Avoid two targeting phases in aura client-lib and EventProcessor.

ui/aura/window_targeter.h

Index: ui/aura/window_targeter.h
diff --git a/ui/aura/window_targeter.h b/ui/aura/window_targeter.h
index 048d8ad2e472aca897fccab4dfb8c125180d45ab..bc893d5aea8be797971bfa42eceee1078f5c8e56 100644
--- a/ui/aura/window_targeter.h
+++ b/ui/aura/window_targeter.h
@@ -31,6 +31,9 @@ class AURA_EXPORT WindowTargeter : public ui::EventTargeter {
   virtual bool SubtreeShouldBeExploredForEvent(Window* window,
                                                const ui::LocatedEvent& event);
 
+  Window* FindTargetInRootWindow(Window* root_window,
+                                 const ui::LocatedEvent& event);
+
  protected:
   // Same as FindTargetForEvent(), but used for positional events. The location
   // etc. of |event| are in |root|'s coordinate system. When finding the target
@@ -63,8 +66,6 @@ class AURA_EXPORT WindowTargeter : public ui::EventTargeter {
  private:
   Window* FindTargetForKeyEvent(Window* root_window, const ui::KeyEvent& event);
   Window* FindTargetForNonKeyEvent(Window* root_window, ui::Event* event);
-  Window* FindTargetInRootWindow(Window* root_window,
-                                 const ui::LocatedEvent& event);
   Window* FindTargetForLocatedEventRecursively(Window* root_window,
                                                ui::LocatedEvent* event);