accessBitmap is no longer called/needed

skia/ext/bitmap_platform_device_skia.cc

Index: skia/ext/bitmap_platform_device_skia.cc
diff --git a/skia/ext/bitmap_platform_device_skia.cc b/skia/ext/bitmap_platform_device_skia.cc
index f25a5393b44200af9861a2464a46ad8ac60e6706..93d8f7d8184c760f4f004cebfec1f0586d8a4288 100644
--- a/skia/ext/bitmap_platform_device_skia.cc
+++ b/skia/ext/bitmap_platform_device_skia.cc
@@ -51,10 +51,10 @@ SkBaseDevice* BitmapPlatformDevice::onCreateDevice(const CreateInfo& info,
 
 PlatformSurface BitmapPlatformDevice::BeginPlatformPaint(const SkMatrix& transform,
                                                          const SkIRect& clip_bounds) {
-  // TODO(tomhudson): propagate transform and clip
   // TODO(zhenghao): What should we return? The ptr to the address of the
   // pixels? Maybe this won't be called at all.
-  return accessBitmap(true).getPixels();
+  SkPixmap pixmap;
+  return accessPixels(&pixmap) ? pixmap.writable_addr() : nullptr;
 }
 
 // PlatformCanvas impl