Move PlatformCanvas and PlatformDevice from base/gfx to webkit/port. I left h...

base/gfx/platform_canvas_mac.cc

-// 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 "base/gfx/platform_canvas_mac.h"
-
-#include "base/gfx/bitmap_platform_device_mac.h"
-#include "base/logging.h"
-
-namespace gfx {
-
-PlatformCanvasMac::PlatformCanvasMac() : SkCanvas() {
-}
-
-PlatformCanvasMac::PlatformCanvasMac(int width, int height, bool is_opaque)
-    : SkCanvas() {
-  initialize(width, height, is_opaque);
-}
-
-PlatformCanvasMac::PlatformCanvasMac(int width,
-                                     int height,
-                                     bool is_opaque,
-                                     CGContextRef context)
-    : SkCanvas() {
-  initialize(width, height, is_opaque);
-}
-
-PlatformCanvasMac::~PlatformCanvasMac() {
-}
-
-bool PlatformCanvasMac::initialize(int width,
-                                   int height,
-                                   bool is_opaque) {
-  SkDevice* device = createPlatformDevice(width, height, is_opaque, NULL);
-  if (!device)
-    return false;
-
-  setDevice(device);
-  device->unref(); // was created with refcount 1, and setDevice also refs
-  return true;
-}
-
-CGContextRef PlatformCanvasMac::beginPlatformPaint() {
-  return getTopPlatformDevice().GetBitmapContext();
-}
-
-void PlatformCanvasMac::endPlatformPaint() {
-  // flushing will be done in onAccessBitmap
-}
-
-PlatformDeviceMac& PlatformCanvasMac::getTopPlatformDevice() const {
-  // All of our devices should be our special PlatformDeviceMac.
-  SkCanvas::LayerIter iter(const_cast<PlatformCanvasMac*>(this), false);
-  return *static_cast<PlatformDeviceMac*>(iter.device());
-}
-
-SkDevice* PlatformCanvasMac::createDevice(SkBitmap::Config config,
-                                       int width,
-                                       int height,
-                                       bool is_opaque, bool isForLayer) {
-  DCHECK(config == SkBitmap::kARGB_8888_Config);
-  return createPlatformDevice(width, height, is_opaque, NULL);
-}
-
-SkDevice* PlatformCanvasMac::createPlatformDevice(int width,
-                                               int height,
-                                               bool is_opaque,
-                                               CGContextRef context) {
-  SkDevice* device = BitmapPlatformDeviceMac::Create(context, width, height,
-                                                  is_opaque);
-  return device;
-}
-
-SkDevice* PlatformCanvasMac::setBitmapDevice(const SkBitmap&) {
-  NOTREACHED();
-  return NULL;
-}
-
-}  // namespace gfx
-