Adding more validation

src/effects/SkColorFilterImageFilter.cpp

Index: src/effects/SkColorFilterImageFilter.cpp
diff --git a/src/effects/SkColorFilterImageFilter.cpp b/src/effects/SkColorFilterImageFilter.cpp
index fdcc7fff6baaf138e96728363a80bdf77a357bb7..2042c12632d82dc764b2137ff1b2e059ec6c107b 100755
--- a/src/effects/SkColorFilterImageFilter.cpp
+++ b/src/effects/SkColorFilterImageFilter.cpp
@@ -82,7 +82,8 @@ SkColorFilterImageFilter::SkColorFilterImageFilter(SkColorFilter* cf,
     SkSafeRef(cf);
 }
 
-SkColorFilterImageFilter::SkColorFilterImageFilter(SkFlattenableReadBuffer& buffer) : INHERITED(buffer) {
+SkColorFilterImageFilter::SkColorFilterImageFilter(SkFlattenableReadBuffer& buffer)
+  : INHERITED(1, buffer) {
     fColorFilter = buffer.readColorFilter();
 }