Implement Android shared memory data fetcher for Device Motion.

content/browser/device_orientation/data_fetcher_orientation_android.cc

+// Copyright (c) 2013 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 "content/browser/device_orientation/data_fetcher_orientation_android.h"
+
+#include "base/logging.h"
+#include "content/browser/device_orientation/data_fetcher_impl_android.h"
+
+namespace content {
+
+DataFetcherOrientationAndroid::DataFetcherOrientationAndroid() {
+}
+
+DataFetcherOrientationAndroid::~DataFetcherOrientationAndroid() {
+  DataFetcherImplAndroid::GetInstance()->Stop(DeviceData::kTypeOrientation);
+}
+
+DataFetcher* DataFetcherOrientationAndroid::Create() {
+  scoped_ptr<DataFetcherOrientationAndroid> fetcher(
+      new DataFetcherOrientationAndroid);
+  if (DataFetcherImplAndroid::GetInstance()->Start(
+      DeviceData::kTypeOrientation))
+    return fetcher.release();

[bulach, 2013/07/12 14:00:41]

nit: .pass() once it return scoped_ptr

[timvolodine, 2013/07/12 15:22:18]

let's handle this in a separate CL, because I think this change will impact some
refactoring in provider_impl.

+
+  DVLOG(2) << "DataFetcherImplAndroid::Start failed!";
+  return NULL;
+}
+
+const DeviceData* DataFetcherOrientationAndroid::GetDeviceData(
+    DeviceData::Type type) {
+  if (type != DeviceData::kTypeOrientation)
+    return NULL;
+  return DataFetcherImplAndroid::GetInstance()->GetDeviceData(type);
+}
+
+}  // namespace content