Vibration API : migrate to device/vibration using mojo.

device/vibration/vibration_manager_impl.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 "device/vibration/vibration_manager_impl.h"
+
+#include "base/bind.h"
+#include "device/vibration/vibration_provider.h"
+
+namespace device {
+
+namespace {
+VibrationProvider* g_provider_override = NULL;
+const int64 kMinimumVibrationDurationMs = 1;  // 1 millisecond
+const int64 kMaximumVibrationDurationMs = 10000;  // 10 seconds
+}
+
+//static
+void VibrationManagerImpl::Create(
+    mojo::InterfaceRequest<VibrationManager> request) {
+  BindToRequest(new VibrationManagerImpl(), &request);
+}
+
+VibrationManagerImpl::VibrationManagerImpl()
+    : provider_(g_provider_override ? g_provider_override : CreateProvider()) {
+}
+
+VibrationManagerImpl::~VibrationManagerImpl() {
+}
+
+void VibrationManagerImpl::Vibrate(int64 milliseconds) {
+  if (!provider_)
+    return;
+
+  // Though the Blink implementation already sanitizes vibration times, don't
+  // trust any values passed from the renderer.
+  int64 sanitized_milliseconds = std::max(kMinimumVibrationDurationMs,
+      std::min(milliseconds, kMaximumVibrationDurationMs));
+
+  provider_->Vibrate(sanitized_milliseconds);
+}
+
+void VibrationManagerImpl::Cancel() {
+  if (provider_)
+    provider_->CancelVibration();
+}
+
+#if !defined(OS_ANDROID)
+// static
+VibrationProvider* VibrationManagerImpl::CreateProvider() {
+  return NULL;
+}
+#endif
+
+// static
+void VibrationManagerImpl::SetOverrideVibrationProvider(
+    VibrationProvider* provider) {
+  g_provider_override = provider;
+}
+
+}  // namespace device