[base] Remove PointersMatch, making a separate std::equals hashmap

src/d8.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_D8_H_
 #define V8_D8_H_
 
 #include <map>
 #include <string>
 
@@ skipping 60 matching lines @@
   }
   class Iterator {
    public:
     explicit Iterator(CounterMap* map)
         : map_(&map->hash_map_), entry_(map_->Start()) { }
     void Next() { entry_ = map_->Next(entry_); }
     bool More() { return entry_ != NULL; }
     const char* CurrentKey() { return static_cast<const char*>(entry_->key); }
     Counter* CurrentValue() { return static_cast<Counter*>(entry_->value); }
    private:
-    base::HashMap* map_;
-    base::HashMap::Entry* entry_;
+    base::CustomMatcherHashMap* map_;
+    base::CustomMatcherHashMap::Entry* entry_;
   };
 
  private:
   static int Hash(const char* name);
   static bool Match(void* key1, void* key2);
-  base::HashMap hash_map_;
+  base::CustomMatcherHashMap hash_map_;
 };
 
 
 class SourceGroup {
  public:
   SourceGroup() :
       next_semaphore_(0),
       done_semaphore_(0),
       thread_(NULL),
       argv_(NULL),
@@ skipping 359 matching lines @@
   static MaybeLocal<Module> FetchModuleTree(
       Isolate* isolate, const std::string& file_name,
       std::map<std::string, Global<Module>>* module_map);
 };
 
 
 }  // namespace v8
 
 
 #endif  // V8_D8_H_