Revert "Revert "add new signature so skia can rely on it (subclass of SkDevice)""

skia/ext/bitmap_platform_device_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 <windows.h>
 #include <psapi.h>
 
 #include "base/debug/gdi_debug_util_win.h"
 #include "base/logging.h"
 #include "skia/ext/bitmap_platform_device_win.h"
@@ skipping 264 matching lines @@
 }
 
 SkBaseDevice* BitmapPlatformDevice::onCreateCompatibleDevice(
                                                     const CreateInfo& cinfo) {
   const SkImageInfo& info = cinfo.fInfo;
   const bool do_clear = !info.isOpaque();
   SkASSERT(info.colorType() == kN32_SkColorType);
   return Create(info.width(), info.height(), info.isOpaque(), NULL, do_clear);
 }
 
+SkBaseDevice* BitmapPlatformDevice::onCreateDevice(const CreateInfo& cinfo,
+                                                   const SkPaint*) {
+  const SkImageInfo& info = cinfo.fInfo;
+  const bool do_clear = !info.isOpaque();
+  SkASSERT(info.colorType() == kN32_SkColorType);
+  return Create(info.width(), info.height(), info.isOpaque(), NULL, do_clear);
+}
+
 // PlatformCanvas impl
 
 SkCanvas* CreatePlatformCanvas(int width,
                                int height,
                                bool is_opaque,
                                HANDLE shared_section,
                                OnFailureType failureType) {
   skia::RefPtr<SkBaseDevice> dev = skia::AdoptRef(
       BitmapPlatformDevice::Create(width, height, is_opaque, shared_section));
   return CreateCanvas(dev, failureType);
@@ skipping 24 matching lines @@
   platform_extra_ = reinterpret_cast<intptr_t>(stock_bitmap);
 
   if (!InstallHBitmapPixels(&bitmap_, width, height, is_opaque, data, hbitmap))
     return false;
   bitmap_.lockPixels();
 
   return true;
 }
 
 }  // namespace skia