Touch Events - changedTouches list includes non-changed touch points on Android

content/common/input/synthetic_web_input_event_builders.cc

Index: content/common/input/synthetic_web_input_event_builders.cc
diff --git a/content/common/input/synthetic_web_input_event_builders.cc b/content/common/input/synthetic_web_input_event_builders.cc
index 675df618d8ddbd5e2db690cdbde2a397b3dfa4f8..8883621a7d68e0f15ac4b9a7b403491291be572f 100644
--- a/content/common/input/synthetic_web_input_event_builders.cc
+++ b/content/common/input/synthetic_web_input_event_builders.cc
@@ -177,6 +177,10 @@ int SyntheticWebTouchEvent::PressPoint(float x, float y) {
   point.position.y = point.screenPosition.y = y;
   point.state = WebTouchPoint::StatePressed;
   point.radiusX = point.radiusY = 1.f;
+  // Lets give some default values for testing.
+  point.rotationAngle = 1.f;
+  point.force = 1.f;
+
   ++touchesLength;
   WebTouchEventTraits::ResetType(
       WebInputEvent::TouchStart, timeStampSeconds, this);
@@ -197,6 +201,38 @@ void SyntheticWebTouchEvent::MovePoint(int index, float x, float y) {
       WebInputEvent::TouchMove, timeStampSeconds, this);
 }
 
+void SyntheticWebTouchEvent::ChangePointRadius(
+    int index,
+    float radiusX,
+    float radiusY) {
+  CHECK_GE(index, 0);
+  CHECK_LT(index, touchesLengthCap);
+  // Set this bit as in MovePoint().
+  causesScrollingIfUncanceled = true;
+  WebTouchPoint& point = touches[index];
+  point.radiusX = radiusX;
+  point.radiusY = radiusY;
+  touches[index].state = WebTouchPoint::StateMoved;
+  WebTouchEventTraits::ResetType(
+      WebInputEvent::TouchMove, timeStampSeconds, this);
+}
+
+void SyntheticWebTouchEvent::ChangePointRotationAngleAndForce(
+    int index,
+    float rotationAngle,
+    float force) {
+  CHECK_GE(index, 0);
+  CHECK_LT(index, touchesLengthCap);
+  // Set this bit as in MovePoint().
+  causesScrollingIfUncanceled = true;
+  WebTouchPoint& point = touches[index];
+  point.rotationAngle = rotationAngle;
+  point.force = force;
+  touches[index].state = WebTouchPoint::StateMoved;
+  WebTouchEventTraits::ResetType(
+      WebInputEvent::TouchMove, timeStampSeconds, this);
+}
+
 void SyntheticWebTouchEvent::ReleasePoint(int index) {
   CHECK_GE(index, 0);
   CHECK_LT(index, touchesLengthCap);