Update shelf spacing in Chrome OS according to the MD specs

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/shelf/shelf_layout_manager.h"
 
 #include "ash/accelerators/accelerator_controller.h"
 #include "ash/accelerators/accelerator_table.h"
 #include "ash/ash_switches.h"
 #include "ash/common/session/session_state_delegate.h"
+#include "ash/common/shelf/shelf_constants.h"
 #include "ash/common/shell_window_ids.h"
 #include "ash/common/system/tray/system_tray_item.h"
 #include "ash/common/wm/window_state.h"
 #include "ash/display/display_manager.h"
 #include "ash/display/window_tree_host_manager.h"
 #include "ash/focus_cycler.h"
 #include "ash/root_window_controller.h"
 #include "ash/shelf/shelf.h"
 #include "ash/shelf/shelf_layout_manager_observer.h"
 #include "ash/shelf/shelf_locking_manager.h"
@@ skipping 827 matching lines @@
   // Widget is now owned by the parent window.
   widget->Init(params);
   widget->Maximize();
   widget->Show();
   EXPECT_EQ(SHELF_AUTO_HIDE, shelf->GetVisibilityState());
   EXPECT_EQ(SHELF_AUTO_HIDE_HIDDEN, shelf->GetAutoHideState());
 
   // LayoutShelf() forces the animation to completion, at which point the
   // shelf should go off the screen.
   layout_manager->LayoutShelf();
-  EXPECT_EQ(root->bounds().bottom() - ShelfLayoutManager::kAutoHideSize,
+  EXPECT_EQ(root->bounds().bottom() - kShelfAutoHideSize,
             GetShelfWidget()->GetWindowBoundsInScreen().y());
-  EXPECT_EQ(root->bounds().bottom() - ShelfLayoutManager::kAutoHideSize,
+  EXPECT_EQ(root->bounds().bottom() - kShelfAutoHideSize,
             display::Screen::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(layout_manager, SHELF_AUTO_HIDE);
   EXPECT_EQ(SHELF_AUTO_HIDE_SHOWN, shelf->GetAutoHideState());
   layout_manager->LayoutShelf();
   EXPECT_EQ(root->bounds().bottom() - layout_manager->GetIdealBounds().height(),
             GetShelfWidget()->GetWindowBoundsInScreen().y());
-  EXPECT_EQ(root->bounds().bottom() - ShelfLayoutManager::kAutoHideSize,
+  EXPECT_EQ(root->bounds().bottom() - kShelfAutoHideSize,
             display::Screen::GetScreen()
                 ->GetDisplayNearestWindow(root)
                 .work_area()
                 .bottom());
 
   // Move mouse back up.
   generator.MoveMouseTo(0, 0);
   SetState(layout_manager, SHELF_AUTO_HIDE);
   EXPECT_EQ(SHELF_AUTO_HIDE_HIDDEN, shelf->GetAutoHideState());
   layout_manager->LayoutShelf();
-  EXPECT_EQ(root->bounds().bottom() - ShelfLayoutManager::kAutoHideSize,
+  EXPECT_EQ(root->bounds().bottom() - kShelfAutoHideSize,
             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->GetAutoHideState());
 
   generator.ReleaseLeftButton();
   generator.MoveMouseTo(1, root->bounds().bottom() - 1);
@@ skipping 121 matching lines @@
   widget->Init(params);
   widget->Maximize();
   widget->Show();
   EXPECT_EQ(SHELF_AUTO_HIDE, shelf->GetVisibilityState());
   EXPECT_EQ(SHELF_AUTO_HIDE_HIDDEN, shelf->GetAutoHideState());
 
   aura::Window* root = Shell::GetPrimaryRootWindow();
   // LayoutShelf() forces the animation to completion, at which point the
   // shelf should go off the screen.
   layout_manager->LayoutShelf();
-  EXPECT_EQ(root->bounds().bottom() - ShelfLayoutManager::kAutoHideSize,
+  EXPECT_EQ(root->bounds().bottom() - kShelfAutoHideSize,
             GetShelfWidget()->GetWindowBoundsInScreen().y());
 
   aura::Window* lock_container = Shell::GetContainer(
       Shell::GetPrimaryRootWindow(), 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 656 matching lines @@
   EXPECT_EQ(layout_manager->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(), shelf_bounds.x());
   EXPECT_EQ(display.bounds().y(), shelf_bounds.y());
   EXPECT_EQ(display.bounds().height(), shelf_bounds.height());
   shelf->SetAutoHideBehavior(SHELF_AUTO_HIDE_BEHAVIOR_ALWAYS);
   display = screen->GetDisplayNearestWindow(Shell::GetPrimaryRootWindow());
-  EXPECT_EQ(ShelfLayoutManager::kAutoHideSize,
-      display.GetWorkAreaInsets().left());
-  EXPECT_EQ(ShelfLayoutManager::kAutoHideSize, display.work_area().x());
+  EXPECT_EQ(kShelfAutoHideSize, display.GetWorkAreaInsets().left());
+  EXPECT_EQ(kShelfAutoHideSize, display.work_area().x());
 
   shelf->SetAutoHideBehavior(SHELF_AUTO_HIDE_BEHAVIOR_NEVER);
   shelf->SetAlignment(SHELF_ALIGNMENT_RIGHT);
   display = screen->GetDisplayNearestWindow(Shell::GetPrimaryRootWindow());
   shelf_bounds = GetShelfWidget()->GetWindowBoundsInScreen();
   display = screen->GetDisplayNearestWindow(Shell::GetPrimaryRootWindow());
   ASSERT_NE(-1, display.id());
   EXPECT_EQ(layout_manager->GetIdealBounds().width(),
             display.GetWorkAreaInsets().right());
   EXPECT_GE(shelf_bounds.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(layout_manager->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(), shelf_bounds.x());
   EXPECT_EQ(display.bounds().y(), shelf_bounds.y());
   EXPECT_EQ(display.bounds().height(), shelf_bounds.height());
   shelf->SetAutoHideBehavior(SHELF_AUTO_HIDE_BEHAVIOR_ALWAYS);
   display = screen->GetDisplayNearestWindow(Shell::GetPrimaryRootWindow());
-  EXPECT_EQ(ShelfLayoutManager::kAutoHideSize,
-      display.GetWorkAreaInsets().right());
-  EXPECT_EQ(ShelfLayoutManager::kAutoHideSize,
-      display.bounds().right() - display.work_area().right());
+  EXPECT_EQ(kShelfAutoHideSize, display.GetWorkAreaInsets().right());
+  EXPECT_EQ(kShelfAutoHideSize,
+            display.bounds().right() - display.work_area().right());
 }
 
 TEST_F(ShelfLayoutManagerTest, GestureEdgeSwipe) {
   Shelf* shelf = GetShelf();
   ShelfLayoutManager* layout_manager = GetShelfLayoutManager();
   shelf->SetAutoHideBehavior(SHELF_AUTO_HIDE_BEHAVIOR_NEVER);
   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();
@@ skipping 545 matching lines @@
                                              ->shelf_widget()
                                              ->status_area_widget();
   EXPECT_TRUE(status_area_widget->IsVisible());
   // Shelf should be in the first display's area.
   gfx::Rect status_area_bounds(status_area_widget->GetWindowBoundsInScreen());
   EXPECT_TRUE(gfx::Rect(0, 0, 500, 400).Contains(status_area_bounds));
   EXPECT_EQ(gfx::Point(500, 400), status_area_bounds.bottom_right());
 }
 
 }  // namespace ash