Reland Device Orientation API on Chrome OS

content/browser/device_sensors/data_fetcher_shared_memory.h

Index: content/browser/device_sensors/data_fetcher_shared_memory.h
diff --git a/content/browser/device_sensors/data_fetcher_shared_memory.h b/content/browser/device_sensors/data_fetcher_shared_memory.h
index a5d1f824ce9cf6534609ec63e29d9dfb1ecc4ccb..a0d9828c2a5b81858b4f3aa20481d6dc001ac2be 100644
--- a/content/browser/device_sensors/data_fetcher_shared_memory.h
+++ b/content/browser/device_sensors/data_fetcher_shared_memory.h
@@ -22,7 +22,9 @@ class SuddenMotionSensor;
 
 namespace content {
 
-#if defined(OS_MACOSX)
+#if defined(OS_CHROMEOS)
+class SensorManagerChromeOS;
+#elif defined(OS_MACOSX)
 class AmbientLightSensor;
 #endif
 
@@ -42,7 +44,10 @@ class CONTENT_EXPORT DataFetcherSharedMemory
   DeviceOrientationHardwareBuffer* orientation_buffer_;
   DeviceLightHardwareBuffer* light_buffer_;
 #endif
-#if defined(OS_MACOSX)
+
+#if defined(OS_CHROMEOS)
+  scoped_ptr<SensorManagerChromeOS> sensor_manager_;
+#elif defined(OS_MACOSX)
   void Fetch(unsigned consumer_bitmask) override;
   FetcherType GetType() const override;