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

skia/ext/bitmap_platform_device_win.cc

Index: skia/ext/bitmap_platform_device_win.cc
diff --git a/skia/ext/bitmap_platform_device_win.cc b/skia/ext/bitmap_platform_device_win.cc
index 5a0722a89c8fea8ea50262058e080c4629133cb5..0f16694ea662143f20bd884cd22e0bf9993f2b4e 100644
--- a/skia/ext/bitmap_platform_device_win.cc
+++ b/skia/ext/bitmap_platform_device_win.cc
@@ -282,12 +282,6 @@ SkBaseDevice* BitmapPlatformDevice::onCreateCompatibleDevice(
   return Create(info.width(), info.height(), info.isOpaque(), NULL, do_clear);
 }
 
-SkBaseDevice* BitmapPlatformDevice::onCreateDevice(const CreateInfo& cinfo,
-                                                   const SkPaint*) {
-  // until skia lands its new virtual for this method
-  return onCreateCompatibleDevice(cinfo);
-}
-
 // PlatformCanvas impl
 
 SkCanvas* CreatePlatformCanvas(int width,