Added experimental Touch.tilt, Touch.tiltDirection support for Android

content/browser/renderer_host/input/motion_event_web.h

Index: content/browser/renderer_host/input/motion_event_web.h
diff --git a/content/browser/renderer_host/input/motion_event_web.h b/content/browser/renderer_host/input/motion_event_web.h
index f3d85abfc123b4a70fc89e211a240bc1e27b4aa3..d31c8507d9796818c29afdaf6448c0476b33a007 100644
--- a/content/browser/renderer_host/input/motion_event_web.h
+++ b/content/browser/renderer_host/input/motion_event_web.h
@@ -29,6 +29,7 @@ class MotionEventWeb : public ui::MotionEvent {
   float GetTouchMajor(size_t pointer_index) const override;
   float GetTouchMinor(size_t pointer_index) const override;
   float GetOrientation(size_t pointer_index) const override;
+  float GetTilt(size_t pointer_index) const override;
   float GetPressure(size_t pointer_index) const override;
   base::TimeTicks GetEventTime() const override;
   ToolType GetToolType(size_t pointer_index) const override;