Provide access to the WindowEventDispatcher as a ui::EventProcessor.

ui/aura/test/aura_test_base.cc

Index: ui/aura/test/aura_test_base.cc
diff --git a/ui/aura/test/aura_test_base.cc b/ui/aura/test/aura_test_base.cc
index b4926fbb06ffcc2eeb2cb1b532d5254a2cd43980..ec7eb95404989a790b6085df4008a41284fd34ed 100644
--- a/ui/aura/test/aura_test_base.cc
+++ b/ui/aura/test/aura_test_base.cc
@@ -8,10 +8,10 @@
 #include "ui/aura/test/aura_test_helper.h"
 #include "ui/aura/test/test_window_delegate.h"
 #include "ui/aura/window.h"
-#include "ui/aura/window_event_dispatcher.h"
 #include "ui/base/ime/input_method_initializer.h"
 #include "ui/compositor/test/context_factories_for_test.h"
 #include "ui/events/event_dispatcher.h"
+#include "ui/events/event_processor.h"
 #include "ui/events/gestures/gesture_configuration.h"
 
 namespace aura {
@@ -113,7 +113,8 @@ void AuraTestBase::ParentWindow(Window* window) {
 }
 
 bool AuraTestBase::DispatchEventUsingWindowDispatcher(ui::Event* event) {
-  ui::EventDispatchDetails details = dispatcher()->OnEventFromSource(event);
+  ui::EventDispatchDetails details =
+      event_processor()->OnEventFromSource(event);
   CHECK(!details.dispatcher_destroyed);
   return event->handled();
 }