SkTHash: hash from fnptr to functor type

dm/DM.cpp

 /*
  * Copyright 2013 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "CrashHandler.h"
 #include "DMJsonWriter.h"
 #include "DMSrcSink.h"
@@ skipping 126 matching lines @@
     Gold() : SkString("") {}
     Gold(ImplicitString sink, ImplicitString src, ImplicitString srcOptions,
          ImplicitString name, ImplicitString md5)
         : SkString("") {
         this->append(sink);
         this->append(src);
         this->append(srcOptions);
         this->append(name);
         this->append(md5);
     }
-    static uint32_t Hash(const Gold& g) { return SkGoodHash((const SkString&)g); }
+    struct Hash {
+        uint32_t operator()(const Gold& g) const {
+            return SkGoodHash()((const SkString&)g);
+        }
+    };
 };
 static SkTHashSet<Gold, Gold::Hash> gGold;
 
 static void add_gold(JsonWriter::BitmapResult r) {
     gGold.add(Gold(r.config, r.sourceType, r.sourceOptions, r.name, r.md5));
 }
 
 static void gather_gold() {
     if (!FLAGS_readPath.isEmpty()) {
         SkString path(FLAGS_readPath[0]);
@@ skipping 944 matching lines @@
     #endif  // SK_PDF_IMAGE_STATS
     return 0;
 }
 
 #if !defined(SK_BUILD_FOR_IOS)
 int main(int argc, char** argv) {
     SkCommandLineFlags::Parse(argc, argv);
     return dm_main();
 }
 #endif