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

skia/ext/bitmap_platform_device_cairo.cc

Index: skia/ext/bitmap_platform_device_cairo.cc
diff --git a/skia/ext/bitmap_platform_device_cairo.cc b/skia/ext/bitmap_platform_device_cairo.cc
index 0bbd1bfc5f560e2b9d35500c5d3845561c827248..a331bed0612ede805a9037976aeedaa8daceffd9 100644
--- a/skia/ext/bitmap_platform_device_cairo.cc
+++ b/skia/ext/bitmap_platform_device_cairo.cc
@@ -174,12 +174,6 @@ 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);
-}
-
 cairo_t* BitmapPlatformDevice::BeginPlatformPaint() {
   LoadConfig();
   cairo_surface_t* surface = cairo_get_target(cairo_);