Implement DeviceMotionEvent API

ash/content/display/screen_orientation_controller_chromeos_unittest.cc

 // Copyright 2014 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/ash_switches.h"
 #include "ash/content/display/screen_orientation_controller_chromeos.h"
 #include "ash/display/display_info.h"
 #include "ash/display/display_manager.h"
 #include "ash/shell.h"
 #include "ash/test/ash_test_base.h"
@@ skipping 54 matching lines @@
   Shell::GetInstance()->display_manager()->SetDisplayRotation(
       gfx::Display::InternalDisplayId(), rotation);
 }
 
 void SetRotationLocked(bool rotation_locked) {
   Shell::GetInstance()->screen_orientation_controller()->SetRotationLocked(
       rotation_locked);
 }
 
 void TriggerLidUpdate(const gfx::Vector3dF& lid) {
-  chromeos::AccelerometerUpdate update;
-  update.Set(chromeos::ACCELEROMETER_SOURCE_SCREEN, lid.x(), lid.y(), lid.z());
+  scoped_refptr<chromeos::AccelerometerUpdate> update(
+      new chromeos::AccelerometerUpdate());
+  update->Set(chromeos::ACCELEROMETER_SOURCE_SCREEN, lid.x(), lid.y(), lid.z());
   Shell::GetInstance()->screen_orientation_controller()->OnAccelerometerUpdated(
       update);
 }
 
 // Attaches the NativeView of |web_contents| to |parent| without changing the
 // currently active window.
 void AttachWebContents(content::WebContents* web_contents,
                        aura::Window* parent) {
   aura::Window* window = web_contents->GetNativeView();
   window->Show();
@@ skipping 495 matching lines @@
 
   SetRotationLocked(true);
   EXPECT_TRUE(RotationLocked());
   EXPECT_EQ(gfx::Display::ROTATE_0, Rotation());
 
   TriggerLidUpdate(gfx::Vector3dF(0.0f, kMeanGravity, 0.0f));
   EXPECT_EQ(gfx::Display::ROTATE_0, GetInternalDisplayRotation());
 }
 
 }  // namespace ash