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

src/arm64/simulator-arm64.h

Index: src/arm64/simulator-arm64.h
diff --git a/src/arm64/simulator-arm64.h b/src/arm64/simulator-arm64.h
index d4901098ef298cacce5e9b95e3559ea1ddc1baa3..c8c715a0677dbad216adb318478128e22d0fd881 100644
--- a/src/arm64/simulator-arm64.h
+++ b/src/arm64/simulator-arm64.h
@@ -151,7 +151,8 @@ typedef SimRegisterBase SimFPRegister;    // v0-v31
 
 class Simulator : public DecoderVisitor {
  public:
-  static void FlushICache(base::HashMap* i_cache, void* start, size_t size) {
+  static void FlushICache(base::CustomMatcherHashMap* i_cache, void* start,
+                          size_t size) {
     USE(i_cache);
     USE(start);
     USE(size);
@@ -167,7 +168,7 @@ class Simulator : public DecoderVisitor {
 
   static void Initialize(Isolate* isolate);
 
-  static void TearDown(base::HashMap* i_cache, Redirection* first);
+  static void TearDown(base::CustomMatcherHashMap* i_cache, Redirection* first);
 
   static Simulator* current(v8::internal::Isolate* isolate);