Enable extended desktop by default.

ash/extended_desktop_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/display/display_controller.h"
 #include "ash/display/multi_display_manager.h"
 #include "ash/shell.h"
 #include "ash/test/ash_test_base.h"
 #include "ash/wm/window_cycle_controller.h"
 #include "ash/wm/window_util.h"
@@ skipping 40 matching lines @@
     return this;
   }
   virtual ui::ModalType GetModalType() const OVERRIDE {
     return ui::MODAL_TYPE_SYSTEM;
   }
 
  private:
   DISALLOW_COPY_AND_ASSIGN(ModalWidgetDelegate);
 };
 
+internal::MultiDisplayManager* GetDisplayManager() {
+  return static_cast<internal::MultiDisplayManager*>(
+      aura::Env::GetInstance()->display_manager());
+}
+
 }  // namespace
 
-class ExtendedDesktopTest : public test::AshTestBase {
- public:
-  ExtendedDesktopTest() {}
-  virtual ~ExtendedDesktopTest() {}
-
-  virtual void SetUp() OVERRIDE {
-    internal::DisplayController::SetExtendedDesktopEnabled(true);
-    AshTestBase::SetUp();
-  }
-
-  virtual void TearDown() OVERRIDE {
-    AshTestBase::TearDown();
-    internal::DisplayController::SetExtendedDesktopEnabled(false);
-  }
-
- protected:
-  internal::MultiDisplayManager* display_manager() {
-    return static_cast<internal::MultiDisplayManager*>(
-        aura::Env::GetInstance()->display_manager());
-  }
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(ExtendedDesktopTest);
-};
+typedef test::AshTestBase ExtendedDesktopTest;
 
 // Test conditions that root windows in extended desktop mode
 // must satisfy.
 TEST_F(ExtendedDesktopTest, Basic) {
   UpdateDisplay("1000x600,600x400");
   Shell::RootWindowList root_windows = Shell::GetAllRootWindows();
 
   // All root windows must have the root window controller.
   ASSERT_EQ(2U, root_windows.size());
   for (Shell::RootWindowList::const_iterator iter = root_windows.begin();
@@ skipping 336 matching lines @@
             w1_t1->GetWindowBoundsInScreen().ToString());
 }
 
 namespace internal {
 // Test if the Window::ConvertPointToWindow works across root windows.
 // TODO(oshima): Move multiple display suport and this test to aura.
 TEST_F(ExtendedDesktopTest, ConvertPoint) {
   UpdateDisplay("1000x600,600x400");
   Shell::RootWindowList root_windows = Shell::GetAllRootWindows();
   gfx::Display& display_1 =
-      display_manager()->FindDisplayForRootWindow(root_windows[0]);
+      GetDisplayManager()->FindDisplayForRootWindow(root_windows[0]);
   EXPECT_EQ("0,0", display_1.bounds().origin().ToString());
   gfx::Display& display_2 =
-      display_manager()->FindDisplayForRootWindow(root_windows[1]);
+      GetDisplayManager()->FindDisplayForRootWindow(root_windows[1]);
   EXPECT_EQ("1000,0", display_2.bounds().origin().ToString());
 
   aura::Window* d1 =
       CreateTestWidget(gfx::Rect(10, 10, 100, 100))->GetNativeView();
   aura::Window* d2 =
       CreateTestWidget(gfx::Rect(1020, 20, 100, 100))->GetNativeView();
   EXPECT_EQ(root_windows[0], d1->GetRootWindow());
   EXPECT_EQ(root_windows[1], d2->GetRootWindow());
 
   // Convert point in the Root2's window to the Root1's window Coord.
   gfx::Point p(0, 0);
   aura::Window::ConvertPointToWindow(root_windows[1], root_windows[0], &p);
   EXPECT_EQ("1000,0", p.ToString());
   p.SetPoint(0, 0);
   aura::Window::ConvertPointToWindow(d2, d1, &p);
   EXPECT_EQ("1010,10", p.ToString());
 
   // Convert point in the Root1's window to the Root2's window Coord.
   p.SetPoint(0, 0);
   aura::Window::ConvertPointToWindow(root_windows[0], root_windows[1], &p);
   EXPECT_EQ("-1000,0", p.ToString());
   p.SetPoint(0, 0);
   aura::Window::ConvertPointToWindow(d1, d2, &p);
   EXPECT_EQ("-1010,-10", p.ToString());
 
   // Move the 2nd display to the bottom and test again.
   Shell::GetInstance()->display_controller()->SetSecondaryDisplayLayout(
       internal::DisplayController::BOTTOM);
 
-  display_2 = display_manager()->FindDisplayForRootWindow(root_windows[1]);
+  display_2 = GetDisplayManager()->FindDisplayForRootWindow(root_windows[1]);
   EXPECT_EQ("0,600", display_2.bounds().origin().ToString());
 
   // Convert point in Root2's window to Root1's window Coord.
   p.SetPoint(0, 0);
   aura::Window::ConvertPointToWindow(root_windows[1], root_windows[0], &p);
   EXPECT_EQ("0,600", p.ToString());
   p.SetPoint(0, 0);
   aura::Window::ConvertPointToWindow(d2, d1, &p);
   EXPECT_EQ("10,610", p.ToString());
 
   // Convert point in Root1's window to Root2's window Coord.
   p.SetPoint(0, 0);
   aura::Window::ConvertPointToWindow(root_windows[0], root_windows[1], &p);
   EXPECT_EQ("0,-600", p.ToString());
   p.SetPoint(0, 0);
   aura::Window::ConvertPointToWindow(d1, d2, &p);
   EXPECT_EQ("-10,-610", p.ToString());
 }
 
 }  // namespace internal
 }  // namespace ash