SkTDynamicHash: remove need for Equals(const T&, const Key&) param.

src/gpu/GrResourceCache.h

Index: src/gpu/GrResourceCache.h
diff --git a/src/gpu/GrResourceCache.h b/src/gpu/GrResourceCache.h
index b5953032f617b5e036fede5bffd1828b16e9dba6..26423ddc3dc9e60fbfe6c0eb3848b899e0745192 100644
--- a/src/gpu/GrResourceCache.h
+++ b/src/gpu/GrResourceCache.h
@@ -122,9 +122,6 @@ public:
 
     static const GrResourceKey& GetKey(const GrResourceEntry& e) { return e.key(); }
     static uint32_t Hash(const GrResourceKey& key) { return key.getHash(); }
-    static bool Equal(const GrResourceEntry& a, const GrResourceKey& b) {
-        return a.key() == b;
-    }
 #ifdef SK_DEBUG
     void validate() const;
 #else
@@ -321,8 +318,7 @@ private:
     GrTMultiMap<GrResourceEntry,
                 GrResourceKey,
                 GrResourceEntry::GetKey,
-                GrResourceEntry::Hash,
-                GrResourceEntry::Equal> fCache;
+                GrResourceEntry::Hash> fCache;
 
     // We're an internal doubly linked list
     typedef SkTInternalLList<GrResourceEntry> EntryList;