Implement java-side browser sensor polling for device motion and device orientation DOM events.

content/browser/device_orientation/device_data.h

Index: content/browser/device_orientation/device_data.h
diff --git a/content/browser/device_orientation/device_data.h b/content/browser/device_orientation/device_data.h
index ae65618ac25fae3c03c1b9056b6261f145af9a40..e8c79add64c346ba31d1be34fc7453e03dc5104d 100644
--- a/content/browser/device_orientation/device_data.h
+++ b/content/browser/device_orientation/device_data.h
@@ -17,10 +17,12 @@ namespace content {
 class CONTENT_EXPORT DeviceData :
     public base::RefCountedThreadSafe<DeviceData> {
  public:
+  // TODO(timvolodine): move the DeviceData::Type enum to the service class
+  // once it is implemented.
   enum Type {
-    kTypeMotion,
-    kTypeOrientation,
-    kTypeTest
+    kTypeOrientation = 0,

[bulach, 2013/03/19 15:22:36]

nit: is this initialization necessary?

[timvolodine, 2013/03/19 16:50:08]

maybe not, but wanted to make sure it's ok when called through JNI to java.
This Class is intended to go anyway so will revisit this issue then.

+    kTypeMotion = 1,
+    kTypeTest = 100
   };
 
   virtual IPC::Message* CreateIPCMessage(int render_view_id) const = 0;