Revert 98230 - CL removing inheritance of SkDevice from PlatformDevice.

skia/ext/platform_device_win.cc

-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// Copyright (c) 2006-2008 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 "skia/ext/platform_device.h"
 
 #include "skia/ext/skia_utils_win.h"
 #include "third_party/skia/include/core/SkMatrix.h"
 #include "third_party/skia/include/core/SkPath.h"
 #include "third_party/skia/include/core/SkRegion.h"
 #include "third_party/skia/include/core/SkUtils.h"
@@ skipping 32 matching lines @@
   res = SetDCPenColor(context, RGB(0, 0, 0));
   SkASSERT(res != CLR_INVALID);
 
   // Sets up default transparency.
   res = SetBkMode(context, OPAQUE);
   SkASSERT(res != 0);
   res = SetROP2(context, R2_COPYPEN);
   SkASSERT(res != 0);
 }
 
-PlatformSurface PlatformDevice::BeginPlatformPaint() {
-  return 0;
+PlatformDevice::PlatformDevice(const SkBitmap& bitmap)
+    : SkDevice(bitmap) {
+  SetPlatformDevice(this, this);
 }
 
 void PlatformDevice::EndPlatformPaint() {
   // We don't clear the DC here since it will be likely to be used again.
   // Flushing will be done in onAccessBitmap.
 }
 
-void PlatformDevice::DrawToNativeContext(PlatformSurface surface, int x, int y,
-                                         const PlatformRect* src_rect) {
-}
-
 // static
 bool PlatformDevice::LoadPathToDC(HDC context, const SkPath& path) {
   switch (path.getFillType()) {
     case SkPath::kWinding_FillType: {
       int res = SetPolyFillMode(context, WINDING);
       SkASSERT(res != 0);
       break;
     }
     case SkPath::kEvenOdd_FillType: {
       int res = SetPolyFillMode(context, ALTERNATE);
@@ skipping 152 matching lines @@
     LoadPathToDC(context, path);
     hrgn = PathToRegion(context);
   }
   int result = SelectClipRgn(context, hrgn);
   SkASSERT(result != ERROR);
   result = DeleteObject(hrgn);
   SkASSERT(result != 0);
 }
 
 }  // namespace skia
+