Refactor: Shelf Widget

ash/shelf/shelf_layout_manager_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 "ash/wm/shelf_layout_manager.h"
+#include "ash/shelf/shelf_layout_manager.h"
 
 #include "ash/accelerators/accelerator_controller.h"
 #include "ash/accelerators/accelerator_table.h"
 #include "ash/ash_switches.h"
 #include "ash/display/display_manager.h"
 #include "ash/focus_cycler.h"
 #include "ash/launcher/launcher.h"
+#include "ash/launcher/launcher_view.h"
 #include "ash/root_window_controller.h"
 #include "ash/screen_ash.h"
+#include "ash/shelf/shelf_widget.h"
 #include "ash/shell.h"
 #include "ash/shell_delegate.h"
 #include "ash/shell_window_ids.h"
 #include "ash/system/status_area_widget.h"
 #include "ash/system/tray/system_tray.h"
 #include "ash/system/tray/system_tray_item.h"
 #include "ash/test/ash_test_base.h"
 #include "ash/wm/window_util.h"
 #include "base/command_line.h"
 #include "base/utf_string_conversions.h"
@@ skipping 20 matching lines @@
 
 namespace {
 
 void StepWidgetLayerAnimatorToEnd(views::Widget* widget) {
   ui::AnimationContainerElement* element =
       static_cast<ui::AnimationContainerElement*>(
       widget->GetNativeView()->layer()->GetAnimator());
   element->Step(base::TimeTicks::Now() + base::TimeDelta::FromSeconds(1));
 }
 
+ShelfWidget* GetShelfWidget() {
+  return Shell::GetPrimaryRootWindowController()->shelf();
+}
+
 ShelfLayoutManager* GetShelfLayoutManager() {
-  return Shell::GetPrimaryRootWindowController()->shelf();
+  return Shell::GetPrimaryRootWindowController()->GetShelfLayoutManager();
 }
 
 SystemTray* GetSystemTray() {
   return Shell::GetPrimaryRootWindowController()->GetSystemTray();
 }
 
 class ShelfLayoutObserverTest : public ShelfLayoutManager::Observer {
  public:
   ShelfLayoutObserverTest()
       : changed_auto_hide_state_(false) {
@@ skipping 137 matching lines @@
 };
 
 // Fails on Mac only.  Need to be implemented.  http://crbug.com/111279.
 #if defined(OS_MACOSX) || defined(OS_WIN)
 #define MAYBE_SetVisible DISABLED_SetVisible
 #else
 #define MAYBE_SetVisible SetVisible
 #endif
 // Makes sure SetVisible updates work area and widget appropriately.
 TEST_F(ShelfLayoutManagerTest, MAYBE_SetVisible) {
-  ShelfLayoutManager* shelf = GetShelfLayoutManager();
+  ShelfWidget* shelf = GetShelfWidget();
+  ShelfLayoutManager* manager = shelf->shelf_layout_manager();
   // Force an initial layout.
-  shelf->LayoutShelf();
-  EXPECT_EQ(SHELF_VISIBLE, shelf->visibility_state());
+  manager->LayoutShelf();
+  EXPECT_EQ(SHELF_VISIBLE, manager->visibility_state());
 
   gfx::Rect status_bounds(
       shelf->status_area_widget()->GetWindowBoundsInScreen());
   gfx::Rect launcher_bounds(
-      shelf->launcher_widget()->GetWindowBoundsInScreen());
-  int shelf_height = shelf->GetIdealBounds().height();
+      shelf->GetWindowBoundsInScreen());
+  int shelf_height = manager->GetIdealBounds().height();
 
   const gfx::Display& display = Shell::GetInstance()->display_manager()->
       GetDisplayNearestWindow(Shell::GetPrimaryRootWindow());
   ASSERT_NE(-1, display.id());
   // Bottom inset should be the max of widget heights.
   EXPECT_EQ(shelf_height,
             display.bounds().bottom() - display.work_area().bottom());
 
   // Hide the shelf.
-  SetState(shelf, SHELF_HIDDEN);
+  SetState(manager, SHELF_HIDDEN);
   // Run the animation to completion.
-  StepWidgetLayerAnimatorToEnd(shelf->launcher_widget());
+  StepWidgetLayerAnimatorToEnd(shelf);
   StepWidgetLayerAnimatorToEnd(shelf->status_area_widget());
-  EXPECT_EQ(SHELF_HIDDEN, shelf->visibility_state());
+  EXPECT_EQ(SHELF_HIDDEN, manager->visibility_state());
   EXPECT_EQ(0,
             display.bounds().bottom() - display.work_area().bottom());
 
   // Make sure the bounds of the two widgets changed.
-  EXPECT_GE(shelf->launcher_widget()->GetNativeView()->bounds().y(),
+  EXPECT_GE(shelf->GetNativeView()->bounds().y(),
             Shell::GetScreen()->GetPrimaryDisplay().bounds().bottom());
   EXPECT_GE(shelf->status_area_widget()->GetNativeView()->bounds().y(),
             Shell::GetScreen()->GetPrimaryDisplay().bounds().bottom());
 
   // And show it again.
-  SetState(shelf, SHELF_VISIBLE);
+  SetState(manager, SHELF_VISIBLE);
   // Run the animation to completion.
-  StepWidgetLayerAnimatorToEnd(shelf->launcher_widget());
+  StepWidgetLayerAnimatorToEnd(shelf);
   StepWidgetLayerAnimatorToEnd(shelf->status_area_widget());
-  EXPECT_EQ(SHELF_VISIBLE, shelf->visibility_state());
+  EXPECT_EQ(SHELF_VISIBLE, manager->visibility_state());
   EXPECT_EQ(shelf_height,
             display.bounds().bottom() - display.work_area().bottom());
 
   // Make sure the bounds of the two widgets changed.
-  launcher_bounds = shelf->launcher_widget()->GetNativeView()->bounds();
+  launcher_bounds = shelf->GetNativeView()->bounds();
   int bottom =
       Shell::GetScreen()->GetPrimaryDisplay().bounds().bottom() - shelf_height;
   EXPECT_EQ(launcher_bounds.y(),
-            bottom + (shelf->GetIdealBounds().height() -
+            bottom + (manager->GetIdealBounds().height() -
                       launcher_bounds.height()) / 2);
   status_bounds = shelf->status_area_widget()->GetNativeView()->bounds();
   EXPECT_EQ(status_bounds.y(),
             bottom + shelf_height - status_bounds.height());
 }
 
 // Makes sure LayoutShelf invoked while animating cleans things up.
 TEST_F(ShelfLayoutManagerTest, LayoutShelfWhileAnimating) {
-  ShelfLayoutManager* shelf = GetShelfLayoutManager();
+  ShelfWidget* shelf = GetShelfWidget();
   // Force an initial layout.
-  shelf->LayoutShelf();
-  EXPECT_EQ(SHELF_VISIBLE, shelf->visibility_state());
+  shelf->shelf_layout_manager()->LayoutShelf();
+  EXPECT_EQ(SHELF_VISIBLE, shelf->shelf_layout_manager()->visibility_state());
 
   const gfx::Display& display = Shell::GetInstance()->display_manager()->
       GetDisplayNearestWindow(Shell::GetPrimaryRootWindow());
 
   // Hide the shelf.
-  SetState(shelf, SHELF_HIDDEN);
-  shelf->LayoutShelf();
-  EXPECT_EQ(SHELF_HIDDEN, shelf->visibility_state());
+  SetState(shelf->shelf_layout_manager(), SHELF_HIDDEN);
+  shelf->shelf_layout_manager()->LayoutShelf();
+  EXPECT_EQ(SHELF_HIDDEN, shelf->shelf_layout_manager()->visibility_state());
   EXPECT_EQ(0, display.bounds().bottom() - display.work_area().bottom());
 
   // Make sure the bounds of the two widgets changed.
-  EXPECT_GE(shelf->launcher_widget()->GetNativeView()->bounds().y(),
+  EXPECT_GE(shelf->GetNativeView()->bounds().y(),
             Shell::GetScreen()->GetPrimaryDisplay().bounds().bottom());
   EXPECT_GE(shelf->status_area_widget()->GetNativeView()->bounds().y(),
             Shell::GetScreen()->GetPrimaryDisplay().bounds().bottom());
 }
 
-// Makes sure the launcher is initially sized correctly.
-TEST_F(ShelfLayoutManagerTest, LauncherInitiallySized) {
-  Launcher* launcher = Launcher::ForPrimaryDisplay();
-  ASSERT_TRUE(launcher);
-  ShelfLayoutManager* shelf_layout_manager = GetShelfLayoutManager();
-  ASSERT_TRUE(shelf_layout_manager);
-  ASSERT_TRUE(shelf_layout_manager->status_area_widget());
-  int status_width = shelf_layout_manager->status_area_widget()->
-      GetWindowBoundsInScreen().width();
-  // Test only makes sense if the status is > 0, which is better be.
-  EXPECT_GT(status_width, 0);
-  EXPECT_EQ(status_width, launcher->status_size().width());
-}
-
 // Makes sure the launcher is sized when the status area changes size.
 TEST_F(ShelfLayoutManagerTest, LauncherUpdatedWhenStatusAreaChangesSize) {
   Launcher* launcher = Launcher::ForPrimaryDisplay();
   ASSERT_TRUE(launcher);
-  ShelfLayoutManager* shelf_layout_manager = GetShelfLayoutManager();
-  ASSERT_TRUE(shelf_layout_manager);
-  ASSERT_TRUE(shelf_layout_manager->status_area_widget());
-  shelf_layout_manager->status_area_widget()->SetBounds(
+  ShelfWidget* shelf_widget = GetShelfWidget();
+  ASSERT_TRUE(shelf_widget);
+  ASSERT_TRUE(shelf_widget->status_area_widget());
+  shelf_widget->status_area_widget()->SetBounds(
       gfx::Rect(0, 0, 200, 200));
-  EXPECT_EQ(200, launcher->status_size().width());
+  EXPECT_EQ(200, shelf_widget->GetContentsView()->width() -
+            launcher->GetLauncherViewForTest()->width());
 }
 
-// Verifies when the shell is deleted with a full screen window we don't
-// crash. This test is here as originally the crash was in ShelfLayoutManager.
-TEST_F(ShelfLayoutManagerTest, DontReferenceLauncherAfterDeletion) {
-  views::Widget* widget = new views::Widget;
-  views::Widget::InitParams params(views::Widget::InitParams::TYPE_WINDOW);
-  params.bounds = gfx::Rect(0, 0, 200, 200);
-  params.context = CurrentContext();
-  // Widget is now owned by the parent window.
-  widget->Init(params);
-  widget->SetFullscreen(true);
-}
 
 #if defined(OS_WIN)
 // RootWindow and Display can't resize on Windows Ash. http://crbug.com/165962
 #define MAYBE_AutoHide DISABLED_AutoHide
 #else
 #define MAYBE_AutoHide AutoHide
 #endif
 
 // Various assertions around auto-hide.
 TEST_F(ShelfLayoutManagerTest, MAYBE_AutoHide) {
@@ skipping 11 matching lines @@
   widget->Init(params);
   widget->Maximize();
   widget->Show();
   EXPECT_EQ(SHELF_AUTO_HIDE, shelf->visibility_state());
   EXPECT_EQ(SHELF_AUTO_HIDE_HIDDEN, shelf->auto_hide_state());
 
   // LayoutShelf() forces the animation to completion, at which point the
   // launcher should go off the screen.
   shelf->LayoutShelf();
   EXPECT_EQ(root->bounds().bottom() - ShelfLayoutManager::kAutoHideSize,
-            shelf->launcher_widget()->GetWindowBoundsInScreen().y());
+            GetShelfWidget()->GetWindowBoundsInScreen().y());
   EXPECT_EQ(root->bounds().bottom() - ShelfLayoutManager::kAutoHideSize,
             Shell::GetScreen()->GetDisplayNearestWindow(
                 root).work_area().bottom());
 
   // Move the mouse to the bottom of the screen.
   generator.MoveMouseTo(0, root->bounds().bottom() - 1);
 
   // Shelf should be shown again (but it shouldn't have changed the work area).
   SetState(shelf, SHELF_AUTO_HIDE);
   EXPECT_EQ(SHELF_AUTO_HIDE_SHOWN, shelf->auto_hide_state());
   shelf->LayoutShelf();
   EXPECT_EQ(root->bounds().bottom() - shelf->GetIdealBounds().height(),
-            shelf->launcher_widget()->GetWindowBoundsInScreen().y());
+            GetShelfWidget()->GetWindowBoundsInScreen().y());
   EXPECT_EQ(root->bounds().bottom() - ShelfLayoutManager::kAutoHideSize,
             Shell::GetScreen()->GetDisplayNearestWindow(
                 root).work_area().bottom());
 
   // Move mouse back up.
   generator.MoveMouseTo(0, 0);
   SetState(shelf, SHELF_AUTO_HIDE);
   EXPECT_EQ(SHELF_AUTO_HIDE_HIDDEN, shelf->auto_hide_state());
   shelf->LayoutShelf();
   EXPECT_EQ(root->bounds().bottom() - ShelfLayoutManager::kAutoHideSize,
-            shelf->launcher_widget()->GetWindowBoundsInScreen().y());
+            GetShelfWidget()->GetWindowBoundsInScreen().y());
 
   // Drag mouse to bottom of screen.
   generator.PressLeftButton();
   generator.MoveMouseTo(0, root->bounds().bottom() - 1);
   UpdateAutoHideStateNow();
   EXPECT_EQ(SHELF_AUTO_HIDE_HIDDEN, shelf->auto_hide_state());
 
   generator.ReleaseLeftButton();
   generator.MoveMouseTo(1, root->bounds().bottom() - 1);
   UpdateAutoHideStateNow();
@@ skipping 23 matching lines @@
   widget->Maximize();
   widget->Show();
   EXPECT_EQ(SHELF_AUTO_HIDE, shelf->visibility_state());
   EXPECT_EQ(SHELF_AUTO_HIDE_HIDDEN, shelf->auto_hide_state());
 
   aura::RootWindow* root = Shell::GetPrimaryRootWindow();
   // LayoutShelf() forces the animation to completion, at which point the
   // launcher should go off the screen.
   shelf->LayoutShelf();
   EXPECT_EQ(root->bounds().bottom() - ShelfLayoutManager::kAutoHideSize,
-            shelf->launcher_widget()->GetWindowBoundsInScreen().y());
+            GetShelfWidget()->GetWindowBoundsInScreen().y());
 
   aura::Window* lock_container = Shell::GetContainer(
       Shell::GetPrimaryRootWindow(),
       internal::kShellWindowId_LockScreenContainer);
 
   views::Widget* lock_widget = new views::Widget;
   views::Widget::InitParams lock_params(
       views::Widget::InitParams::TYPE_WINDOW);
   lock_params.bounds = gfx::Rect(0, 0, 200, 200);
   params.context = CurrentContext();
@@ skipping 74 matching lines @@
   params.context = CurrentContext();
   // Widget is now owned by the parent window.
   widget->Init(params);
   widget->Show();
   shelf->SetAutoHideBehavior(SHELF_AUTO_HIDE_BEHAVIOR_ALWAYS);
   EXPECT_EQ(SHELF_AUTO_HIDE, shelf->visibility_state());
   EXPECT_EQ(SHELF_AUTO_HIDE_HIDDEN, shelf->auto_hide_state());
 
   // Focus the launcher. Have to go through the focus cycler as normal focus
   // requests to it do nothing.
-  shelf->launcher()->GetFocusCycler()->RotateFocus(FocusCycler::FORWARD);
+  GetShelfWidget()->GetFocusCycler()->RotateFocus(FocusCycler::FORWARD);
   EXPECT_EQ(SHELF_AUTO_HIDE_SHOWN, shelf->auto_hide_state());
 
   widget->Activate();
   EXPECT_EQ(SHELF_AUTO_HIDE_HIDDEN, shelf->auto_hide_state());
 
   // Trying to activate the status should fail, since we only allow activating
   // it when the user is using the keyboard (i.e. through FocusCycler).
-  shelf->status_area_widget()->Activate();
+  GetShelfWidget()->status_area_widget()->Activate();
   EXPECT_EQ(SHELF_AUTO_HIDE_HIDDEN, shelf->auto_hide_state());
 
-  shelf->launcher()->GetFocusCycler()->RotateFocus(FocusCycler::FORWARD);
+  GetShelfWidget()->GetFocusCycler()->RotateFocus(FocusCycler::FORWARD);
   EXPECT_EQ(SHELF_AUTO_HIDE_SHOWN, shelf->auto_hide_state());
 }
 
 // Makes sure shelf will be visible when app list opens as shelf is in
 // SHELF_VISIBLE state,and toggling app list won't change shelf
 // visibility state.
 TEST_F(ShelfLayoutManagerTest, OpenAppListWithShelfVisibleState) {
   Shell* shell = Shell::GetInstance();
-  internal::RootWindowController* controller =
-      Shell::GetPrimaryRootWindowController();
   ShelfLayoutManager* shelf = GetShelfLayoutManager();
   shelf->LayoutShelf();
-  controller->SetShelfAutoHideBehavior(SHELF_AUTO_HIDE_BEHAVIOR_NEVER);
+  shelf->SetAutoHideBehavior(SHELF_AUTO_HIDE_BEHAVIOR_NEVER);
 
   // Create a normal unmaximized windowm shelf should be visible.
   aura::Window* window = CreateTestWindow();
   window->SetBounds(gfx::Rect(0, 0, 100, 100));
   window->Show();
   EXPECT_FALSE(shell->GetAppListTargetVisibility());
   EXPECT_EQ(SHELF_VISIBLE, shelf->visibility_state());
 
   // Toggle app list to show, and the shelf stays visible.
   shell->ToggleAppList(NULL);
   EXPECT_TRUE(shell->GetAppListTargetVisibility());
   EXPECT_EQ(SHELF_VISIBLE, shelf->visibility_state());
 
   // Toggle app list to hide, and the shelf stays visible.
   shell->ToggleAppList(NULL);
   EXPECT_FALSE(shell->GetAppListTargetVisibility());
   EXPECT_EQ(SHELF_VISIBLE, shelf->visibility_state());
 }
 
 // Makes sure shelf will be shown with SHELF_AUTO_HIDE_SHOWN state
 // when app list opens as shelf is in SHELF_AUTO_HIDE state, and
 // toggling app list won't change shelf visibility state.
 TEST_F(ShelfLayoutManagerTest, OpenAppListWithShelfAutoHideState) {
   Shell* shell = Shell::GetInstance();
   ShelfLayoutManager* shelf = GetShelfLayoutManager();
-  internal::RootWindowController* controller =
-      Shell::GetPrimaryRootWindowController();
   shelf->LayoutShelf();
-  controller->SetShelfAutoHideBehavior(SHELF_AUTO_HIDE_BEHAVIOR_ALWAYS);
+  shelf->SetAutoHideBehavior(SHELF_AUTO_HIDE_BEHAVIOR_ALWAYS);
 
   // Create a window and show it in maximized state.
   aura::Window* window = CreateTestWindow();
   window->SetBounds(gfx::Rect(0, 0, 100, 100));
   window->SetProperty(aura::client::kShowStateKey, ui::SHOW_STATE_MAXIMIZED);
   window->Show();
   wm::ActivateWindow(window);
 
   EXPECT_FALSE(shell->GetAppListTargetVisibility());
   EXPECT_EQ(SHELF_AUTO_HIDE, shelf->visibility_state());
@@ skipping 54 matching lines @@
 // Tests SHELF_ALIGNMENT_(LEFT, RIGHT, TOP).
 TEST_F(ShelfLayoutManagerTest, MAYBE_SetAlignment) {
   ShelfLayoutManager* shelf = GetShelfLayoutManager();
   // Force an initial layout.
   shelf->SetAutoHideBehavior(SHELF_AUTO_HIDE_BEHAVIOR_NEVER);
   shelf->LayoutShelf();
   EXPECT_EQ(SHELF_VISIBLE, shelf->visibility_state());
 
   shelf->SetAlignment(SHELF_ALIGNMENT_LEFT);
   gfx::Rect launcher_bounds(
-      shelf->launcher_widget()->GetWindowBoundsInScreen());
+      GetShelfWidget()->GetWindowBoundsInScreen());
   const internal::DisplayManager* manager =
       Shell::GetInstance()->display_manager();
   gfx::Display display =
       manager->GetDisplayNearestWindow(Shell::GetPrimaryRootWindow());
   ASSERT_NE(-1, display.id());
   EXPECT_EQ(shelf->GetIdealBounds().width(),
             display.GetWorkAreaInsets().left());
   EXPECT_GE(
       launcher_bounds.width(),
-      shelf->launcher_widget()->GetContentsView()->GetPreferredSize().width());
+      GetShelfWidget()->GetContentsView()->GetPreferredSize().width());
   EXPECT_EQ(SHELF_ALIGNMENT_LEFT, GetSystemTray()->shelf_alignment());
-  StatusAreaWidget* status_area_widget = shelf->status_area_widget();
+  StatusAreaWidget* status_area_widget = GetShelfWidget()->status_area_widget();
   gfx::Rect status_bounds(status_area_widget->GetWindowBoundsInScreen());
   EXPECT_GE(status_bounds.width(),
             status_area_widget->GetContentsView()->GetPreferredSize().width());
   EXPECT_EQ(shelf->GetIdealBounds().width(),
             display.GetWorkAreaInsets().left());
   EXPECT_EQ(0, display.GetWorkAreaInsets().top());
   EXPECT_EQ(0, display.GetWorkAreaInsets().bottom());
   EXPECT_EQ(0, display.GetWorkAreaInsets().right());
   EXPECT_EQ(display.bounds().x(), launcher_bounds.x());
   EXPECT_EQ(display.bounds().y(), launcher_bounds.y());
   EXPECT_EQ(display.bounds().height(), launcher_bounds.height());
   shelf->SetAutoHideBehavior(SHELF_AUTO_HIDE_BEHAVIOR_ALWAYS);
   display = manager->GetDisplayNearestWindow(Shell::GetPrimaryRootWindow());
   EXPECT_EQ(ShelfLayoutManager::kAutoHideSize,
       display.GetWorkAreaInsets().left());
   EXPECT_EQ(ShelfLayoutManager::kAutoHideSize, display.work_area().x());
 
   shelf->SetAutoHideBehavior(SHELF_AUTO_HIDE_BEHAVIOR_NEVER);
   shelf->SetAlignment(SHELF_ALIGNMENT_RIGHT);
   display = manager->GetDisplayNearestWindow(Shell::GetPrimaryRootWindow());
-  launcher_bounds = shelf->launcher_widget()->GetWindowBoundsInScreen();
+  launcher_bounds = GetShelfWidget()->GetWindowBoundsInScreen();
   display = manager->GetDisplayNearestWindow(Shell::GetPrimaryRootWindow());
   ASSERT_NE(-1, display.id());
   EXPECT_EQ(shelf->GetIdealBounds().width(),
             display.GetWorkAreaInsets().right());
   EXPECT_GE(launcher_bounds.width(),
-      shelf->launcher_widget()->GetContentsView()->GetPreferredSize().width());
+      GetShelfWidget()->GetContentsView()->GetPreferredSize().width());
   EXPECT_EQ(SHELF_ALIGNMENT_RIGHT, GetSystemTray()->shelf_alignment());
   status_bounds = gfx::Rect(status_area_widget->GetWindowBoundsInScreen());
   EXPECT_GE(status_bounds.width(),
             status_area_widget->GetContentsView()->GetPreferredSize().width());
   EXPECT_EQ(shelf->GetIdealBounds().width(),
             display.GetWorkAreaInsets().right());
   EXPECT_EQ(0, display.GetWorkAreaInsets().top());
   EXPECT_EQ(0, display.GetWorkAreaInsets().bottom());
   EXPECT_EQ(0, display.GetWorkAreaInsets().left());
   EXPECT_EQ(display.work_area().right(), launcher_bounds.x());
   EXPECT_EQ(display.bounds().y(), launcher_bounds.y());
   EXPECT_EQ(display.bounds().height(), launcher_bounds.height());
   shelf->SetAutoHideBehavior(SHELF_AUTO_HIDE_BEHAVIOR_ALWAYS);
   display = manager->GetDisplayNearestWindow(Shell::GetPrimaryRootWindow());
   EXPECT_EQ(ShelfLayoutManager::kAutoHideSize,
       display.GetWorkAreaInsets().right());
   EXPECT_EQ(ShelfLayoutManager::kAutoHideSize,
       display.bounds().right() - display.work_area().right());
 
   shelf->SetAutoHideBehavior(SHELF_AUTO_HIDE_BEHAVIOR_NEVER);
   shelf->SetAlignment(SHELF_ALIGNMENT_TOP);
   display = manager->GetDisplayNearestWindow(Shell::GetPrimaryRootWindow());
-  launcher_bounds = shelf->launcher_widget()->GetWindowBoundsInScreen();
+  launcher_bounds = GetShelfWidget()->GetWindowBoundsInScreen();
   display = manager->GetDisplayNearestWindow(Shell::GetPrimaryRootWindow());
   ASSERT_NE(-1, display.id());
   EXPECT_EQ(shelf->GetIdealBounds().height(),
             display.GetWorkAreaInsets().top());
   EXPECT_GE(launcher_bounds.height(),
-      shelf->launcher_widget()->GetContentsView()->GetPreferredSize().height());
+      GetShelfWidget()->GetContentsView()->GetPreferredSize().height());
   EXPECT_EQ(SHELF_ALIGNMENT_TOP, GetSystemTray()->shelf_alignment());
   status_bounds = gfx::Rect(status_area_widget->GetWindowBoundsInScreen());
   EXPECT_GE(status_bounds.height(),
             status_area_widget->GetContentsView()->GetPreferredSize().height());
   EXPECT_EQ(shelf->GetIdealBounds().height(),
             display.GetWorkAreaInsets().top());
   EXPECT_EQ(0, display.GetWorkAreaInsets().right());
   EXPECT_EQ(0, display.GetWorkAreaInsets().bottom());
   EXPECT_EQ(0, display.GetWorkAreaInsets().left());
   EXPECT_EQ(display.work_area().y(), launcher_bounds.bottom());
   EXPECT_EQ(display.bounds().x(), launcher_bounds.x());
   EXPECT_EQ(display.bounds().width(), launcher_bounds.width());
   shelf->SetAutoHideBehavior(SHELF_AUTO_HIDE_BEHAVIOR_ALWAYS);
   display = manager->GetDisplayNearestWindow(Shell::GetPrimaryRootWindow());
   EXPECT_EQ(ShelfLayoutManager::kAutoHideSize,
       display.GetWorkAreaInsets().top());
   EXPECT_EQ(ShelfLayoutManager::kAutoHideSize,
             display.work_area().y() - display.bounds().y());
 }
 
 #if defined(OS_WIN)
 // RootWindow and Display can't resize on Windows Ash. http://crbug.com/165962
 #define MAYBE_GestureDrag DISABLED_GestureDrag
 #else
 #define MAYBE_GestureDrag GestureDrag
 #endif
 
 TEST_F(ShelfLayoutManagerTest, MAYBE_GestureDrag) {
   ShelfLayoutManager* shelf = GetShelfLayoutManager();
-  internal::RootWindowController* controller =
-      Shell::GetPrimaryRootWindowController();
-  controller->SetShelfAutoHideBehavior(SHELF_AUTO_HIDE_BEHAVIOR_NEVER);
+  shelf->SetAutoHideBehavior(SHELF_AUTO_HIDE_BEHAVIOR_NEVER);
   shelf->LayoutShelf();
 
   views::Widget* widget = new views::Widget;
   views::Widget::InitParams params(views::Widget::InitParams::TYPE_WINDOW);
   params.bounds = gfx::Rect(0, 0, 200, 200);
   params.context = CurrentContext();
   widget->Init(params);
   widget->Show();
   widget->Maximize();
 
   aura::Window* window = widget->GetNativeWindow();
 
-  gfx::Rect shelf_shown = shelf->launcher_widget()->GetWindowBoundsInScreen();
+  gfx::Rect shelf_shown = GetShelfWidget()->GetWindowBoundsInScreen();
   gfx::Rect bounds_shelf = window->bounds();
   EXPECT_EQ(SHELF_VISIBLE, shelf->visibility_state());
 
   aura::test::EventGenerator generator(Shell::GetPrimaryRootWindow());
 
   // Swipe up on the shelf. This should not change any state.
-  gfx::Point start =
-      shelf->launcher_widget()->GetWindowBoundsInScreen().CenterPoint();
+  gfx::Point start = GetShelfWidget()->GetWindowBoundsInScreen().CenterPoint();
   gfx::Point end(start.x(), start.y() + 100);
 
   // Swipe down on the shelf to hide it.
   end.set_y(start.y() + 100);
   generator.GestureScrollSequence(start, end,
       base::TimeDelta::FromMilliseconds(10), 1);
   EXPECT_EQ(SHELF_AUTO_HIDE, shelf->visibility_state());
   EXPECT_EQ(SHELF_AUTO_HIDE_HIDDEN, shelf->auto_hide_state());
   EXPECT_EQ(SHELF_AUTO_HIDE_BEHAVIOR_ALWAYS, shelf->auto_hide_behavior());
   EXPECT_NE(bounds_shelf.ToString(), window->bounds().ToString());
   EXPECT_NE(shelf_shown.ToString(),
-            shelf->launcher_widget()->GetWindowBoundsInScreen().ToString());
+            GetShelfWidget()->GetWindowBoundsInScreen().ToString());
 
   gfx::Rect bounds_noshelf = window->bounds();
-  gfx::Rect shelf_hidden = shelf->launcher_widget()->GetWindowBoundsInScreen();
+  gfx::Rect shelf_hidden = GetShelfWidget()->GetWindowBoundsInScreen();
 
   // Swipe up to show the shelf.
   generator.GestureScrollSequence(end, start,
       base::TimeDelta::FromMilliseconds(10), 1);
   EXPECT_EQ(SHELF_VISIBLE, shelf->visibility_state());
   EXPECT_EQ(SHELF_AUTO_HIDE_BEHAVIOR_NEVER, shelf->auto_hide_behavior());
   EXPECT_EQ(bounds_shelf.ToString(), window->bounds().ToString());
   EXPECT_EQ(shelf_shown.ToString(),
-            shelf->launcher_widget()->GetWindowBoundsInScreen().ToString());
+            GetShelfWidget()->GetWindowBoundsInScreen().ToString());
 
   // Swipe up again. The shelf should hide.
   end.set_y(start.y() - 100);
   generator.GestureScrollSequence(start, end,
       base::TimeDelta::FromMilliseconds(10), 1);
   EXPECT_EQ(SHELF_AUTO_HIDE, shelf->visibility_state());
   EXPECT_EQ(SHELF_AUTO_HIDE_HIDDEN, shelf->auto_hide_state());
   EXPECT_EQ(SHELF_AUTO_HIDE_BEHAVIOR_ALWAYS, shelf->auto_hide_behavior());
   EXPECT_EQ(shelf_hidden.ToString(),
-            shelf->launcher_widget()->GetWindowBoundsInScreen().ToString());
+            GetShelfWidget()->GetWindowBoundsInScreen().ToString());
 
   // Swipe up yet again to show it.
   end.set_y(start.y() + 100);
   generator.GestureScrollSequence(end, start,
       base::TimeDelta::FromMilliseconds(10), 1);
 
   // Swipe down very little. It shouldn't change any state.
   end.set_y(start.y() + shelf_shown.height() * 3 / 10);
   generator.GestureScrollSequence(start, end,
       base::TimeDelta::FromMilliseconds(100), 1);
   EXPECT_EQ(SHELF_VISIBLE, shelf->visibility_state());
   EXPECT_EQ(SHELF_AUTO_HIDE_BEHAVIOR_NEVER, shelf->auto_hide_behavior());
   EXPECT_EQ(bounds_shelf.ToString(), window->bounds().ToString());
   EXPECT_EQ(shelf_shown.ToString(),
-            shelf->launcher_widget()->GetWindowBoundsInScreen().ToString());
+            GetShelfWidget()->GetWindowBoundsInScreen().ToString());
 
   // Swipe down again to hide.
   end.set_y(start.y() + 100);
   generator.GestureScrollSequence(start, end,
       base::TimeDelta::FromMilliseconds(10), 1);
   EXPECT_EQ(SHELF_AUTO_HIDE, shelf->visibility_state());
   EXPECT_EQ(SHELF_AUTO_HIDE_HIDDEN, shelf->auto_hide_state());
   EXPECT_EQ(SHELF_AUTO_HIDE_BEHAVIOR_ALWAYS, shelf->auto_hide_behavior());
   EXPECT_EQ(bounds_noshelf.ToString(), window->bounds().ToString());
   EXPECT_EQ(shelf_hidden.ToString(),
-            shelf->launcher_widget()->GetWindowBoundsInScreen().ToString());
+            GetShelfWidget()->GetWindowBoundsInScreen().ToString());
 
   // Swipe up yet again to show it.
   end.set_y(start.y() + 100);
   generator.GestureScrollSequence(end, start,
       base::TimeDelta::FromMilliseconds(10), 1);
   EXPECT_EQ(SHELF_VISIBLE, shelf->visibility_state());
   EXPECT_EQ(SHELF_AUTO_HIDE_BEHAVIOR_NEVER, shelf->auto_hide_behavior());
 
   // Tap on the shelf itself. This should not change anything.
   generator.GestureTapAt(start);
@@ skipping 83 matching lines @@
   CreateTestWidget();
 
   aura::test::EventGenerator generator(Shell::GetPrimaryRootWindow());
   SystemTray* tray = GetSystemTray();
 
   // First, make sure the shelf is visible.
   shelf->SetAutoHideBehavior(SHELF_AUTO_HIDE_BEHAVIOR_NEVER);
   EXPECT_FALSE(tray->HasSystemBubble());
 
   // Now, drag up on the tray to show the bubble.
-  gfx::Point start =
-      shelf->status_area_widget()->GetWindowBoundsInScreen().CenterPoint();
+  gfx::Point start = GetShelfWidget()->status_area_widget()->
+      GetWindowBoundsInScreen().CenterPoint();
   gfx::Point end(start.x(), start.y() - 100);
   generator.GestureScrollSequence(start, end,
       base::TimeDelta::FromMilliseconds(10), 1);
   EXPECT_TRUE(tray->HasSystemBubble());
   tray->CloseBubbleForTest();
   RunAllPendingInMessageLoop();
   EXPECT_FALSE(tray->HasSystemBubble());
 
   // Drag again, but only a small amount, and slowly. The bubble should not be
   // visible.
@@ skipping 102 matching lines @@
 // Confirm that the shelf is dimmed only when content is maximized and
 // shelf is not autohidden.
 TEST_F(ShelfLayoutManagerTest, Dimming) {
   GetShelfLayoutManager()->SetAutoHideBehavior(SHELF_AUTO_HIDE_BEHAVIOR_NEVER);
   scoped_ptr<aura::Window> w1(CreateTestWindow());
   w1->Show();
   wm::ActivateWindow(w1.get());
 
   // Normal window doesn't dim shelf.
   w1->SetProperty(aura::client::kShowStateKey, ui::SHOW_STATE_NORMAL);
-  Launcher* launcher = Launcher::ForPrimaryDisplay();
-  EXPECT_FALSE(launcher->GetDimsShelf());
+  ShelfWidget* shelf = GetShelfWidget();
+  EXPECT_FALSE(shelf->GetDimsShelf());
 
   // Maximized window does.
   w1->SetProperty(aura::client::kShowStateKey, ui::SHOW_STATE_MAXIMIZED);
-  EXPECT_TRUE(launcher->GetDimsShelf());
+  EXPECT_TRUE(shelf->GetDimsShelf());
 
   // Change back to normal stops dimming.
   w1->SetProperty(aura::client::kShowStateKey, ui::SHOW_STATE_NORMAL);
-  EXPECT_FALSE(launcher->GetDimsShelf());
+  EXPECT_FALSE(shelf->GetDimsShelf());
 
   // Changing back to maximized dims again.
   w1->SetProperty(aura::client::kShowStateKey, ui::SHOW_STATE_MAXIMIZED);
-  EXPECT_TRUE(launcher->GetDimsShelf());
+  EXPECT_TRUE(shelf->GetDimsShelf());
 
   // Changing shelf to autohide stops dimming.
   GetShelfLayoutManager()->SetAutoHideBehavior(SHELF_AUTO_HIDE_BEHAVIOR_ALWAYS);
-  EXPECT_FALSE(launcher->GetDimsShelf());
+  EXPECT_FALSE(shelf->GetDimsShelf());
 }
 
 // Make sure that the shelf will not hide if the mouse is between a bubble and
 // the shelf.
 TEST_F(ShelfLayoutManagerTest, BubbleEnlargesShelfMouseHitArea) {
   ShelfLayoutManager* shelf = GetShelfLayoutManager();
   StatusAreaWidget* status_area_widget =
-      Shell::GetPrimaryRootWindowController()->status_area_widget();
+      Shell::GetPrimaryRootWindowController()->shelf()->status_area_widget();
   SystemTray* tray = GetSystemTray();
 
   // Create a visible window so auto-hide behavior is enforced.
   CreateTestWidget();
 
   shelf->LayoutShelf();
   aura::test::EventGenerator generator(Shell::GetPrimaryRootWindow());
 
   // Make two iterations - first without a message bubble which should make
   // the shelf disappear and then with a message bubble which should keep it
@@ skipping 28 matching lines @@
       EXPECT_TRUE(status_area_widget->IsMessageBubbleShown());
     } else {
       EXPECT_FALSE(shelf->IsVisible());
       EXPECT_FALSE(status_area_widget->IsMessageBubbleShown());
     }
   }
 }
 
 }  // namespace internal
 }  // namespace ash