Take a screenshot in maximize mode when volume down and power are pressed.

ash/wm/lock_state_controller_unittest.cc

Index: ash/wm/lock_state_controller_unittest.cc
diff --git a/ash/wm/lock_state_controller_unittest.cc b/ash/wm/lock_state_controller_unittest.cc
index f9c7dd5457d87275c569f6fc30ac872e79b3e5d4..7c3f0e25e871e1ba139883a083625b3d68024ccb 100644
--- a/ash/wm/lock_state_controller_unittest.cc
+++ b/ash/wm/lock_state_controller_unittest.cc
@@ -9,6 +9,7 @@
 #include "ash/shell.h"
 #include "ash/shell_window_ids.h"
 #include "ash/test/ash_test_base.h"
+#include "ash/test/test_lock_state_controller_delegate.h"
 #include "ash/test/test_shell_delegate.h"
 #include "ash/wm/power_button_controller.h"
 #include "ash/wm/session_state_animator.h"
@@ -68,32 +69,6 @@ void HideBackground() {
 
 } // namespace
 
-// Fake implementation of PowerButtonControllerDelegate that just logs requests
-// to lock the screen and shut down the device.
-class TestLockStateControllerDelegate : public LockStateControllerDelegate {
- public:
-  TestLockStateControllerDelegate()
-      : num_lock_requests_(0),
-        num_shutdown_requests_(0) {}
-
-  int num_lock_requests() const { return num_lock_requests_; }
-  int num_shutdown_requests() const { return num_shutdown_requests_; }
-
-  // LockStateControllerDelegate implementation.
-  virtual void RequestLockScreen() OVERRIDE {
-    num_lock_requests_++;
-  }
-  virtual void RequestShutdown() OVERRIDE {
-    num_shutdown_requests_++;
-  }
-
- private:
-  int num_lock_requests_;
-  int num_shutdown_requests_;
-
-  DISALLOW_COPY_AND_ASSIGN(TestLockStateControllerDelegate);
-};
-
 class LockStateControllerTest : public AshTestBase {
  public:
   LockStateControllerTest() : controller_(NULL), delegate_(NULL) {}