Convert all SkRecordPattern matchers into SkRecord mutators.

tools/dump_record.cpp

Index: tools/dump_record.cpp
diff --git a/tools/dump_record.cpp b/tools/dump_record.cpp
index 86911555257dd60f0181a2ae4de42b906f4e0d08..b427a81d61733d8a91d8f6d130b11aa58aefc258 100644
--- a/tools/dump_record.cpp
+++ b/tools/dump_record.cpp
@@ -84,7 +84,7 @@ static void dump(const char* name, const SkRecord& record) {
     printf("%s %s\n", FLAGS_optimize ? "optimized" : "not-optimized", name);
     for (unsigned i = 0; i < record.count(); i++) {
         printf("%*d ", digits, i);
-        record.visit(i, dumper);
+        record.visit<void>(i, dumper);
     }
 }