Revert 98230 - CL removing inheritance of SkDevice from PlatformDevice.

skia/ext/platform_device_win.cc

Index: skia/ext/platform_device_win.cc
===================================================================
--- skia/ext/platform_device_win.cc	(revision 98232)
+++ skia/ext/platform_device_win.cc	(working copy)
@@ -1,4 +1,4 @@
-// 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.
 
@@ -51,8 +51,9 @@
   SkASSERT(res != 0);
 }
 
-PlatformSurface PlatformDevice::BeginPlatformPaint() {
-  return 0;
+PlatformDevice::PlatformDevice(const SkBitmap& bitmap)
+    : SkDevice(bitmap) {
+  SetPlatformDevice(this, this);
 }
 
 void PlatformDevice::EndPlatformPaint() {
@@ -60,10 +61,6 @@
   // 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()) {
@@ -236,3 +233,4 @@
 }
 
 }  // namespace skia
+