Adds WmWindow and converts WindowState to use it

ash/wm/workspace/workspace_window_resizer_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/wm/workspace/workspace_window_resizer.h"
 
 #include "ash/display/display_manager.h"
 #include "ash/root_window_controller.h"
 #include "ash/screen_util.h"
 #include "ash/shelf/shelf_layout_manager.h"
 #include "ash/shell.h"
 #include "ash/shell_window_ids.h"
 #include "ash/test/ash_test_base.h"
 #include "ash/test/display_manager_test_api.h"
 #include "ash/wm/common/wm_event.h"
 #include "ash/wm/window_state.h"
+#include "ash/wm/window_state_aura.h"
 #include "ash/wm/window_util.h"
 #include "ash/wm/workspace/phantom_window_controller.h"
 #include "ash/wm/workspace_controller.h"
 #include "base/command_line.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/stringprintf.h"
 #include "ui/aura/client/aura_constants.h"
 #include "ui/aura/test/test_window_delegate.h"
 #include "ui/aura/window_event_dispatcher.h"
 #include "ui/base/hit_test.h"
@@ skipping 123 matching lines @@
     workspace_resizer_ = WorkspaceWindowResizer::GetInstanceForTest();
     return resizer;
   }
   WorkspaceWindowResizer* CreateWorkspaceResizerForTest(
       aura::Window* window,
       const gfx::Point& point_in_parent,
       int window_component,
       aura::client::WindowMoveSource source,
       const std::vector<aura::Window*>& attached_windows) {
     wm::WindowState* window_state = wm::GetWindowState(window);
-    window_state->CreateDragDetails(
-        window, point_in_parent, window_component, source);
+    window_state->CreateDragDetails(point_in_parent, window_component, source);
     return WorkspaceWindowResizer::Create(window_state, attached_windows);
   }
 
   PhantomWindowController* snap_phantom_window_controller() const {
     return workspace_resizer_->snap_phantom_window_controller_.get();
   }
 
   gfx::Point CalculateDragPoint(const WindowResizer& resizer,
                                 int delta_x,
                                 int delta_y) const {
@@ skipping 1713 matching lines @@
   // Drag even more to snap to the edge.
   generator.GestureScrollSequence(gfx::Point(400, kRootHeight - 40),
                                   gfx::Point(400, kRootHeight - 25),
                                   base::TimeDelta::FromMilliseconds(10),
                                   5);
   EXPECT_EQ(gfx::Rect(100, 100, 600, kRootHeight - 100).ToString(),
             touch_resize_window_->bounds().ToString());
 }
 
 }  // namespace ash