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

ui/base/dragdrop/drag_utils_win.cc

Index: ui/base/dragdrop/drag_utils_win.cc
diff --git a/ui/base/dragdrop/drag_utils_win.cc b/ui/base/dragdrop/drag_utils_win.cc
deleted file mode 100644
index fa482e2e026284b56e1edc4761cc0e5781c482b5..0000000000000000000000000000000000000000
--- a/ui/base/dragdrop/drag_utils_win.cc
+++ /dev/null
@@ -1,87 +0,0 @@
-// 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 "ui/base/dragdrop/drag_utils.h"
-
-#include <objidl.h>
-#include <shlobj.h>
-#include <shobjidl.h>
-#include <stddef.h>
-
-#include "base/win/scoped_comptr.h"
-#include "base/win/scoped_hdc.h"
-#include "skia/ext/skia_utils_win.h"
-#include "third_party/skia/include/core/SkBitmap.h"
-#include "ui/base/dragdrop/os_exchange_data.h"
-#include "ui/base/dragdrop/os_exchange_data_provider_win.h"
-#include "ui/gfx/canvas.h"
-#include "ui/gfx/geometry/point.h"
-#include "ui/gfx/geometry/size.h"
-#include "ui/gfx/image/image_skia.h"
-#include "ui/gfx/skbitmap_operations.h"
-
-namespace drag_utils {
-
-static void SetDragImageOnDataObject(HBITMAP hbitmap,
-                                     const gfx::Size& size_in_pixels,
-                                     const gfx::Vector2d& cursor_offset,
-                                     IDataObject* data_object) {
-  base::win::ScopedComPtr<IDragSourceHelper> helper;
-  HRESULT rv = CoCreateInstance(CLSID_DragDropHelper, 0, CLSCTX_INPROC_SERVER,
-                                IID_IDragSourceHelper, helper.ReceiveVoid());
-  if (SUCCEEDED(rv)) {
-    SHDRAGIMAGE sdi;
-    sdi.sizeDragImage = size_in_pixels.ToSIZE();
-    sdi.crColorKey = 0xFFFFFFFF;
-    sdi.hbmpDragImage = hbitmap;
-    sdi.ptOffset = gfx::PointAtOffsetFromOrigin(cursor_offset).ToPOINT();
-    helper->InitializeFromBitmap(&sdi, data_object);
-  }
-}
-
-// Blit the contents of the canvas to a new HBITMAP. It is the caller's
-// responsibility to release the |bits| buffer.
-static HBITMAP CreateHBITMAPFromSkBitmap(const SkBitmap& sk_bitmap) {
-  base::win::ScopedGetDC screen_dc(NULL);
-  BITMAPINFOHEADER header;
-  skia::CreateBitmapHeader(sk_bitmap.width(), sk_bitmap.height(), &header);
-  void* bits;
-  HBITMAP bitmap =
-      CreateDIBSection(screen_dc, reinterpret_cast<BITMAPINFO*>(&header),
-                       DIB_RGB_COLORS, &bits, NULL, 0);
-  if (!bitmap || !bits)
-    return NULL;
-  DCHECK_EQ(sk_bitmap.rowBytes(), static_cast<size_t>(sk_bitmap.width() * 4));
-  SkAutoLockPixels lock(sk_bitmap);
-  memcpy(
-      bits, sk_bitmap.getPixels(), sk_bitmap.height() * sk_bitmap.rowBytes());
-  return bitmap;
-}
-
-void SetDragImageOnDataObject(const gfx::ImageSkia& image_skia,
-                              const gfx::Vector2d& cursor_offset,
-                              ui::OSExchangeData* data_object) {
-  DCHECK(data_object && !image_skia.size().IsEmpty());
-  // InitializeFromBitmap() doesn't expect an alpha channel and is confused
-  // by premultiplied colors, so unpremultiply the bitmap.
-  // SetDragImageOnDataObject(HBITMAP) takes ownership of the bitmap.
-  HBITMAP bitmap = CreateHBITMAPFromSkBitmap(
-      SkBitmapOperations::UnPreMultiply(*image_skia.bitmap()));
-  if (bitmap) {
-    // Attach 'bitmap' to the data_object.
-    SetDragImageOnDataObject(
-        bitmap,
-        gfx::Size(image_skia.bitmap()->width(), image_skia.bitmap()->height()),
-        cursor_offset,
-        ui::OSExchangeDataProviderWin::GetIDataObject(*data_object));
-  }
-
-  // TODO: the above code is used in non-Ash, while below is used in Ash. If we
-  // could figure this context out then we wouldn't do unnecessary work. However
-  // as it stands getting this information in ui/base would be a layering
-  // violation.
-  data_object->provider().SetDragImage(image_skia, cursor_offset);
-}
-
-}  // namespace drag_utils