Checking structure sizes before reading them from memory to avoid overflowing the buffer's stream.

include/core/SkMatrix.h

Index: include/core/SkMatrix.h
diff --git a/include/core/SkMatrix.h b/include/core/SkMatrix.h
index b6856d103c57fe45849b51c2d77c5d7449552afa..f7ca34789a6f224f6bc116099064e902ff241c32 100644
--- a/include/core/SkMatrix.h
+++ b/include/core/SkMatrix.h
@@ -554,15 +554,6 @@ public:
         return !(a == b);
     }
 
-    enum {
-        // writeTo/readFromMemory will never return a value larger than this
-        kMaxFlattenSize = 9 * sizeof(SkScalar) + sizeof(uint32_t)
-    };
-    // return the number of bytes written, whether or not buffer is null
-    uint32_t writeToMemory(void* buffer) const;
-    // return the number of bytes read
-    uint32_t readFromMemory(const void* buffer);
-
     SkDEVCODE(void dump() const;)
     SkDEVCODE(void toString(SkString*) const;)