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

content/browser/web_contents/web_contents_view_aura_browsertest.cc

Index: content/browser/web_contents/web_contents_view_aura_browsertest.cc
diff --git a/content/browser/web_contents/web_contents_view_aura_browsertest.cc b/content/browser/web_contents/web_contents_view_aura_browsertest.cc
index 95e41b861c700b0421ce9e39009b3a4196fe66da..05e277b00600d9102d4db7042537e5217001217c 100644
--- a/content/browser/web_contents/web_contents_view_aura_browsertest.cc
+++ b/content/browser/web_contents/web_contents_view_aura_browsertest.cc
@@ -27,8 +27,9 @@
 #include "content/test/content_browser_test_utils.h"
 #include "ui/aura/test/event_generator.h"
 #include "ui/aura/window.h"
-#include "ui/aura/window_event_dispatcher.h"
+#include "ui/aura/window_tree_host.h"
 #include "ui/compositor/scoped_animation_duration_scale_mode.h"
+#include "ui/events/event_processor.h"
 
 namespace content {
 
@@ -322,7 +323,7 @@ IN_PROC_BROWSER_TEST_F(WebContentsViewAuraTest,
   EXPECT_EQ(1, GetCurrentIndex());
 
   aura::Window* content = web_contents->GetView()->GetContentNativeView();
-  aura::WindowEventDispatcher* dispatcher = content->GetHost()->dispatcher();
+  ui::EventProcessor* dispatcher = content->GetHost()->event_processor();
   gfx::Rect bounds = content->GetBoundsInRootWindow();
 
   base::TimeDelta timestamp;