Remove skia::SupportsPlatformPaint()

skia/ext/platform_canvas.h

Index: skia/ext/platform_canvas.h
diff --git a/skia/ext/platform_canvas.h b/skia/ext/platform_canvas.h
index ef657837d050da819918ed08394796de9178a274..f877716b3106c707813aba1765b7b5b60094108c 100644
--- a/skia/ext/platform_canvas.h
+++ b/skia/ext/platform_canvas.h
@@ -121,11 +121,6 @@ SK_API SkBitmap ReadPixels(SkCanvas* canvas);
 // the pixmap to empty.
 SK_API bool GetWritablePixels(SkCanvas* canvas, SkPixmap* pixmap);
 
-// Returns true if native platform routines can be used to draw on the
-// given canvas. If this function returns false,
-// GetNativeDrawingContext() should return NULL.
-SK_API bool SupportsPlatformPaint(const SkCanvas* canvas);
-
 // Returns the NativeDrawingContext to use for native platform drawing calls.
 SK_API NativeDrawingContext GetNativeDrawingContext(SkCanvas* canvas);