Adding more validation

src/effects/SkBicubicImageFilter.cpp

Index: src/effects/SkBicubicImageFilter.cpp
diff --git a/src/effects/SkBicubicImageFilter.cpp b/src/effects/SkBicubicImageFilter.cpp
index d6674153d5287d4c3afec471bf413a04ce81a3a5..e552415c954ab92f1d981cfa2470cfc2f956e41b 100644
--- a/src/effects/SkBicubicImageFilter.cpp
+++ b/src/effects/SkBicubicImageFilter.cpp
@@ -40,7 +40,8 @@ SkBicubicImageFilter* SkBicubicImageFilter::CreateMitchell(const SkSize& scale,
     return SkNEW_ARGS(SkBicubicImageFilter, (scale, gMitchellCoefficients, input));
 }
 
-SkBicubicImageFilter::SkBicubicImageFilter(SkFlattenableReadBuffer& buffer) : INHERITED(buffer) {
+SkBicubicImageFilter::SkBicubicImageFilter(SkFlattenableReadBuffer& buffer)
+  : INHERITED(1, buffer) {
     SkDEBUGCODE(bool success =) buffer.readScalarArray(fCoefficients, 16);
     SkASSERT(success);
     fScale.fWidth = buffer.readScalar();