Introduce RootWindowHostDelegate. The RootWindowHost performs most of its communication with RootWi…

ash/drag_drop/drag_drop_controller_unittest.cc

 // Copyright (c) 2012 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 "ash/drag_drop/drag_drop_controller.h"
 
 #include "ash/shell.h"
 #include "ash/test/ash_test_base.h"
 #include "base/location.h"
 #include "base/utf_string_conversions.h"
@@ skipping 590 matching lines @@
     if (i > 0)
       UpdateDragData(&data);
     generator.MoveMouseBy(0, 1);
 
     // We send a unexpected mouse move event. Note that we cannot use
     // EventGenerator since it implicitly turns these into mouse drag events.
     // The DragDropController should simply ignore these events.
     gfx::Point mouse_move_location = drag_view->bounds().CenterPoint();
     aura::MouseEvent mouse_move(ui::ET_MOUSE_MOVED,
                                 mouse_move_location, mouse_move_location, 0);
-    Shell::GetPrimaryRootWindow()->DispatchMouseEvent(&mouse_move);
+    Shell::GetPrimaryRootWindow()->AsRootWindowHostDelegate()->OnHostMouseEvent(
+        &mouse_move);
   }
 
   generator.ReleaseLeftButton();
 
   EXPECT_TRUE(drag_drop_controller_->drag_start_received_);
   EXPECT_EQ(num_drags - 1 - drag_view->VerticalDragThreshold(),
       drag_drop_controller_->num_drag_updates_);
   EXPECT_TRUE(drag_drop_controller_->drop_received_);
   EXPECT_EQ(UTF8ToUTF16("I am being dragged"),
       drag_drop_controller_->drag_string_);
@@ skipping 43 matching lines @@
   EXPECT_EQ(1, drag_view->num_drag_enters_);
   EXPECT_EQ(num_drags - 1 - drag_view->VerticalDragThreshold(),
       drag_view->num_drag_updates_);
   EXPECT_EQ(0, drag_view->num_drops_);
   EXPECT_EQ(1, drag_view->num_drag_exits_);
   EXPECT_TRUE(drag_view->drag_done_received_);
 }
 
 }  // namespace test
 }  // namespace aura