chromeos: moves a bunch of tests to common_unittests

ash/extended_desktop_unittest.cc

Index: ash/extended_desktop_unittest.cc
diff --git a/ash/extended_desktop_unittest.cc b/ash/extended_desktop_unittest.cc
index 8747c721070012c61da6e4e5bba716ef35ce8f68..8dc73cbabb8bc3dc38076fc7f9f57a8c78da2868 100644
--- a/ash/extended_desktop_unittest.cc
+++ b/ash/extended_desktop_unittest.cc
@@ -751,16 +751,14 @@ TEST_F(ExtendedDesktopTest, StayInSameRootWindow) {
           kShellWindowId_SettingBubbleContainer);
   aura::Window* window =
       aura::test::CreateTestWindowWithId(100, settings_bubble_container);
-  window->SetBoundsInScreen(gfx::Rect(150, 10, 50, 50),
-                            display_manager()->GetSecondaryDisplay());
+  window->SetBoundsInScreen(gfx::Rect(150, 10, 50, 50), GetSecondaryDisplay());
   EXPECT_EQ(root_windows[0], window->GetRootWindow());
 
   aura::Window* status_container =
       Shell::GetPrimaryRootWindowController()->GetContainer(
           kShellWindowId_StatusContainer);
   window = aura::test::CreateTestWindowWithId(100, status_container);
-  window->SetBoundsInScreen(gfx::Rect(150, 10, 50, 50),
-                            display_manager()->GetSecondaryDisplay());
+  window->SetBoundsInScreen(gfx::Rect(150, 10, 50, 50), GetSecondaryDisplay());
   EXPECT_EQ(root_windows[0], window->GetRootWindow());
 }
 
@@ -773,8 +771,7 @@ TEST_F(ExtendedDesktopTest, KeyEventsOnLockScreen) {
       display::Screen::GetScreen()->GetPrimaryDisplay().bounds());
   widget1->Show();
   EXPECT_EQ(root_windows[0], widget1->GetNativeView()->GetRootWindow());
-  views::Widget* widget2 =
-      CreateTestWidget(display_manager()->GetSecondaryDisplay().bounds());
+  views::Widget* widget2 = CreateTestWidget(GetSecondaryDisplay().bounds());
   widget2->Show();
   EXPECT_EQ(root_windows[1], widget2->GetNativeView()->GetRootWindow());