[base] Template MatchFun in TemplateHashMapImpl

src/snapshot/serializer.h

Index: src/snapshot/serializer.h
diff --git a/src/snapshot/serializer.h b/src/snapshot/serializer.h
index ff2c6a979d183695d47c8cff2277f28dc4ced11b..0f87774548885073e12d8b66b598bcdfabd61a45 100644
--- a/src/snapshot/serializer.h
+++ b/src/snapshot/serializer.h
@@ -38,7 +38,7 @@ class CodeAddressMap : public CodeEventLogger {
  private:
   class NameMap {
    public:
-    NameMap() : impl_(base::HashMap::PointersMatch) {}
+    NameMap() : impl_() {}
 
     ~NameMap() {
       for (base::HashMap::Entry* p = impl_.Start(); p != NULL;