1 files changed, 22 insertions, 2 deletions
diff --git a/chromium/ui/events/event_source.h b/chromium/ui/events/event_source.h
index f8da9e6635e..ca8b00f514b 100644
--- a/chromium/ui/events/event_source.h
+++ b/chromium/ui/events/event_source.h
@@ -5,23 +5,43 @@
 #ifndef UI_EVENTS_EVENT_SOURCE_H_
 #define UI_EVENTS_EVENT_SOURCE_H_
 
+#include <vector>
+
+#include "ui/events/event_dispatcher.h"
 #include "ui/events/events_export.h"
 
 namespace ui {
 
 class Event;
 class EventProcessor;
+class EventRewriter;
 
 // EventSource receives events from the native platform (e.g. X11, win32 etc.)
 // and sends the events to an EventProcessor.
 class EVENTS_EXPORT EventSource {
  public:
-  virtual ~EventSource() {}
+  EventSource();
+  virtual ~EventSource();
 
   virtual EventProcessor* GetEventProcessor() = 0;
 
+  // Adds a rewriter to modify events before they are sent to the
+  // EventProcessor. The rewriter must be explicitly removed from the
+  // EventSource before the rewriter is destroyed. The EventSource
+  // does not take ownership of the rewriter.
+  void AddEventRewriter(EventRewriter* rewriter);
+  void RemoveEventRewriter(EventRewriter* rewriter);
+
  protected:
-  void SendEventToProcessor(Event* event);
+  EventDispatchDetails SendEventToProcessor(Event* event);
+
+ private:
+  friend class EventSourceTestApi;
+
+  typedef std::vector<EventRewriter*> EventRewriterList;
+  EventDispatchDetails DeliverEventToProcessor(Event* event);
+  EventRewriterList rewriter_list_;
+  DISALLOW_COPY_AND_ASSIGN(EventSource);
 };
 
 }  // namespace ui