Remove skia::PlatformBitmap.

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 "base/win/win_util.h"
@@ skipping 299 matching lines @@
 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);
 }
 
-// Port of PlatformBitmap to win
-
-PlatformBitmap::~PlatformBitmap() {
-  if (surface_) {
-    if (platform_extra_)
-      SelectObject(surface_, reinterpret_cast<HGDIOBJ>(platform_extra_));
-    DeleteDC(surface_);
-  }
-}
-
-bool PlatformBitmap::Allocate(int width, int height, bool is_opaque) {
-  void* data;
-  HBITMAP hbitmap = CreateHBitmap(width, height, is_opaque, 0, &data);
-  if (!hbitmap)
-    return false;
-
-  surface_ = CreateCompatibleDC(NULL);
-  InitializeDC(surface_);
-  // When the memory DC is created, its display surface is exactly one
-  // monochrome pixel wide and one monochrome pixel high. Save this object
-  // off, we'll restore it just before deleting the memory DC.
-  HGDIOBJ stock_bitmap = SelectObject(surface_, hbitmap);
-  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