper. The
-    // TestTabStripModelDelegate adds an extensions::TabHelper.
-    TestTabStripModelDelegate::WillAddWebContents(contents);
-    FaviconTabHelper::CreateForWebContents(contents);
-  }
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(TabHelperTabStripModelDelegate);
-};
-
-}  // namespace
-
-// TODO(skuhne): Several of these unit tests need to be moved into a new home
-// when the old launcher & the browser launcher item controller are removed
-// (several of these tests are not testing the BrowserLauncherItemController -
-// but the LauncherController framework).
-class LauncherItemControllerPerAppTest
-    : public ChromeRenderViewHostTestHarness {
- public:
-  virtual void SetUp() OVERRIDE {
-    ChromeRenderViewHostTestHarness::SetUp();
-
-    activation_client_.reset(
-        new aura::test::TestActivationClient(root_window()));
-    launcher_model_.reset(new ash::LauncherModel);
-    launcher_delegate_.reset(
-        ChromeLauncherController::CreateInstance(profile(),
-                                                 launcher_model_.get()));
-    app_tab_helper_ = new AppTabHelperImpl;
-    app_icon_loader_ = new AppIconLoaderImpl;
-    launcher_delegate_->SetAppTabHelperForTest(app_tab_helper_);
-    launcher_delegate_->SetAppIconLoaderForTest(app_icon_loader_);
-    launcher_delegate_->Init();
-  }
-
-  virtual void TearDown() OVERRIDE {
-    launcher_delegate_.reset();
-    ChromeRenderViewHostTestHarness::TearDown();
-  }
-
- protected:
-  // Contains all the objects needed to create a BrowserLauncherItemController.
-  struct State : public aura::client::ActivationDelegate,
-                 public aura::client::ActivationChangeObserver {
-   public:
-    State(LauncherItemControllerPerAppTest* test,
-          const std::string& app_id,
-          BrowserLauncherItemController::Type launcher_type)
-        : launcher_test(test),
-          window(NULL),
-          tab_strip(&tab_strip_delegate, test->profile()),
-          updater(launcher_type,
-                  &window,
-                  &tab_strip,
-                  test->launcher_delegate_.get(),
-                  app_id) {
-      window.Init(ui::LAYER_NOT_DRAWN);
-      launcher_test->root_window()->AddChild(&window);
-      launcher_test->activation_client_->ActivateWindow(&window);
-      aura::client::SetActivationDelegate(&window, this);
-      aura::client::SetActivationChangeObserver(&window, this);
-      updater.Init();
-    }
-
-    ash::LauncherItem GetUpdaterItem() {
-      ash::LauncherID launcher_id =
-          BrowserLauncherItemController::TestApi(&updater).item_id();
-      int index = launcher_test->launcher_model_->ItemIndexByID(launcher_id);
-      return launcher_test->launcher_model_->items()[index];
-    }
-
-    // aura::client::ActivationDelegate overrides.
-    virtual bool ShouldActivate() const OVERRIDE {
-      return true;
-    }
-
-    // aura::client::ActivationChangeObserver overrides:
-    virtual void OnWindowActivated(aura::Window* gained_active,
-                                   aura::Window* lost_active) OVERRIDE {
-      DCHECK(&window == gained_active || &window == lost_active);
-      updater.BrowserActivationStateChanged();
-    }
-
-    LauncherItemControllerPerAppTest* launcher_test;
-    aura::Window window;
-    TabHelperTabStripModelDelegate tab_strip_delegate;
-    TabStripModel tab_strip;
-    BrowserLauncherItemController updater;
-
-   private:
-    DISALLOW_COPY_AND_ASSIGN(State);
-  };
-
-  const std::string& GetAppID(ash::LauncherID id) const {
-    return launcher_delegate_->GetAppIdFromLauncherIdForTest(id);
-  }
-
-  void ResetAppTabHelper() {
-    launcher_delegate_->SetAppTabHelperForTest(app_tab_helper_);
-  }
-
-  void ResetAppIconLoader() {
-    launcher_delegate_->SetAppIconLoaderForTest(app_icon_loader_);
-  }
-
-  void UnpinAppsWithID(const std::string& app_id) {
-    launcher_delegate_->UnpinAppsWithID(app_id);
-  }
-
-  const ash::LauncherItem& GetItem(BrowserLauncherItemController* updater) {
-    int index = launcher_model_->ItemIndexByID(
-        BrowserLauncherItemController::TestApi(updater).item_id());
-    return launcher_model_->items()[index];
-  }
-
-  scoped_ptr<ash::LauncherModel> launcher_model_;
-  scoped_ptr<ChromeLauncherController> launcher_delegate_;
-
-  // Owned by BrowserLauncherItemController.
-  AppTabHelperImpl* app_tab_helper_;
-  AppIconLoaderImpl* app_icon_loader_;
-
-  scoped_ptr<aura::test::TestActivationClient> activation_client_;
-};
-
-// Verify that the launcher item positions are persisted and restored.
-TEST_F(LauncherItemControllerPerAppTest, PersistLauncherItemPositions) {
-  EXPECT_EQ(ash::TYPE_BROWSER_SHORTCUT,
-            launcher_model_->items()[0].type);
-  EXPECT_EQ(ash::TYPE_APP_LIST,
-            launcher_model_->items()[1].type);
-  scoped_ptr<content::WebContents> tab1(CreateTestWebContents());
-  scoped_ptr<content::WebContents> tab2(CreateTestWebContents());
-  app_tab_helper_->SetAppID(tab1.get(), "1");
-  app_tab_helper_->SetAppID(tab1.get(), "2");
-
-  EXPECT_FALSE(launcher_delegate_->IsAppPinned("1"));
-  launcher_delegate_->PinAppWithID("1");
-  EXPECT_TRUE(launcher_delegate_->IsAppPinned("1"));
-  launcher_delegate_->PinAppWithID("2");
-
-  EXPECT_EQ(ash::TYPE_BROWSER_SHORTCUT,
-            launcher_model_->items()[0].type);
-  EXPECT_EQ(ash::TYPE_APP_SHORTCUT,
-            launcher_model_->items()[1].type);
-  EXPECT_EQ(ash::TYPE_APP_SHORTCUT,
-            launcher_model_->items()[2].type);
-  EXPECT_EQ(ash::TYPE_APP_LIST,
-            launcher_model_->items()[3].type);
-
-  launcher_model_->Move(0, 2);
-  EXPECT_EQ(ash::TYPE_APP_SHORTCUT,
-            launcher_model_->items()[0].type);
-  EXPECT_EQ(ash::TYPE_APP_SHORTCUT,
-            launcher_model_->items()[1].type);
-  EXPECT_EQ(ash::TYPE_BROWSER_SHORTCUT,
-            launcher_model_->items()[2].type);
-  EXPECT_EQ(ash::TYPE_APP_LIST,
-            launcher_model_->items()[3].type);
-
-  launcher_delegate_.reset();
-  launcher_model_.reset(new ash::LauncherModel);
-  launcher_delegate_.reset(
-      ChromeLauncherController::CreateInstance(profile(),
-                                               launcher_model_.get()));
-  app_tab_helper_ = new AppTabHelperImpl;
-  app_tab_helper_->SetAppID(tab1.get(), "1");
-  app_tab_helper_->SetAppID(tab2.get(), "2");
-  ResetAppTabHelper();
-
-  launcher_delegate_->Init();
-
-  EXPECT_EQ(ash::TYPE_APP_SHORTCUT,
-            launcher_model_->items()[0].type);
-  EXPECT_EQ(ash::TYPE_APP_SHORTCUT,
-            launcher_model_->items()[1].type);
-  EXPECT_EQ(ash::TYPE_BROWSER_SHORTCUT,
-            launcher_model_->items()[2].type);
-  EXPECT_EQ(ash::TYPE_APP_LIST,
-            launcher_model_->items()[3].type);
-}
-
-class BrowserLauncherItemControllerTest
-    : public LauncherItemControllerPerAppTest {
- public:
-  BrowserLauncherItemControllerTest() {}
-
-  virtual void SetUp() OVERRIDE {
-    CommandLine::ForCurrentProcess()->AppendSwitch(
-        ash::switches::kAshDisablePerAppLauncher);
-
-    LauncherItemControllerPerAppTest::SetUp();
-  }
-
-  virtual void TearDown() OVERRIDE {
-    LauncherItemControllerPerAppTest::TearDown();
-  }
-};
-
-// Verifies a new launcher item is added for TYPE_TABBED.
-TEST_F(BrowserLauncherItemControllerTest, TabbedSetup) {
-  size_t initial_size = launcher_model_->items().size();
-  {
-    scoped_ptr<content::WebContents> web_contents(CreateTestWebContents());
-    State state(this, std::string(),
-                BrowserLauncherItemController::TYPE_TABBED);
-
-    // There should be one more item.
-    ASSERT_EQ(initial_size + 1, launcher_model_->items().size());
-    // New item should be added at the end.
-    EXPECT_EQ(ash::TYPE_TABBED, state.GetUpdaterItem().type);
-  }
-
-  // Deleting the BrowserLauncherItemController should have removed the item.
-  ASSERT_EQ(initial_size, launcher_model_->items().size());
-
-  // Do the same, but this time add the tab first.
-  {
-    scoped_ptr<content::WebContents> web_contents(CreateTestWebContents());
-
-    TabHelperTabStripModelDelegate tab_strip_delegate;
-    TabStripModel tab_strip(&tab_strip_delegate, profile());
-    tab_strip.InsertWebContentsAt(0,
-                                  web_contents.get(),
-                                  TabStripModel::ADD_ACTIVE);
-    aura::Window window(NULL);
-    window.Init(ui::LAYER_NOT_DRAWN);
-    root_window()->AddChild(&window);
-    BrowserLauncherItemController updater(
-        LauncherItemController::TYPE_TABBED,
-        &window, &tab_strip, launcher_delegate_.get(),
-        std::string());
-    updater.Init();
-
-    // There should be one more item.
-    ASSERT_EQ(initial_size + 1, launcher_model_->items().size());
-    // New item should be added at the end.
-    EXPECT_EQ(ash::TYPE_TABBED, GetItem(&updater).type);
-  }
-}
-
-// Verifies pinned apps are persisted and restored.
-TEST_F(BrowserLauncherItemControllerTest, PersistPinned) {
-  size_t initial_size = launcher_model_->items().size();
-  scoped_ptr<content::WebContents> tab1(CreateTestWebContents());
-
-  app_tab_helper_->SetAppID(tab1.get(), "1");
-
-  app_icon_loader_->GetAndClearFetchCount();
-  launcher_delegate_->PinAppWithID("1");
-  ash::LauncherID id = launcher_delegate_->GetLauncherIDForAppID("1");
-  int app_index = launcher_model_->ItemIndexByID(id);
-  EXPECT_GT(app_icon_loader_->GetAndClearFetchCount(), 0);
-  EXPECT_EQ(ash::TYPE_APP_SHORTCUT,
-            launcher_model_->items()[app_index].type);
-  EXPECT_TRUE(launcher_delegate_->IsAppPinned("1"));
-  EXPECT_FALSE(launcher_delegate_->IsAppPinned("0"));
-  EXPECT_EQ(initial_size + 1, launcher_model_->items().size());
-
-  launcher_delegate_.reset();
-  launcher_model_.reset(new ash::LauncherModel);
-  launcher_delegate_.reset(
-      ChromeLauncherController::CreateInstance(profile(),
-                                               launcher_model_.get()));
-  app_tab_helper_ = new AppTabHelperImpl;
-  app_tab_helper_->SetAppID(tab1.get(), "1");
-  ResetAppTabHelper();
-  app_icon_loader_ = new AppIconLoaderImpl;
-  ResetAppIconLoader();
-  launcher_delegate_->Init();
-  EXPECT_GT(app_icon_loader_->GetAndClearFetchCount(), 0);
-  ASSERT_EQ(initial_size + 1, launcher_model_->items().size());
-  EXPECT_TRUE(launcher_delegate_->IsAppPinned("1"));
-  EXPECT_FALSE(launcher_delegate_->IsAppPinned("0"));
-  EXPECT_EQ(ash::TYPE_APP_SHORTCUT,
-            launcher_model_->items()[app_index].type);
-
-  UnpinAppsWithID("1");
-  ASSERT_EQ(initial_size, launcher_model_->items().size());
-}
-
-// Verify that launcher item positions are persisted and restored.
-TEST_F(BrowserLauncherItemControllerTest,
-    PersistLauncherItemPositionsPerBrowser) {
-  int browser_shortcut_index = 0;
-  int app_list_index = 1;
-
-  EXPECT_EQ(ash::TYPE_BROWSER_SHORTCUT,
-            launcher_model_->items()[browser_shortcut_index].type);
-  EXPECT_EQ(ash::TYPE_APP_LIST,
-            launcher_model_->items()[app_list_index].type);
-
-  scoped_ptr<content::WebContents> tab1(CreateTestWebContents());
-  scoped_ptr<content::WebContents> tab2(CreateTestWebContents());
-
-  app_tab_helper_->SetAppID(tab1.get(), "1");
-  app_tab_helper_->SetAppID(tab2.get(), "2");
-
-  app_icon_loader_->GetAndClearFetchCount();
-  launcher_delegate_->PinAppWithID("1");
-  ash::LauncherID id = launcher_delegate_->GetLauncherIDForAppID("1");
-  int app1_index = launcher_model_->ItemIndexByID(id);
-
-  launcher_delegate_->PinAppWithID("2");
-  id = launcher_delegate_->GetLauncherIDForAppID("2");
-  int app2_index = launcher_model_->ItemIndexByID(id);
-
-  launcher_model_->Move(browser_shortcut_index, app1_index);
-
-  browser_shortcut_index = 1;
-  app1_index = 0;
-
-  EXPECT_GT(app_icon_loader_->GetAndClearFetchCount(), 0);
-  EXPECT_EQ(ash::TYPE_APP_SHORTCUT,
-            launcher_model_->items()[app1_index].type);
-  EXPECT_EQ(ash::TYPE_BROWSER_SHORTCUT,
-            launcher_model_->items()[browser_shortcut_index].type);
-  EXPECT_EQ(ash::TYPE_APP_SHORTCUT,
-            launcher_model_->items()[app2_index].type);
-
-  launcher_delegate_.reset();
-  launcher_model_.reset(new ash::LauncherModel);
-  launcher_delegate_.reset(
-      ChromeLauncherController::CreateInstance(profile(),
-                                               launcher_model_.get()));
-
-  app_tab_helper_ = new AppTabHelperImpl;
-  app_tab_helper_->SetAppID(tab1.get(), "1");
-  app_tab_helper_->SetAppID(tab2.get(), "2");
-  ResetAppTabHelper();
-  app_icon_loader_ = new AppIconLoaderImpl;
-  ResetAppIconLoader();
-  launcher_delegate_->Init();
-
-  EXPECT_EQ(ash::TYPE_APP_SHORTCUT,
-            launcher_model_->items()[app1_index].type);
-  EXPECT_EQ(ash::TYPE_BROWSER_SHORTCUT,
-            launcher_model_->items()[browser_shortcut_index].type);
-  EXPECT_EQ(ash::TYPE_APP_SHORTCUT,
-            launcher_model_->items()[app2_index].type);
-}
-
-// Confirm that tabbed browsers handle activation correctly.
-TEST_F(BrowserLauncherItemControllerTest, ActivateBrowsers) {
-  State state1(this, std::string(), BrowserLauncherItemController::TYPE_TABBED);
-
-  // First browser is active.
-  EXPECT_EQ(ash::STATUS_ACTIVE, state1.GetUpdaterItem().status);
-
-  {
-    // Both running.
-    State state2(this, std::string(),
-                 BrowserLauncherItemController::TYPE_TABBED);
-    EXPECT_EQ(ash::STATUS_ACTIVE, state2.GetUpdaterItem().status);
-    EXPECT_EQ(ash::STATUS_RUNNING, state1.GetUpdaterItem().status);
-
-    // Make first browser active again.
-    activation_client_->ActivateWindow(&state1.window);
-    EXPECT_EQ(ash::STATUS_ACTIVE, state1.GetUpdaterItem().status);
-    EXPECT_EQ(ash::STATUS_RUNNING, state2.GetUpdaterItem().status);
-
-    // And back to second.
-    activation_client_->ActivateWindow(&state2.window);
-    EXPECT_EQ(ash::STATUS_ACTIVE, state2.GetUpdaterItem().status);
-    EXPECT_EQ(ash::STATUS_RUNNING, state1.GetUpdaterItem().status);
-  }
-
-  // First browser should be active again after second is closed.
-  EXPECT_EQ(ash::STATUS_ACTIVE, state1.GetUpdaterItem().status);
-}
-
-// Confirm that window activation works through the model.
-TEST_F(BrowserLauncherItemControllerTest, SwitchDirectlyToApp) {
-  State state1(this, std::string(),
-               BrowserLauncherItemController::TYPE_TABBED);
-  int index1 = launcher_model_->ItemIndexByID(state1.GetUpdaterItem().id);
-
-  // Second app is active and first is inactive.
-  State state2(this, std::string(),
-               BrowserLauncherItemController::TYPE_TABBED);
-  int index2 = launcher_model_->ItemIndexByID(state2.GetUpdaterItem().id);
-
-  EXPECT_EQ(ash::STATUS_RUNNING, state1.GetUpdaterItem().status);
-  EXPECT_EQ(ash::STATUS_ACTIVE, state2.GetUpdaterItem().status);
-  EXPECT_EQ(&state2.window, activation_client_->GetActiveWindow());
-
-  // Test that we can properly switch to the first item.
-  ash::LauncherItem new_item1(launcher_model_->items()[index1]);
-  new_item1.status = ash::STATUS_ACTIVE;
-  launcher_model_->Set(index1, new_item1);
-  EXPECT_EQ(ash::STATUS_ACTIVE, launcher_model_->items()[index1].status);
-  EXPECT_EQ(ash::STATUS_RUNNING, launcher_model_->items()[index2].status);
-  EXPECT_EQ(&state1.window, activation_client_->GetActiveWindow());
-
-  // And to the second item active.
-  ash::LauncherItem new_item2(launcher_model_->items()[index2]);
-  new_item2.status = ash::STATUS_ACTIVE;
-  launcher_model_->Set(index2, new_item2);
-  EXPECT_EQ(ash::STATUS_RUNNING, launcher_model_->items()[index1].status);
-  EXPECT_EQ(ash::STATUS_ACTIVE, launcher_model_->items()[index2].status);
-  EXPECT_EQ(&state2.window, activation_client_->GetActiveWindow());
-}
-
-// Test attention states of windows.
-TEST_F(BrowserLauncherItemControllerTest, FlashWindow) {
-  // App panel first
-  State app_state(this, "1", BrowserLauncherItemController::TYPE_APP_PANEL);
-  EXPECT_EQ(ash::STATUS_ACTIVE, app_state.GetUpdaterItem().status);
-
-  // Active windows don't show attention.
-  app_state.window.SetProperty(aura::client::kDrawAttentionKey, true);
-  EXPECT_EQ(ash::STATUS_ACTIVE, app_state.GetUpdaterItem().status);
-
-  // Then browser window
-  State browser_state(
-      this, std::string(), BrowserLauncherItemController::TYPE_TABBED);
-  // First browser is active.
-  EXPECT_EQ(ash::STATUS_ACTIVE, browser_state.GetUpdaterItem().status);
-  EXPECT_EQ(ash::STATUS_RUNNING, app_state.GetUpdaterItem().status);
-
-  // App window should go to attention state.
-  app_state.window.SetProperty(aura::client::kDrawAttentionKey, true);
-  EXPECT_EQ(ash::STATUS_ATTENTION, app_state.GetUpdaterItem().status);
-
-  // Activating app window should clear attention state.
-  activation_client_->ActivateWindow(&app_state.window);
-  EXPECT_EQ(ash::STATUS_ACTIVE, app_state.GetUpdaterItem().status);
-}