Let the browser know the end of fling

content/browser/renderer_host/render_widget_host_view_android.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/browser/renderer_host/render_widget_host_view_android.h"
 
 #include <android/bitmap.h>
 
 #include "base/basictypes.h"
 #include "base/bind.h"
@@ skipping 1054 matching lines @@
   // intentionally empty, like RenderWidgetHostViewViews
 }
 
 void RenderWidgetHostViewAndroid::GestureEventAck(
     int gesture_event_type,
     InputEventAckState ack_result) {
   if (gesture_event_type == blink::WebInputEvent::GestureScrollUpdate &&
       ack_result == INPUT_EVENT_ACK_STATE_CONSUMED) {
     content_view_core_->OnScrollUpdateGestureConsumed();
   }
-  if (gesture_event_type == blink::WebInputEvent::GestureFlingStart &&
-      ack_result == INPUT_EVENT_ACK_STATE_NO_CONSUMER_EXISTS) {
-    content_view_core_->UnhandledFlingStartEvent();
+  if (gesture_event_type == blink::WebInputEvent::GestureFlingStart) {
+    content_view_core_->OnFlingStartEventAck(ack_result);
   }
 }
 
 InputEventAckState RenderWidgetHostViewAndroid::FilterInputEvent(
     const blink::WebInputEvent& input_event) {
   if (!host_)
     return INPUT_EVENT_ACK_STATE_NOT_CONSUMED;
 
   if (input_event.type == blink::WebInputEvent::GestureTapDown ||
       input_event.type == blink::WebInputEvent::TouchStart) {
@@ skipping 199 matching lines @@
     return;
 
   if (overscroll_effect_->OnOverscrolled(content_view_core_->GetLayer(),
                                          base::TimeTicks::Now(),
                                          accumulated_overscroll,
                                          current_fling_velocity)) {
     content_view_core_->SetNeedsAnimate();
   }
 }
 
+void RenderWidgetHostViewAndroid::DidStopFlinging() {
+  if (content_view_core_)
+    content_view_core_->DidStopFlinging();
+}
+
 void RenderWidgetHostViewAndroid::SetContentViewCore(
     ContentViewCoreImpl* content_view_core) {
   RunAckCallbacks();
 
   if (are_layers_attached_)
     RemoveLayers();
 
   if (content_view_core_ && !using_synchronous_compositor_)
     content_view_core_->GetWindowAndroid()->RemoveObserver(this);
 
@@ skipping 141 matching lines @@
 // RenderWidgetHostView, public:
 
 // static
 RenderWidgetHostView*
 RenderWidgetHostView::CreateViewForWidget(RenderWidgetHost* widget) {
   RenderWidgetHostImpl* rwhi = RenderWidgetHostImpl::From(widget);
   return new RenderWidgetHostViewAndroid(rwhi, NULL);
 }
 
 } // namespace content