Revert "add new signature so skia can rely on it (subclass of SkDevice)"

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 47a4c8a423b7d09796b847251aa39a4ed7437e78..136706d7fbb49733338d23275b2aca53d3fcac12 100644
--- a/skia/ext/bitmap_platform_device_skia.cc
+++ b/skia/ext/bitmap_platform_device_skia.cc
@@ -49,12 +49,6 @@ SkBaseDevice* BitmapPlatformDevice::onCreateCompatibleDevice(
                                       info.fInfo.isOpaque());
 }
 
-SkBaseDevice* BitmapPlatformDevice::onCreateDevice(const CreateInfo& cinfo,
-                                                   const SkPaint*) {
-  // until skia lands its new virtual for this method
-  return onCreateCompatibleDevice(cinfo);
-}
-
 PlatformSurface BitmapPlatformDevice::BeginPlatformPaint() {
   // TODO(zhenghao): What should we return? The ptr to the address of the
   // pixels? Maybe this won't be called at all.