Delete ash-based code for Windows drag-and-drop graphics.

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/drag_drop/drag_drop_tracker.h"
 #include "ash/drag_drop/drag_image_view.h"
 #include "ash/shell.h"
 #include "ash/test/ash_test_base.h"
 #include "base/command_line.h"
 #include "base/location.h"
 #include "base/strings/utf_string_conversions.h"
 #include "ui/aura/client/capture_client.h"
 #include "ui/aura/window_event_dispatcher.h"
 #include "ui/aura/window_tree_host.h"
 #include "ui/base/clipboard/clipboard.h"
 #include "ui/base/clipboard/scoped_clipboard_writer.h"
 #include "ui/base/dragdrop/drag_drop_types.h"
-#include "ui/base/dragdrop/drag_utils.h"
 #include "ui/base/dragdrop/os_exchange_data.h"
 #include "ui/base/ui_base_switches.h"
 #include "ui/events/event.h"
 #include "ui/events/event_utils.h"
 #include "ui/events/gesture_detection/gesture_configuration.h"
 #include "ui/events/gestures/gesture_types.h"
 #include "ui/events/test/event_generator.h"
 #include "ui/events/test/events_test_utils.h"
 #include "ui/gfx/animation/linear_animation.h"
 #include "ui/gfx/image/image_skia_rep.h"
@@ skipping 39 matching lines @@
  private:
   // View overrides:
   int GetDragOperations(const gfx::Point& press_pt) override {
     return ui::DragDropTypes::DRAG_COPY;
   }
 
   void WriteDragData(const gfx::Point& p, OSExchangeData* data) override {
     data->SetString(base::UTF8ToUTF16("I am being dragged"));
     gfx::ImageSkiaRep image_rep(gfx::Size(10, 20), 1.0f);
     gfx::ImageSkia image_skia(image_rep);
-
-    drag_utils::SetDragImageOnDataObject(image_skia, gfx::Vector2d(), data);
+    data->provider().SetDragImage(image_skia, gfx::Vector2d());
   }
 
   bool OnMousePressed(const ui::MouseEvent& event) override { return true; }
 
   void OnGestureEvent(ui::GestureEvent* event) override {
     if (event->type() == ui::ET_GESTURE_LONG_TAP)
       long_tap_received_ = true;
     return;
   }
 
@@ skipping 1006 matching lines @@
             drag_drop_controller_->drag_string_);
   EXPECT_EQ(1, drag_view->num_drag_enters_);
   EXPECT_EQ(2, drag_view->num_drag_updates_);
   EXPECT_EQ(1, drag_view->num_drops_);
   EXPECT_EQ(0, drag_view->num_drag_exits_);
   EXPECT_TRUE(drag_view->drag_done_received_);
 }
 
 }  // namespace test
 }  // namespace ash