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

src/ppc/simulator-ppc.h

Index: src/ppc/simulator-ppc.h
diff --git a/src/ppc/simulator-ppc.h b/src/ppc/simulator-ppc.h
index d3163e8a50582ccaf42593983f1b13f97fac6c86..d061545099905e0707cd048d6fa18fb498bf3ac2 100644
--- a/src/ppc/simulator-ppc.h
+++ b/src/ppc/simulator-ppc.h
@@ -217,7 +217,7 @@ class Simulator {
   // Call on program start.
   static void Initialize(Isolate* isolate);
 
-  static void TearDown(base::HashMap* i_cache, Redirection* first);
+  static void TearDown(base::CustomMatcherHashMap* i_cache, Redirection* first);
 
   // V8 generally calls into generated JS code with 5 parameters and into
   // generated RegExp code with 7 parameters. This is a convenience function,
@@ -239,7 +239,8 @@ class Simulator {
   char* last_debugger_input() { return last_debugger_input_; }
 
   // ICache checking.
-  static void FlushICache(base::HashMap* i_cache, void* start, size_t size);
+  static void FlushICache(base::CustomMatcherHashMap* i_cache, void* start,
+                          size_t size);
 
   // Returns true if pc register contains one of the 'special_values' defined
   // below (bad_lr, end_sim_pc).
@@ -329,9 +330,12 @@ class Simulator {
   void ExecuteInstruction(Instruction* instr);
 
   // ICache.
-  static void CheckICache(base::HashMap* i_cache, Instruction* instr);
-  static void FlushOnePage(base::HashMap* i_cache, intptr_t start, int size);
-  static CachePage* GetCachePage(base::HashMap* i_cache, void* page);
+  static void CheckICache(base::CustomMatcherHashMap* i_cache,
+                          Instruction* instr);
+  static void FlushOnePage(base::CustomMatcherHashMap* i_cache, intptr_t start,
+                           int size);
+  static CachePage* GetCachePage(base::CustomMatcherHashMap* i_cache,
+                                 void* page);
 
   // Runtime call support.
   static void* RedirectExternalReference(
@@ -369,7 +373,7 @@ class Simulator {
   char* last_debugger_input_;
 
   // Icache simulation
-  base::HashMap* i_cache_;
+  base::CustomMatcherHashMap* i_cache_;
 
   // Registered breakpoints.
   Instruction* break_pc_;