wip: Second crack at implementing the touch exploration mode.

ui/events/event_source.cc

Index: ui/events/event_source.cc
diff --git a/ui/events/event_source.cc b/ui/events/event_source.cc
index 0f3dfb80a0a4baa867e436aae2ba4b130a00eedb..83f89931eb0f51fc2b6757dc67922a8279c58a76 100644
--- a/ui/events/event_source.cc
+++ b/ui/events/event_source.cc
@@ -30,6 +30,7 @@ void EventSource::RemoveEventRewriter(EventRewriter* rewriter) {
 }
 
 EventDispatchDetails EventSource::SendEventToProcessor(Event* event) {
+  LOG(ERROR) << "EventSource::SendEventToProcessor";
   scoped_ptr<Event> rewritten_event;
   EventRewriteStatus status = EVENT_REWRITE_CONTINUE;
   EventRewriterList::const_iterator it = rewriter_list_.begin(),
@@ -68,6 +69,7 @@ EventDispatchDetails EventSource::SendEventToProcessor(Event* event) {
 }
 
 EventDispatchDetails EventSource::DeliverEventToProcessor(Event* event) {
+  LOG(ERROR) << "EventSource::DeliverEventToProcessor";
   EventProcessor* processor = GetEventProcessor();
   CHECK(processor);
   return processor->OnEventFromSource(event);