[Android] Use DIP coordinates for GestureFlingStart events

content/browser/android/content_view_core_impl.cc

Index: content/browser/android/content_view_core_impl.cc
diff --git a/content/browser/android/content_view_core_impl.cc b/content/browser/android/content_view_core_impl.cc
index 8d023829d8a25c2cba7e4a73c1c2436b9253f6d4..382db082ec38eaec66f344b737c010195ad0ca3a 100644
--- a/content/browser/android/content_view_core_impl.cc
+++ b/content/browser/android/content_view_core_impl.cc
@@ -1182,10 +1182,8 @@ void ContentViewCoreImpl::FlingStart(JNIEnv* env, jobject obj, jlong time_ms,
   WebGestureEvent event = MakeGestureEvent(
       WebInputEvent::GestureFlingStart, time_ms, x, y);
 
-  // Velocity should not be scaled by DIP since that interacts poorly with the
-  // deceleration constants.  The DIP scaling is done on the renderer.
-  event.data.flingStart.velocityX = vx;
-  event.data.flingStart.velocityY = vy;
+  event.data.flingStart.velocityX = vx / GetDpiScale();
+  event.data.flingStart.velocityY = vy / GetDpiScale();
 
   SendGestureEvent(event);
 }