Consuming a touch move prevents only the next scroll update.

content/browser/renderer_host/input/touch_event_queue.h

Index: content/browser/renderer_host/input/touch_event_queue.h
diff --git a/content/browser/renderer_host/input/touch_event_queue.h b/content/browser/renderer_host/input/touch_event_queue.h
index 07dee38a48b767474032686cc7240b2a41598ff3..dd9e83f9fb08d2ab35c3bb9da2c2ed5b17da88e1 100644
--- a/content/browser/renderer_host/input/touch_event_queue.h
+++ b/content/browser/renderer_host/input/touch_event_queue.h
@@ -36,9 +36,8 @@ class CONTENT_EXPORT TouchEventQueueClient {
 // A queue for throttling and coalescing touch-events.
 class CONTENT_EXPORT TouchEventQueue {
  public:
-
   // The |client| must outlive the TouchEventQueue.
-  explicit TouchEventQueue(TouchEventQueueClient* client);
+  TouchEventQueue(TouchEventQueueClient* client);

[Rick Byers, 2014/02/13 21:59:25]

why did you need to make this non-explicit?  I assume we'd never want an
implicit conversion from TouchEventQueueClient* to TouchEventQueue...

[tdresser, 2014/02/14 13:52:42]

Done.

An artifact of my quick splitting up the patch into two parts - the next patch
adds an additional parameter, so the explicit will be removed.

   ~TouchEventQueue();
 
   // Adds an event to the queue. The event may be coalesced with previously