Pass MotionEvent tilt angles to Blink on Android.

ui/events/gesture_detection/motion_event_generic.cc

Index: ui/events/gesture_detection/motion_event_generic.cc
diff --git a/ui/events/gesture_detection/motion_event_generic.cc b/ui/events/gesture_detection/motion_event_generic.cc
index 2f2c34b11c5688bcf1c1cc3922e9f14198322ea1..51a099d46f101b691a827e92d9b8e1fcf9ff0e4c 100644
--- a/ui/events/gesture_detection/motion_event_generic.cc
+++ b/ui/events/gesture_detection/motion_event_generic.cc
@@ -24,6 +24,10 @@ PointerProperties::PointerProperties(float x, float y, float touch_major)
       touch_major(touch_major),
       touch_minor(0),
       orientation(0),
+      tilt(0),
+      tilt_orientation(0),
+      tilt_x(0),
+      tilt_y(0),
       source_device_id(0) {
 }
 
@@ -39,6 +43,10 @@ PointerProperties::PointerProperties(const MotionEvent& event,
       touch_major(event.GetTouchMajor(pointer_index)),
       touch_minor(event.GetTouchMinor(pointer_index)),
       orientation(event.GetOrientation(pointer_index)),
+      tilt(event.GetTilt(pointer_index)),
+      tilt_orientation(event.GetTiltOrientation(pointer_index)),
+      tilt_x(event.GetTiltX(pointer_index)),
+      tilt_y(event.GetTiltY(pointer_index)),
       source_device_id(0) {
 }
 
@@ -134,6 +142,26 @@ float MotionEventGeneric::GetPressure(size_t pointer_index) const {
   return pointers_[pointer_index].pressure;
 }
 
+float MotionEventGeneric::GetTilt(size_t pointer_index) const {
+  DCHECK_LT(pointer_index, pointers_->size());
+  return pointers_[pointer_index].tilt;
+}
+
+float MotionEventGeneric::GetTiltOrientation(size_t pointer_index) const {
+  DCHECK_LT(pointer_index, pointers_->size());
+  return pointers_[pointer_index].tilt_orientation;
+}
+
+float MotionEventGeneric::GetTiltX(size_t pointer_index) const {
+  DCHECK_LT(pointer_index, pointers_->size());
+  return pointers_[pointer_index].tilt_x;
+}
+
+float MotionEventGeneric::GetTiltY(size_t pointer_index) const {
+  DCHECK_LT(pointer_index, pointers_->size());
+  return pointers_[pointer_index].tilt_y;
+}
+
 MotionEvent::ToolType MotionEventGeneric::GetToolType(
     size_t pointer_index) const {
   DCHECK_LT(pointer_index, pointers_->size());