Remove bitmap_platform_device_skia

skia/ext/platform_canvas.h

 // Copyright (c) 2011 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.
 
 #ifndef SKIA_EXT_PLATFORM_CANVAS_H_
 #define SKIA_EXT_PLATFORM_CANVAS_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
 // The platform-specific device will include the necessary platform headers
 // to get the surface type.
 #include "build/build_config.h"
 #include "skia/ext/native_drawing_context.h"
 #include "third_party/skia/include/core/SkBitmap.h"
 #include "third_party/skia/include/core/SkCanvas.h"
-#include "third_party/skia/include/core/SkPixelRef.h"
-#include "third_party/skia/include/core/SkPixmap.h"
 
-class SkBaseDevice;
+class SkCanvas;
+class SkPixmap;
 
 // A PlatformCanvas is a software-rasterized SkCanvas which is *also*
 // addressable by the platform-specific drawing API (GDI, Core Graphics,
 // Cairo...).
 
 namespace skia {
 
 //
 //  Note about error handling.
 //
@@ skipping 36 matching lines @@
     OnFailureType failure_type);
 #endif
 
 static inline std::unique_ptr<SkCanvas> CreatePlatformCanvas(int width,
                                                              int height,
                                                              bool is_opaque) {
 #if defined(WIN32)
   return CreatePlatformCanvasWithSharedSection(width, height, is_opaque, 0,
                                                CRASH_ON_FAILURE);
 #else
-  return CreatePlatformCanvasWithPixels(width, height, is_opaque, 0,
+  return CreatePlatformCanvasWithPixels(width, height, is_opaque, nullptr,
                                         CRASH_ON_FAILURE);
 #endif
 }
 
-SK_API std::unique_ptr<SkCanvas> CreateCanvas(const sk_sp<SkBaseDevice>& device,
-                                              OnFailureType failure_type);
-
 static inline std::unique_ptr<SkCanvas> TryCreateBitmapCanvas(int width,
                                                               int height,
                                                               bool is_opaque) {
 #if defined(WIN32)
   return CreatePlatformCanvasWithSharedSection(width, height, is_opaque, 0,
                                                RETURN_NULL_ON_FAILURE);
 #else
-  return CreatePlatformCanvasWithPixels(width, height, is_opaque, 0,
+  return CreatePlatformCanvasWithPixels(width, height, is_opaque, nullptr,
                                         RETURN_NULL_ON_FAILURE);
 #endif
 }
 
 // Return the stride (length of a line in bytes) for the given width. Because
 // we use 32-bits per pixel, this will be roughly 4*width. However, for
 // alignment reasons we may wish to increase that.
 SK_API size_t PlatformCanvasStrideForWidth(unsigned width);
 
 // Copies pixels from the SkCanvas into an SkBitmap, fetching pixels from
@@ skipping 17 matching lines @@
 SK_API SkMetaData& GetMetaData(const SkCanvas& canvas);
 
 #if defined(OS_MACOSX)
 SK_API void SetIsPreviewMetafile(const SkCanvas& canvas, bool is_preview);
 SK_API bool IsPreviewMetafile(const SkCanvas& canvas);
 #endif
 
 }  // namespace skia
 
 #endif  // SKIA_EXT_PLATFORM_CANVAS_H_