Take screenshot of active window

ash/accelerators/accelerator_controller_unittest.cc

Index: ash/accelerators/accelerator_controller_unittest.cc
diff --git a/ash/accelerators/accelerator_controller_unittest.cc b/ash/accelerators/accelerator_controller_unittest.cc
index 9a696779eea67f56b6084ec93a854343ab620f5c..7a19c2e67d233c3c5f5cddd6f8a4fc9faf4828b0 100644
--- a/ash/accelerators/accelerator_controller_unittest.cc
+++ b/ash/accelerators/accelerator_controller_unittest.cc
@@ -858,6 +858,17 @@ TEST_F(AcceleratorControllerTest, GlobalAccelerators) {
     EXPECT_TRUE(ProcessInController(ui::Accelerator(
         ui::VKEY_MEDIA_LAUNCH_APP1, ui::EF_SHIFT_DOWN | ui::EF_CONTROL_DOWN)));
     EXPECT_EQ(2, delegate->handle_take_screenshot_count());
+    // None active window test case.
+    EXPECT_TRUE(ProcessInController(ui::Accelerator(
+        ui::VKEY_MEDIA_LAUNCH_APP1, ui::EF_ALT_DOWN | ui::EF_CONTROL_DOWN)));
+    EXPECT_EQ(0, delegate->handle_take_window_screenshot_count());
+    // Active window test case.
+    std::unique_ptr<aura::Window> window;
+    window.reset(CreateTestWindowInShellWithBounds(gfx::Rect(5, 5, 20, 20)));
+    wm::ActivateWindow(window.get());
+    EXPECT_TRUE(ProcessInController(ui::Accelerator(
+        ui::VKEY_MEDIA_LAUNCH_APP1, ui::EF_ALT_DOWN | ui::EF_CONTROL_DOWN)));
+    EXPECT_EQ(1, delegate->handle_take_window_screenshot_count());
   }
   const ui::Accelerator volume_mute(ui::VKEY_VOLUME_MUTE, ui::EF_NONE);
   const ui::Accelerator volume_down(ui::VKEY_VOLUME_DOWN, ui::EF_NONE);