SkBitmap and SkPixelRef no longer need lock/unlock

ui/base/dragdrop/os_exchange_data_provider_win.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 "ui/base/dragdrop/os_exchange_data_provider_win.h"
 
 #include <objidl.h>
 #include <shlobj.h>
 #include <shobjidl.h>
 #include <stdint.h>
@@ skipping 561 matching lines @@
     base::win::ScopedGetDC screen_dc(NULL);
     // By giving a null hSection, the |bits| will be destroyed when the
     // |hbitmap| is destroyed.
     hbitmap =
         CreateDIBSection(screen_dc, reinterpret_cast<BITMAPINFO*>(&header),
                          DIB_RGB_COLORS, &bits, NULL, 0);
   }
   if (!hbitmap)
     return;
 
-  {
-    SkAutoLockPixels lock(unpremul_bitmap);
-    memcpy(bits, unpremul_bitmap.getPixels(), height * rowbytes);
-  }
+  memcpy(bits, unpremul_bitmap.getPixels(), height * rowbytes);
 
   base::win::ScopedComPtr<IDragSourceHelper> helper;
   HRESULT rv = CoCreateInstance(CLSID_DragDropHelper, 0, CLSCTX_INPROC_SERVER,
                                 IID_IDragSourceHelper, helper.ReceiveVoid());
   if (!SUCCEEDED(rv))
     return;
 
   // InitializeFromBitmap() takes ownership of |hbitmap|.
   SHDRAGIMAGE sdi;
   sdi.sizeDragImage.cx = width;
@@ skipping 525 matching lines @@
             std::min(file_name.size(), static_cast<size_t>(MAX_PATH - 1u)));
 
   STGMEDIUM* storage = new STGMEDIUM;
   storage->tymed = TYMED_HGLOBAL;
   storage->hGlobal = hdata;
   storage->pUnkForRelease = NULL;
   return storage;
 }
 
 }  // namespace ui