[ash-md] Adds support for gesture to move selection in overview mode

ash/wm/overview/window_selector_unittest.cc

Index: ash/wm/overview/window_selector_unittest.cc
diff --git a/ash/wm/overview/window_selector_unittest.cc b/ash/wm/overview/window_selector_unittest.cc
index f114e13f9cf07c7b1f418c1d5683ffa70e54ef3d..d4e7f653def8bde25ac359264a4caa4995c6e779 100644
--- a/ash/wm/overview/window_selector_unittest.cc
+++ b/ash/wm/overview/window_selector_unittest.cc
@@ -1624,22 +1624,22 @@ TEST_F(WindowSelectorTest, BasicTabKeyNavigation) {
       GetWindowItemsForRoot(0);
   SendKey(ui::VKEY_TAB);
   EXPECT_EQ(GetSelectedWindow(),
-            WmWindow::GetAuraWindow(overview_windows[0]->GetWindow()));
-  SendKey(ui::VKEY_TAB);
-  EXPECT_EQ(GetSelectedWindow(),
             WmWindow::GetAuraWindow(overview_windows[1]->GetWindow()));
   SendKey(ui::VKEY_TAB);
   EXPECT_EQ(GetSelectedWindow(),
             WmWindow::GetAuraWindow(overview_windows[0]->GetWindow()));
+  SendKey(ui::VKEY_TAB);
+  EXPECT_EQ(GetSelectedWindow(),
+            WmWindow::GetAuraWindow(overview_windows[1]->GetWindow()));
 }
 
 // Tests that pressing Ctrl+W while a window is selected in overview closes it.
 TEST_F(WindowSelectorTest, CloseWindowWithKey) {
   gfx::Rect bounds(0, 0, 100, 100);
-  std::unique_ptr<aura::Window> window2(CreateWindow(bounds));
   std::unique_ptr<views::Widget> widget =
       CreateWindowWidget(gfx::Rect(0, 0, 400, 400));
   aura::Window* window1 = widget->GetNativeWindow();
+  std::unique_ptr<aura::Window> window2(CreateWindow(bounds));
   ToggleOverview();
 
   SendKey(ui::VKEY_RIGHT);
@@ -1664,8 +1664,8 @@ TEST_F(WindowSelectorTest, BasicArrowKeyNavigation) {
   // The rows contain variable number of items making vertical navigation not
   // feasible. [Down] is equivalent to [Right] and [Up] is equivalent to [Left].
   int index_path_for_direction[][test_windows + 1] = {
-      {1, 2, 3, 4, 5, 6, 7, 8, 9, 1},  // Right
-      {1, 2, 3, 4, 5, 6, 7, 8, 9, 1},  // Down (same as Right)
+      {2, 3, 4, 5, 6, 7, 8, 9, 1, 2},  // Right
+      {2, 3, 4, 5, 6, 7, 8, 9, 1, 2},  // Down (same as Right)
       {9, 8, 7, 6, 5, 4, 3, 2, 1, 9},  // Left
       {9, 8, 7, 6, 5, 4, 3, 2, 1, 9}   // Up (same as Left)
   };
@@ -1704,9 +1704,6 @@ TEST_F(WindowSelectorTest, BasicMultiMonitorArrowKeyNavigation) {
       GetWindowItemsForRoot(1);
   SendKey(ui::VKEY_RIGHT);
   EXPECT_EQ(GetSelectedWindow(),
-            WmWindow::GetAuraWindow(overview_root1[0]->GetWindow()));
-  SendKey(ui::VKEY_RIGHT);
-  EXPECT_EQ(GetSelectedWindow(),
             WmWindow::GetAuraWindow(overview_root1[1]->GetWindow()));
   SendKey(ui::VKEY_RIGHT);
   EXPECT_EQ(GetSelectedWindow(),
@@ -1714,6 +1711,9 @@ TEST_F(WindowSelectorTest, BasicMultiMonitorArrowKeyNavigation) {
   SendKey(ui::VKEY_RIGHT);
   EXPECT_EQ(GetSelectedWindow(),
             WmWindow::GetAuraWindow(overview_root2[1]->GetWindow()));
+  SendKey(ui::VKEY_RIGHT);
+  EXPECT_EQ(GetSelectedWindow(),
+            WmWindow::GetAuraWindow(overview_root1[0]->GetWindow()));
 }
 
 // Tests first monitor when display order doesn't match left to right screen