[Android] Perform eager gesture recognition on MotionEvents

content/browser/renderer_host/render_widget_host_view_android.cc

Index: content/browser/renderer_host/render_widget_host_view_android.cc
diff --git a/content/browser/renderer_host/render_widget_host_view_android.cc b/content/browser/renderer_host/render_widget_host_view_android.cc
index 4f53cd0bf5291fbf61c8648ea3c666ceb0d03ab1..c310899863121c44b103613592bb552a0752adb9 100644
--- a/content/browser/renderer_host/render_widget_host_view_android.cc
+++ b/content/browser/renderer_host/render_widget_host_view_android.cc
@@ -1070,15 +1070,17 @@ void RenderWidgetHostViewAndroid::UnhandledWheelEvent(
 }
 
 void RenderWidgetHostViewAndroid::GestureEventAck(
-    int gesture_event_type,
+    const blink::WebGestureEvent& event,
     InputEventAckState ack_result) {
-  if (gesture_event_type == blink::WebInputEvent::GestureScrollUpdate &&
+  if (event.type == blink::WebInputEvent::GestureScrollUpdate &&
       ack_result == INPUT_EVENT_ACK_STATE_CONSUMED) {
     content_view_core_->OnScrollUpdateGestureConsumed();
   }
-  if (gesture_event_type == blink::WebInputEvent::GestureFlingStart &&
+  if (event.type == blink::WebInputEvent::GestureFlingStart &&
       ack_result == INPUT_EVENT_ACK_STATE_NO_CONSUMER_EXISTS) {
-    content_view_core_->UnhandledFlingStartEvent();
+    content_view_core_->UnhandledFlingStartEvent(
+        event.data.flingStart.velocityX,
+        event.data.flingStart.velocityY);
   }
 }
 
@@ -1202,7 +1204,6 @@ void RenderWidgetHostViewAndroid::SendTouchEvent(
     host_->ForwardTouchEventWithLatencyInfo(event, CreateLatencyInfo(event));
 }
 
-
 void RenderWidgetHostViewAndroid::SendMouseEvent(
     const blink::WebMouseEvent& event) {
   if (host_)
@@ -1222,7 +1223,7 @@ void RenderWidgetHostViewAndroid::SendGestureEvent(
    overscroll_effect_->Enable();
 
   if (host_)
-    host_->ForwardGestureEventWithLatencyInfo(event, CreateLatencyInfo(event));
+    host_->ForwardGestureEvent(event);
 }
 
 void RenderWidgetHostViewAndroid::SelectRange(const gfx::Point& start,
@@ -1334,8 +1335,6 @@ void RenderWidgetHostViewAndroid::RunAckCallbacks() {
 
 void RenderWidgetHostViewAndroid::HasTouchEventHandlers(
     bool need_touch_events) {
-  if (content_view_core_)
-    content_view_core_->HasTouchEventHandlers(need_touch_events);
 }
 
 void RenderWidgetHostViewAndroid::OnCompositingDidCommit() {