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

src/profiler/strings-storage.h

Index: src/profiler/strings-storage.h
diff --git a/src/profiler/strings-storage.h b/src/profiler/strings-storage.h
index f98aa5e038bc2845caae7c63981372610d2f510a..f11afbd165546d6434c46276a4ff9ba57ab5fa57 100644
--- a/src/profiler/strings-storage.h
+++ b/src/profiler/strings-storage.h
@@ -36,10 +36,10 @@ class StringsStorage {
 
   static bool StringsMatch(void* key1, void* key2);
   const char* AddOrDisposeString(char* str, int len);
-  base::HashMap::Entry* GetEntry(const char* str, int len);
+  base::CustomMatcherHashMap::Entry* GetEntry(const char* str, int len);
 
   uint32_t hash_seed_;
-  base::HashMap names_;
+  base::CustomMatcherHashMap names_;
 
   DISALLOW_COPY_AND_ASSIGN(StringsStorage);
 };