wip: Second crack at implementing the touch exploration mode.

ui/events/event_source.cc

 // Copyright 2013 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 "ui/events/event_source.h"
 
 #include <algorithm>
 
 #include "ui/events/event_processor.h"
 #include "ui/events/event_rewriter.h"
@@ skipping 12 matching lines @@
 }
 
 void EventSource::RemoveEventRewriter(EventRewriter* rewriter) {
   EventRewriterList::iterator find =
       std::find(rewriter_list_.begin(), rewriter_list_.end(), rewriter);
   if (find != rewriter_list_.end())
     rewriter_list_.erase(find);
 }
 
 EventDispatchDetails EventSource::SendEventToProcessor(Event* event) {
+  LOG(ERROR) << "EventSource::SendEventToProcessor";

[Daniel Erat, 2014/04/18 00:44:08]

delete

   scoped_ptr<Event> rewritten_event;
   EventRewriteStatus status = EVENT_REWRITE_CONTINUE;
   EventRewriterList::const_iterator it = rewriter_list_.begin(),
                                     end = rewriter_list_.end();
   for (; it != end; ++it) {
     status = (*it)->RewriteEvent(*event, &rewritten_event);
     if (status == EVENT_REWRITE_DISCARD) {
       CHECK(!rewritten_event);
       return EventDispatchDetails();
     }
@@ skipping 18 matching lines @@
     CHECK(new_event);
     details = DeliverEventToProcessor(new_event.get());
     if (details.dispatcher_destroyed)
       return details;
     rewritten_event.reset(new_event.release());
   }
   return EventDispatchDetails();
 }
 
 EventDispatchDetails EventSource::DeliverEventToProcessor(Event* event) {
+  LOG(ERROR) << "EventSource::DeliverEventToProcessor";
   EventProcessor* processor = GetEventProcessor();
   CHECK(processor);
   return processor->OnEventFromSource(event);
 }
 
 }  // namespace ui