rename WidnowManager::GetInstance -> ::Get

call OnTerminating in unit test.

BUG=None

Committed: https://crrev.com/828338e278350941febbfbede2b34d721be6dab1
Cr-Commit-Position: refs/heads/master@{#296348}

Review URL: https://codereview.chromium.org/599683003

Cr-Commit-Position: refs/heads/master@{#296448}

14 files changed, 52 insertions, 48 deletions

diff --git a/athena/activity/activity_frame_view.cc b/athena/activity/activity_frame_view.cc
index 67cd024..fa0c36c 100644
--- a/athena/activity/activity_frame_view.cc
+++ b/athena/activity/activity_frame_view.cc
@@ -59,11 +59,11 @@ ActivityFrameView::ActivityFrameView(views::Widget* frame,
   UpdateWindowTitle();
   UpdateWindowIcon();
 
-  WindowManager::GetInstance()->AddObserver(this);
+  WindowManager::Get()->AddObserver(this);
 }
 
 ActivityFrameView::~ActivityFrameView() {
-  WindowManager::GetInstance()->RemoveObserver(this);
+  WindowManager::Get()->RemoveObserver(this);
 }
 
 gfx::Rect ActivityFrameView::GetBoundsForClientView() const {
diff --git a/athena/content/app_activity.cc b/athena/content/app_activity.cc
index da5f929..4315df3 100644
--- a/athena/content/app_activity.cc
+++ b/athena/content/app_activity.cc
@@ -103,7 +103,7 @@ void AppActivity::Init() {
     // Note: At this time the |AppActivity| did not get registered to the
     // |ResourceManager| - so we can move it around if needed.
     WindowListProvider* window_list_provider =
-        WindowManager::GetInstance()->GetWindowListProvider();
+        WindowManager::Get()->GetWindowListProvider();
     window_list_provider->StackWindowFrontOf(app_proxy->GetWindow(),
                                              GetWindow());
     Activity::Delete(app_proxy);
diff --git a/athena/content/app_activity_proxy.cc b/athena/content/app_activity_proxy.cc
index 60822d3..e4efd89 100644
--- a/athena/content/app_activity_proxy.cc
+++ b/athena/content/app_activity_proxy.cc
@@ -62,7 +62,7 @@ void AppActivityProxy::Init() {
   // Get the content proxy to present the content.
   content_proxy_ = replaced_activity_->GetContentProxy(GetWindow());
   WindowListProvider* window_list_provider =
-      WindowManager::GetInstance()->GetWindowListProvider();
+      WindowManager::Get()->GetWindowListProvider();
   window_list_provider->StackWindowBehindTo(GetWindow(),
                                             replaced_activity_->GetWindow());
   // Creating this object was moving the activation to this window which should
diff --git a/athena/content/app_activity_registry.cc b/athena/content/app_activity_registry.cc
index 70c1f3b..9981437 100644
--- a/athena/content/app_activity_registry.cc
+++ b/athena/content/app_activity_registry.cc
@@ -119,7 +119,7 @@ void AppActivityRegistry::DelayedUnload() {
 AppActivity* AppActivityRegistry::GetMruActivity() {
   DCHECK(activity_list_.size());
   WindowListProvider* window_list_provider =
-      WindowManager::GetInstance()->GetWindowListProvider();
+      WindowManager::Get()->GetWindowListProvider();
   const aura::Window::Windows& children =
       window_list_provider->GetWindowList();
   // Find the first window in the container which is part of the application.
diff --git a/athena/env/athena_env_unittest.cc b/athena/env/athena_env_unittest.cc
index e852f45..126f87f 100644
--- a/athena/env/athena_env_unittest.cc
+++ b/athena/env/athena_env_unittest.cc
@@ -99,6 +99,8 @@ TEST_F(AthenaEnvTest, TerminatingCallback) {
   // Adding empty callback should not fail.
   env->AddTerminatingCallback(base::Closure());
   env->OnTerminating();
+  env->RemoveTerminatingCallback(cb_1_2);
+  env->RemoveTerminatingCallback(cb_2_1);
 }
 
 namespace {
diff --git a/athena/home/home_card_impl.cc b/athena/home/home_card_impl.cc
index 2b11db4..3b285fb 100644
--- a/athena/home/home_card_impl.cc
+++ b/athena/home/home_card_impl.cc
@@ -197,7 +197,7 @@ class HomeCardView : public views::WidgetDelegateView {
   virtual bool OnMousePressed(const ui::MouseEvent& event) OVERRIDE {
     if (HomeCard::Get()->GetState() == HomeCard::VISIBLE_MINIMIZED &&
         event.IsLeftMouseButton() && event.GetClickCount() == 1) {
-      athena::WindowManager::GetInstance()->ToggleOverview();
+      athena::WindowManager::Get()->ToggleOverview();
       return true;
     }
     return false;
@@ -232,12 +232,12 @@ HomeCardImpl::HomeCardImpl(AppModelBuilder* model_builder)
       activation_client_(NULL) {
   DCHECK(!instance);
   instance = this;
-  WindowManager::GetInstance()->AddObserver(this);
+  WindowManager::Get()->AddObserver(this);
 }
 
 HomeCardImpl::~HomeCardImpl() {
   DCHECK(instance);
-  WindowManager::GetInstance()->RemoveObserver(this);
+  WindowManager::Get()->RemoveObserver(this);
   if (activation_client_)
     activation_client_->RemoveObserver(this);
   home_card_widget_->CloseNow();
@@ -379,7 +379,7 @@ void HomeCardImpl::OnGestureEnded(State final_state, bool is_fling) {
   if (state_ != final_state &&
       (state_ == VISIBLE_MINIMIZED || final_state == VISIBLE_MINIMIZED)) {
     SetState(final_state);
-    WindowManager::GetInstance()->ToggleOverview();
+    WindowManager::Get()->ToggleOverview();
   } else {
     state_ = final_state;
     // When the animation happens after a fling, EASE_IN_OUT would cause weird
diff --git a/athena/home/home_card_unittest.cc b/athena/home/home_card_unittest.cc
index fe7083f..ce28ba5 100644
--- a/athena/home/home_card_unittest.cc
+++ b/athena/home/home_card_unittest.cc
@@ -48,13 +48,13 @@ TEST_F(HomeCardTest, BasicTransition) {
   EXPECT_EQ(work_area_height, home_card->GetTargetBounds().y());
   EXPECT_EQ(wm::ShadowType::SHADOW_TYPE_NONE, wm::GetShadowType(home_card));
 
-  WindowManager::GetInstance()->ToggleOverview();
+  WindowManager::Get()->ToggleOverview();
   EXPECT_EQ(HomeCard::VISIBLE_BOTTOM, HomeCard::Get()->GetState());
   EXPECT_EQ(screen_height - kHomeCardHeight, home_card->GetTargetBounds().y());
   EXPECT_EQ(wm::ShadowType::SHADOW_TYPE_RECTANGULAR,
             wm::GetShadowType(home_card));
 
-  WindowManager::GetInstance()->ToggleOverview();
+  WindowManager::Get()->ToggleOverview();
   EXPECT_EQ(HomeCard::VISIBLE_MINIMIZED, HomeCard::Get()->GetState());
   EXPECT_EQ(work_area_height, home_card->GetTargetBounds().y());
   EXPECT_EQ(wm::ShadowType::SHADOW_TYPE_NONE, wm::GetShadowType(home_card));
@@ -70,7 +70,7 @@ TEST_F(HomeCardTest, VirtualKeyboardTransition) {
   EXPECT_EQ(HomeCard::VISIBLE_MINIMIZED, HomeCard::Get()->GetState());
 
   // bottom -> centered for virtual keyboard.
-  WindowManager::GetInstance()->ToggleOverview();
+  WindowManager::Get()->ToggleOverview();
   EXPECT_EQ(HomeCard::VISIBLE_BOTTOM, HomeCard::Get()->GetState());
   HomeCard::Get()->UpdateVirtualKeyboardBounds(vk_bounds);
   EXPECT_EQ(HomeCard::VISIBLE_CENTERED, HomeCard::Get()->GetState());
@@ -93,7 +93,7 @@ TEST_F(HomeCardTest, ToggleOverviewWithVirtualKeyboard) {
 
   // Toogle overview revives the bottom home card. Home card also gets
   /// activated which will close the virtual keyboard.
-  WindowManager::GetInstance()->ToggleOverview();
+  WindowManager::Get()->ToggleOverview();
   EXPECT_EQ(HomeCard::VISIBLE_BOTTOM, HomeCard::Get()->GetState());
   aura::Window* home_card = GetHomeCardWindow();
   EXPECT_TRUE(wm::IsActiveWindow(home_card));
@@ -103,7 +103,7 @@ TEST_F(HomeCardTest, ToggleOverviewWithVirtualKeyboard) {
 TEST_F(HomeCardTest, AppSelection) {
   EXPECT_EQ(HomeCard::VISIBLE_MINIMIZED, HomeCard::Get()->GetState());
 
-  WindowManager::GetInstance()->ToggleOverview();
+  WindowManager::Get()->ToggleOverview();
   EXPECT_EQ(HomeCard::VISIBLE_BOTTOM, HomeCard::Get()->GetState());
 
   athena::ActivityFactory::Get()->CreateWebActivity(
@@ -122,7 +122,7 @@ TEST_F(HomeCardTest, Accelerators) {
   EXPECT_EQ(HomeCard::VISIBLE_MINIMIZED, HomeCard::Get()->GetState());
 
   // Do nothing for BOTTOM.
-  WindowManager::GetInstance()->ToggleOverview();
+  WindowManager::Get()->ToggleOverview();
   EXPECT_EQ(HomeCard::VISIBLE_BOTTOM, HomeCard::Get()->GetState());
   generator.PressKey(ui::VKEY_L, ui::EF_CONTROL_DOWN);
   EXPECT_EQ(HomeCard::VISIBLE_BOTTOM, HomeCard::Get()->GetState());
@@ -146,12 +146,12 @@ TEST_F(HomeCardTest, MouseClick) {
   generator.ClickLeftButton();
 
   EXPECT_EQ(HomeCard::VISIBLE_BOTTOM, HomeCard::Get()->GetState());
-  EXPECT_TRUE(WindowManager::GetInstance()->IsOverviewModeActive());
+  EXPECT_TRUE(WindowManager::Get()->IsOverviewModeActive());
 
   // Further clicks are simply ignored.
   generator.ClickLeftButton();
   EXPECT_EQ(HomeCard::VISIBLE_BOTTOM, HomeCard::Get()->GetState());
-  EXPECT_TRUE(WindowManager::GetInstance()->IsOverviewModeActive());
+  EXPECT_TRUE(WindowManager::Get()->IsOverviewModeActive());
 }
 
 TEST_F(HomeCardTest, Gestures) {
@@ -167,7 +167,7 @@ TEST_F(HomeCardTest, Gestures) {
                                   base::TimeDelta::FromSeconds(1),
                                   10);
   EXPECT_EQ(HomeCard::VISIBLE_BOTTOM, HomeCard::Get()->GetState());
-  EXPECT_TRUE(WindowManager::GetInstance()->IsOverviewModeActive());
+  EXPECT_TRUE(WindowManager::Get()->IsOverviewModeActive());
 
   // Too short moves. Nothing has changed.
   generator.GestureScrollSequence(gfx::Point(x, bottom - 40),
@@ -175,14 +175,14 @@ TEST_F(HomeCardTest, Gestures) {
                                   base::TimeDelta::FromSeconds(1),
                                   10);
   EXPECT_EQ(HomeCard::VISIBLE_BOTTOM, HomeCard::Get()->GetState());
-  EXPECT_TRUE(WindowManager::GetInstance()->IsOverviewModeActive());
+  EXPECT_TRUE(WindowManager::Get()->IsOverviewModeActive());
 
   generator.GestureScrollSequence(gfx::Point(x, bottom - 40),
                                   gfx::Point(x, bottom - 20),
                                   base::TimeDelta::FromSeconds(1),
                                   10);
   EXPECT_EQ(HomeCard::VISIBLE_BOTTOM, HomeCard::Get()->GetState());
-  EXPECT_TRUE(WindowManager::GetInstance()->IsOverviewModeActive());
+  EXPECT_TRUE(WindowManager::Get()->IsOverviewModeActive());
 
   // Swipe up to the centered state.
   generator.GestureScrollSequence(gfx::Point(x, bottom - 40),
@@ -190,7 +190,7 @@ TEST_F(HomeCardTest, Gestures) {
                                   base::TimeDelta::FromSeconds(1),
                                   10);
   EXPECT_EQ(HomeCard::VISIBLE_CENTERED, HomeCard::Get()->GetState());
-  EXPECT_TRUE(WindowManager::GetInstance()->IsOverviewModeActive());
+  EXPECT_TRUE(WindowManager::Get()->IsOverviewModeActive());
 
   // Swipe up from centered; nothing has to be changed.
   generator.GestureScrollSequence(gfx::Point(x, bottom - 300),
@@ -198,7 +198,7 @@ TEST_F(HomeCardTest, Gestures) {
                                   base::TimeDelta::FromSeconds(1),
                                   10);
   EXPECT_EQ(HomeCard::VISIBLE_CENTERED, HomeCard::Get()->GetState());
-  EXPECT_TRUE(WindowManager::GetInstance()->IsOverviewModeActive());
+  EXPECT_TRUE(WindowManager::Get()->IsOverviewModeActive());
 
   // Swipe down slightly; nothing has to be changed.
   generator.GestureScrollSequence(gfx::Point(x, bottom - 300),
@@ -206,7 +206,7 @@ TEST_F(HomeCardTest, Gestures) {
                                   base::TimeDelta::FromSeconds(1),
                                   10);
   EXPECT_EQ(HomeCard::VISIBLE_CENTERED, HomeCard::Get()->GetState());
-  EXPECT_TRUE(WindowManager::GetInstance()->IsOverviewModeActive());
+  EXPECT_TRUE(WindowManager::Get()->IsOverviewModeActive());
 
   // Swipe down to the bottom state.
   generator.GestureScrollSequence(gfx::Point(x, 10),
@@ -214,14 +214,14 @@ TEST_F(HomeCardTest, Gestures) {
                                   base::TimeDelta::FromSeconds(1),
                                   10);
   EXPECT_EQ(HomeCard::VISIBLE_BOTTOM, HomeCard::Get()->GetState());
-  EXPECT_TRUE(WindowManager::GetInstance()->IsOverviewModeActive());
+  EXPECT_TRUE(WindowManager::Get()->IsOverviewModeActive());
 
   generator.GestureScrollSequence(gfx::Point(x, bottom - 40),
                                   gfx::Point(x, bottom - 300),
                                   base::TimeDelta::FromSeconds(1),
                                   10);
   EXPECT_EQ(HomeCard::VISIBLE_CENTERED, HomeCard::Get()->GetState());
-  EXPECT_TRUE(WindowManager::GetInstance()->IsOverviewModeActive());
+  EXPECT_TRUE(WindowManager::Get()->IsOverviewModeActive());
 
   // Swipe down to the minimized state.
   generator.GestureScrollSequence(gfx::Point(x, 10),
@@ -229,8 +229,7 @@ TEST_F(HomeCardTest, Gestures) {
                                   base::TimeDelta::FromSeconds(1),
                                   10);
   EXPECT_EQ(HomeCard::VISIBLE_MINIMIZED, HomeCard::Get()->GetState());
-  EXPECT_FALSE(WindowManager::GetInstance()->IsOverviewModeActive());
-
+  EXPECT_FALSE(WindowManager::Get()->IsOverviewModeActive());
 }
 
 TEST_F(HomeCardTest, GesturesToFullDirectly) {
@@ -246,7 +245,7 @@ TEST_F(HomeCardTest, GesturesToFullDirectly) {
                                   base::TimeDelta::FromSeconds(1),
                                   10);
   EXPECT_EQ(HomeCard::VISIBLE_CENTERED, HomeCard::Get()->GetState());
-  EXPECT_TRUE(WindowManager::GetInstance()->IsOverviewModeActive());
+  EXPECT_TRUE(WindowManager::Get()->IsOverviewModeActive());
 }
 
 TEST_F(HomeCardTest, KeyboardFocus) {
@@ -254,7 +253,7 @@ TEST_F(HomeCardTest, KeyboardFocus) {
   aura::Window* home_card = GetHomeCardWindow();
   ASSERT_FALSE(IsSearchBoxFocused(home_card));
 
-  WindowManager::GetInstance()->ToggleOverview();
+  WindowManager::Get()->ToggleOverview();
   ASSERT_FALSE(IsSearchBoxFocused(home_card));
 
   ui::test::EventGenerator generator(root_window());
diff --git a/athena/resource_manager/resource_manager_impl.cc b/athena/resource_manager/resource_manager_impl.cc
index 8e10cb8..9c18a75 100644
--- a/athena/resource_manager/resource_manager_impl.cc
+++ b/athena/resource_manager/resource_manager_impl.cc
@@ -167,15 +167,15 @@ ResourceManagerImpl::ResourceManagerImpl(ResourceManagerDelegate* delegate)
       next_resource_management_time_(base::Time::Now()),
       wait_time_for_resource_deallocation_(base::TimeDelta::FromMilliseconds(
           delegate_->MemoryPressureIntervalInMS())) {
-  WindowManager::GetInstance()->AddObserver(this);
-  WindowManager::GetInstance()->GetWindowListProvider()->AddObserver(this);
+  WindowManager::Get()->AddObserver(this);
+  WindowManager::Get()->GetWindowListProvider()->AddObserver(this);
   ActivityManager::Get()->AddObserver(this);
 }
 
 ResourceManagerImpl::~ResourceManagerImpl() {
   ActivityManager::Get()->RemoveObserver(this);
-  WindowManager::GetInstance()->GetWindowListProvider()->RemoveObserver(this);
-  WindowManager::GetInstance()->RemoveObserver(this);
+  WindowManager::Get()->GetWindowListProvider()->RemoveObserver(this);
+  WindowManager::Get()->RemoveObserver(this);
 
   while (!activity_list_.empty())
     OnActivityEnding(activity_list_.front());
@@ -418,7 +418,7 @@ void ResourceManagerImpl::UpdateActivityOrder() {
     return;
   std::vector<Activity*> new_activity_list;
   const aura::Window::Windows children =
-      activity_list_[0]->GetWindow()->parent()->children();
+      WindowManager::Get()->GetWindowListProvider()->GetWindowList();
   // Find the first window in the container which is part of the application.
   for (aura::Window::Windows::const_reverse_iterator child_iterator =
          children.rbegin();
diff --git a/athena/resource_manager/resource_manager_unittest.cc b/athena/resource_manager/resource_manager_unittest.cc
index b5796b9..b1741ab 100644
--- a/athena/resource_manager/resource_manager_unittest.cc
+++ b/athena/resource_manager/resource_manager_unittest.cc
@@ -229,7 +229,7 @@ TEST_F(ResourceManagerTest, VisibilityChanges) {
 
   // Once the split view mode gets turned on, more windows should become
   // visible.
-  WindowManager::GetInstance()->ToggleSplitViewForTest();
+  WindowManager::Get()->ToggleSplitViewForTest();
   EXPECT_EQ(Activity::ACTIVITY_VISIBLE, app1->GetCurrentState());
   EXPECT_EQ(Activity::ACTIVITY_VISIBLE, app2->GetCurrentState());
   EXPECT_NE(Activity::ACTIVITY_VISIBLE, app3->GetCurrentState());
diff --git a/athena/test/athena_test_base.cc b/athena/test/athena_test_base.cc
index cbe812c..82a0928 100644
--- a/athena/test/athena_test_base.cc
+++ b/athena/test/athena_test_base.cc
@@ -4,6 +4,7 @@
 
 #include "athena/test/athena_test_base.h"
 
+#include "athena/env/public/athena_env.h"
 #include "athena/screen/public/screen_manager.h"
 #include "athena/test/athena_test_helper.h"
 #include "ui/aura/client/window_tree_client.h"
@@ -47,6 +48,8 @@ void AthenaTestBase::SetUp() {
 }
 
 void AthenaTestBase::TearDown() {
+  AthenaEnv::Get()->OnTerminating();
+
   teardown_called_ = true;
 
   // Flush the message loop because we have pending release tasks
diff --git a/athena/wm/public/window_manager.h b/athena/wm/public/window_manager.h
index ee8a2e5..bafc618 100644
--- a/athena/wm/public/window_manager.h
+++ b/athena/wm/public/window_manager.h
@@ -19,7 +19,7 @@ class ATHENA_EXPORT WindowManager {
   // implementation.
   static WindowManager* Create();
   static void Shutdown();
-  static WindowManager* GetInstance();
+  static WindowManager* Get();
 
   virtual ~WindowManager() {}
 
diff --git a/athena/wm/test/window_manager_impl_test_api.cc b/athena/wm/test/window_manager_impl_test_api.cc
index 51296c4..bf346f9 100644
--- a/athena/wm/test/window_manager_impl_test_api.cc
+++ b/athena/wm/test/window_manager_impl_test_api.cc
@@ -10,7 +10,7 @@ namespace athena {
 namespace test {
 
 WindowManagerImplTestApi::WindowManagerImplTestApi()
-    : wm_(static_cast<WindowManagerImpl*>(WindowManager::GetInstance())) {
+    : wm_(static_cast<WindowManagerImpl*>(WindowManager::Get())) {
 }
 
 WindowManagerImplTestApi::~WindowManagerImplTestApi() {
diff --git a/athena/wm/window_manager_impl.cc b/athena/wm/window_manager_impl.cc
index eb370c5..9c8240d 100644
--- a/athena/wm/window_manager_impl.cc
+++ b/athena/wm/window_manager_impl.cc
@@ -426,7 +426,7 @@ void WindowManager::Shutdown() {
 }
 
 // static
-WindowManager* WindowManager::GetInstance() {
+WindowManager* WindowManager::Get() {
   DCHECK(instance);
   return instance;
 }
diff --git a/athena/wm/window_manager_unittest.cc b/athena/wm/window_manager_unittest.cc
index 9bcb5b8..9291667 100644
--- a/athena/wm/window_manager_unittest.cc
+++ b/athena/wm/window_manager_unittest.cc
@@ -44,7 +44,7 @@ TEST_F(WindowManagerTest, OverviewModeBasics) {
   test::WindowManagerImplTestApi wm_api;
   wm::ActivateWindow(second.get());
 
-  ASSERT_FALSE(WindowManager::GetInstance()->IsOverviewModeActive());
+  ASSERT_FALSE(WindowManager::Get()->IsOverviewModeActive());
   EXPECT_EQ(first->bounds().ToString(), second->bounds().ToString());
   EXPECT_EQ(gfx::Screen::GetNativeScreen()
                 ->GetPrimaryDisplay()
@@ -52,11 +52,11 @@ TEST_F(WindowManagerTest, OverviewModeBasics) {
                 .size()
                 .ToString(),
             first->bounds().size().ToString());
-  EXPECT_FALSE(WindowManager::GetInstance()->IsOverviewModeActive());
+  EXPECT_FALSE(WindowManager::Get()->IsOverviewModeActive());
 
   // Tests that going into overview mode does not change the window bounds.
-  WindowManager::GetInstance()->ToggleOverview();
-  ASSERT_TRUE(WindowManager::GetInstance()->IsOverviewModeActive());
+  WindowManager::Get()->ToggleOverview();
+  ASSERT_TRUE(WindowManager::Get()->IsOverviewModeActive());
   EXPECT_EQ(first->bounds().ToString(), second->bounds().ToString());
   EXPECT_EQ(gfx::Screen::GetNativeScreen()
                 ->GetPrimaryDisplay()
@@ -69,8 +69,8 @@ TEST_F(WindowManagerTest, OverviewModeBasics) {
 
   // Terminate overview mode. |first| should be hidden, since it's not visible
   // to the user anymore.
-  WindowManager::GetInstance()->ToggleOverview();
-  ASSERT_FALSE(WindowManager::GetInstance()->IsOverviewModeActive());
+  WindowManager::Get()->ToggleOverview();
+  ASSERT_FALSE(WindowManager::Get()->IsOverviewModeActive());
   EXPECT_FALSE(first->IsVisible());
   EXPECT_TRUE(second->IsVisible());
 }
@@ -84,7 +84,7 @@ TEST_F(WindowManagerTest, OverviewToSplitViewMode) {
   scoped_ptr<aura::Window> w3(CreateAndShowWindow(&delegate));
   wm::ActivateWindow(w3.get());
 
-  WindowManager::GetInstance()->ToggleOverview();
+  WindowManager::Get()->ToggleOverview();
   EXPECT_TRUE(w1->IsVisible());
   EXPECT_TRUE(w2->IsVisible());
   EXPECT_TRUE(w3->IsVisible());
@@ -102,7 +102,7 @@ TEST_F(WindowManagerTest, NewWindowFromOverview) {
   scoped_ptr<aura::Window> w1(CreateAndShowWindow(&delegate));
   scoped_ptr<aura::Window> w2(CreateAndShowWindow(&delegate));
 
-  WindowManager::GetInstance()->ToggleOverview();
+  WindowManager::Get()->ToggleOverview();
   EXPECT_TRUE(w1->IsVisible());
   EXPECT_TRUE(w2->IsVisible());
 
@@ -110,7 +110,7 @@ TEST_F(WindowManagerTest, NewWindowFromOverview) {
   // have been opened by JavaScript or by the home card.
   scoped_ptr<aura::Window> w3(CreateAndShowWindow(&delegate));
 
-  ASSERT_FALSE(WindowManager::GetInstance()->IsOverviewModeActive());
+  ASSERT_FALSE(WindowManager::Get()->IsOverviewModeActive());
   EXPECT_TRUE(w3->IsVisible());
   EXPECT_TRUE(wm::IsActiveWindow(w3.get()));
   EXPECT_FALSE(w1->IsVisible());
@@ -340,7 +340,7 @@ TEST_F(WindowManagerTest, OverviewModeFromSplitMode) {
 
   // Get into split-view mode, and then turn on overview mode.
   wm_api.GetSplitViewController()->ActivateSplitMode(NULL, NULL);
-  WindowManager::GetInstance()->ToggleOverview();
+  WindowManager::Get()->ToggleOverview();
   EXPECT_TRUE(wm_api.GetSplitViewController()->IsSplitViewModeActive());
   EXPECT_EQ(w3.get(), wm_api.GetSplitViewController()->left_window());
   EXPECT_EQ(w2.get(), wm_api.GetSplitViewController()->right_window());