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

ash/wm/overview/window_selector_unittest.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 <algorithm>
 #include <vector>
 
 #include "ash/common/accessibility_delegate.h"
 #include "ash/common/accessibility_types.h"
 #include "ash/common/ash_switches.h"
@@ skipping 1010 matching lines @@
   gfx::Rect window_bounds(20, 10, 200, 300);
   aura::Window* root_window = Shell::GetPrimaryRootWindow();
   std::unique_ptr<aura::Window> window(CreateWindow(window_bounds));
 
   gfx::Point point1(window_bounds.x() + 10, window_bounds.y() + 10);
 
   ui::MouseEvent event1(ui::ET_MOUSE_PRESSED, point1, point1,
                         ui::EventTimeForNow(), ui::EF_NONE, ui::EF_NONE);
 
   ui::EventTarget* root_target = root_window;
-  ui::EventTargeter* targeter = root_target->GetEventTargeter();
+  ui::EventTargeter* targeter =
+      root_window->GetHost()->dispatcher()->GetDefaultEventTargeter();
 
   // The event should target the window because we are still not in overview
   // mode.
   EXPECT_EQ(window.get(), targeter->FindTargetForEvent(root_target, &event1));
 
   ToggleOverview();
 
   // The bounds have changed, take that into account.
   gfx::Rect bounds = GetTransformedBoundsInRootWindow(window.get());
   gfx::Point point2(bounds.x() + 10, bounds.y() + 10);
@@ skipping 1086 matching lines @@
                           aura::client::WINDOW_MOVE_SOURCE_MOUSE));
   ASSERT_TRUE(resizer.get());
   gfx::Point location = resizer->GetInitialLocation();
   location.Offset(20, 20);
   resizer->Drag(location, 0);
   ToggleOverview();
   resizer->RevertDrag();
 }
 
 }  // namespace ash