Start hiding deprecated skia/ext/ functions

skia/ext/platform_canvas.cc

 // 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.
 
 #include "skia/ext/platform_canvas.h"
 
 #include "base/logging.h"
 #include "build/build_config.h"
 #include "skia/ext/platform_device.h"
 #include "third_party/skia/include/core/SkMetaData.h"
@@ skipping 15 matching lines @@
   if (!meta.findBool(key, &value))
     value = false;
   return value;
 }
 #endif
 
 }  // namespace
 
 namespace skia {
 
-SkBaseDevice* GetTopDevice(const SkCanvas& canvas) {
-  return canvas.getTopDevice(true);
-}
-
 SkBitmap ReadPixels(SkCanvas* canvas) {
   SkBitmap bitmap;
   bitmap.setInfo(canvas->imageInfo());
   canvas->readPixels(&bitmap, 0, 0);
   return bitmap;
 }
 
 bool GetWritablePixels(SkCanvas* canvas, SkPixmap* result) {
   if (!canvas || !result) {
     return false;
   }
 
   SkImageInfo info;
   size_t row_bytes;
   void* pixels = canvas->accessTopLayerPixels(&info, &row_bytes);
   if (!pixels) {
     result->reset();
     return false;
   }
 
   result->reset(info, pixels, row_bytes);
   return true;
 }
 
 bool SupportsPlatformPaint(const SkCanvas* canvas) {
-  return GetPlatformDevice(GetTopDevice(*canvas)) != nullptr;
+  return GetPlatformDevice(canvas->getTopDevice(true)) != nullptr;
 }
 
 size_t PlatformCanvasStrideForWidth(unsigned width) {
   return 4 * width;
 }
 
 SkCanvas* CreateCanvas(const sk_sp<SkBaseDevice>& device,
                        OnFailureType failureType) {
   if (!device) {
     if (CRASH_ON_FAILURE == failureType)
@@ skipping 12 matching lines @@
 #if defined(OS_MACOSX)
 void SetIsPreviewMetafile(const SkCanvas& canvas, bool is_preview) {
   SetBoolMetaData(canvas, kIsPreviewMetafileKey, is_preview);
 }
 
 bool IsPreviewMetafile(const SkCanvas& canvas) {
   return GetBoolMetaData(canvas, kIsPreviewMetafileKey);
 }
 
 CGContextRef GetBitmapContext(const SkCanvas& canvas) {
-  SkBaseDevice* device = GetTopDevice(canvas);
-  PlatformDevice* platform_device = GetPlatformDevice(device);
+  PlatformDevice* platform_device =
+      GetPlatformDevice(canvas.getTopDevice(true));
   SkIRect clip_bounds;
   canvas.getClipDeviceBounds(&clip_bounds);
   return platform_device ?
       platform_device->GetBitmapContext(
           canvas.getTotalMatrix(), clip_bounds) :
       nullptr;
 }
 
 #endif
 
 ScopedPlatformPaint::ScopedPlatformPaint(SkCanvas* canvas) :
     canvas_(canvas),
     platform_surface_(nullptr) {
   // TODO(tomhudson) we're assuming non-null canvas?
-  PlatformDevice* platform_device = GetPlatformDevice(GetTopDevice(*canvas));
+  PlatformDevice* platform_device = GetPlatformDevice(canvas->getTopDevice(true));
   if (platform_device) {
     // Compensate for drawing to a layer rather than the entire canvas
     SkMatrix ctm;
     SkIRect clip_bounds;
     canvas->temporary_internal_describeTopLayer(&ctm, &clip_bounds);
     platform_surface_ = platform_device->BeginPlatformPaint(ctm, clip_bounds);
   }
 }
 
 }  // namespace skia