Take screenshot of active window

ash/accelerators/accelerator_controller_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/accelerators/accelerator_controller.h"
 
 #include "ash/accelerators/accelerator_table.h"
 #include "ash/accessibility_delegate.h"
 #include "ash/ash_switches.h"
 #include "ash/display/display_manager.h"
@@ skipping 840 matching lines @@
     EXPECT_TRUE(ProcessInController(
         ui::Accelerator(ui::VKEY_MEDIA_LAUNCH_APP1, ui::EF_CONTROL_DOWN)));
     EXPECT_EQ(1, delegate->handle_take_screenshot_count());
     EXPECT_TRUE(
         ProcessInController(ui::Accelerator(
             ui::VKEY_PRINT, ui::EF_NONE)));
     EXPECT_EQ(2, delegate->handle_take_screenshot_count());
     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);
   const ui::Accelerator volume_up(ui::VKEY_VOLUME_UP, ui::EF_NONE);
   {
     TestVolumeControlDelegate* delegate = new TestVolumeControlDelegate;
     ash::Shell::GetInstance()->system_tray_delegate()->SetVolumeControlDelegate(
         std::unique_ptr<VolumeControlDelegate>(delegate));
     EXPECT_EQ(0, delegate->handle_volume_mute_count());
     EXPECT_TRUE(ProcessInController(volume_mute));
@@ skipping 705 matching lines @@
     EXPECT_TRUE(IsMessageCenterEmpty());
 
     // If the action is LOCK_SCREEN, we must reset the state by unlocking the
     // screen before we proceed testing the rest of accelerators.
     ResetStateIfNeeded();
   }
 }
 #endif  // defined(OS_CHROMEOS)
 
 }  // namespace ash