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

base/gfx/platform_canvas_linux.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_linux.h"
-
-#include "base/gfx/platform_device_linux.h"
-#include "base/gfx/bitmap_platform_device_linux.h"
-#include "base/logging.h"
-
-namespace gfx {
-
-PlatformCanvasLinux::PlatformCanvasLinux() : SkCanvas() {
-}
-
-PlatformCanvasLinux::PlatformCanvasLinux(int width, int height, bool is_opaque)
-    : SkCanvas() {
-  if (!initialize(width, height, is_opaque))
-    CHECK(false);
-}
-
-PlatformCanvasLinux::~PlatformCanvasLinux() {
-}
-
-bool PlatformCanvasLinux::initialize(int width, int height, bool is_opaque) {
-  SkDevice* device = createPlatformDevice(width, height, is_opaque);
-  if (!device)
-    return false;
-
-  setDevice(device);
-  device->unref(); // was created with refcount 1, and setDevice also refs
-  return true;
-}
-
-PlatformDeviceLinux& PlatformCanvasLinux::getTopPlatformDevice() const {
-  // All of our devices should be our special PlatformDevice.
-  SkCanvas::LayerIter iter(const_cast<PlatformCanvasLinux*>(this), false);
-  return *static_cast<PlatformDeviceLinux*>(iter.device());
-}
-
-SkDevice* PlatformCanvasLinux::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);
-}
-
-SkDevice* PlatformCanvasLinux::createPlatformDevice(int width,
-                                                    int height,
-                                                    bool is_opaque) {
-  return BitmapPlatformDeviceLinux::Create(width, height, is_opaque);
-}
-
-}  // namespace gfx