Fix the full screen switching browser window dipping below launcher bar issue.

ash/wm/toplevel_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/toplevel_layout_manager.h"
 
 #include "ash/shell.h"
 #include "ash/shell_window_ids.h"
 #include "ash/test/ash_test_base.h"
 #include "ash/wm/shelf_layout_manager.h"
@@ skipping 15 matching lines @@
  public:
   ToplevelLayoutManagerTest() : layout_manager_(NULL) {}
   virtual ~ToplevelLayoutManagerTest() {}
 
   internal::ToplevelLayoutManager* layout_manager() {
     return layout_manager_;
   }
 
   virtual void SetUp() OVERRIDE {
     test::AshTestBase::SetUp();
-    Shell::GetRootWindow()->screen()->set_work_area_insets(
+    Shell::GetRootWindow()->SetScreenWorkAreaInsets(
         gfx::Insets(1, 2, 3, 4));
     Shell::GetRootWindow()->SetHostSize(gfx::Size(800, 600));
     aura::Window* default_container = Shell::GetInstance()->GetContainer(
         internal::kShellWindowId_DefaultContainer);
     layout_manager_ = new internal::ToplevelLayoutManager();
     default_container->SetLayoutManager(layout_manager_);
   }
 
   aura::Window* CreateTestWindow(const gfx::Rect& bounds) {
     return aura::test::CreateTestWindowWithBounds(bounds, NULL);
@@ skipping 46 matching lines @@
   gfx::Rect bounds(100, 100, 200, 200);
   scoped_ptr<aura::Window> window(CreateTestWindow(bounds));
   window->SetProperty(aura::client::kShowStateKey, ui::SHOW_STATE_FULLSCREEN);
   // Fullscreen window fills the whole monitor.
   EXPECT_EQ(gfx::Screen::GetMonitorAreaNearestWindow(window.get()),
             window->bounds());
   window->SetProperty(aura::client::kShowStateKey, ui::SHOW_STATE_NORMAL);
   EXPECT_EQ(bounds, window->bounds());
 }
 
+// Tests maximized window resizing on work area insets change.
+TEST_F(ToplevelLayoutManagerTest, ResizeMaximizedWindowOnWorkAreaInsetsChange)
+{

[sky, 2012/03/01 01:43:19]

{ on previous line, or wrap if > 80.

[jennyz, 2012/03/01 18:27:45]

Done.

+  gfx::Rect bounds(100, 100, 200, 200);
+  scoped_ptr<aura::Window> window(CreateTestWindow(bounds));
+  Shell::GetRootWindow()->SetScreenWorkAreaInsets(
+        gfx::Insets(0, 0, 30, 0));
+  window->SetProperty(aura::client::kShowStateKey, ui::SHOW_STATE_MAXIMIZED);
+  // Maximized window fills the work area.
+  EXPECT_EQ(gfx::Screen::GetMonitorWorkAreaNearestWindow(window.get()),
+            window->bounds());
+
+  // Change work area insets.
+  Shell::GetRootWindow()->SetScreenWorkAreaInsets(
+        gfx::Insets(0, 0, 60, 0));
+  // Maximized window fills the changed work area.
+  EXPECT_EQ(gfx::Screen::GetMonitorWorkAreaNearestWindow(window.get()),
+            window->bounds());
+}
+
 // Tests fullscreen window size during root window resize.
 TEST_F(ToplevelLayoutManagerTest, FullscreenRootWindowResize) {
   gfx::Rect bounds(100, 100, 200, 200);
   scoped_ptr<aura::Window> window(CreateTestWindow(bounds));
   // Fullscreen window fills the whole monitor.
   window->SetProperty(aura::client::kShowStateKey, ui::SHOW_STATE_FULLSCREEN);
   EXPECT_EQ(gfx::Screen::GetMonitorAreaNearestWindow(window.get()),
             window->bounds());
   // Enlarge the root window.  We should still match the monitor size.
   Shell::GetRootWindow()->SetHostSize(gfx::Size(800, 600));
@@ skipping 89 matching lines @@
   window.reset();
   // shelf_layout_manager is observing these animations so clean them up first.
   launcher->GetNativeView()->layer()->GetAnimator()->StopAnimating();
   status->GetNativeView()->layer()->GetAnimator()->StopAnimating();
   shelf_layout_manager.reset();
 }
 
 }  // namespace
 
 }  // namespace ash