Port FuzzPathop from chromium

fuzz/fuzz.cpp

Index: fuzz/fuzz.cpp
diff --git a/fuzz/fuzz.cpp b/fuzz/fuzz.cpp
index b8375d344a1e9a6ce1099d97d5661f9562e74a94..4ca253343d2f1db222475eaacc653c5a3b2253cf 100644
--- a/fuzz/fuzz.cpp
+++ b/fuzz/fuzz.cpp
@@ -14,6 +14,8 @@
 #include "SkImageEncoder.h"
 #include "SkMallocPixelRef.h"
 #include "SkPicture.h"
+#include "SkPicture.h"
+#include "SkPicture.h"
 #include "SkStream.h"
 
 #include <cmath>
@@ -404,6 +406,12 @@ Fuzz::Fuzz(SkData* bytes) : fBytes(SkSafeRef(bytes)), fNextByte(0) {}
 void Fuzz::signalBug   () { SkDebugf("Signal bug\n"); raise(SIGSEGV); }
 void Fuzz::signalBoring() { SkDebugf("Signal boring\n"); exit(0); }
 
+size_t Fuzz::size() { return fBytes->size(); }
+
+size_t Fuzz::remaining() {
+    return fBytes->size() - fNextByte;
+}
+
 template <typename T>
 T Fuzz::nextT() {
     if (fNextByte + sizeof(T) > fBytes->size()) {