Convert PatchCache (and related methods) to use types rather than objects/maps.

src/arm/stub-cache-arm.cc

Index: src/arm/stub-cache-arm.cc
diff --git a/src/arm/stub-cache-arm.cc b/src/arm/stub-cache-arm.cc
index 9f3e0790ea53a7b68b8ac71bb943a14925d67564..2e3a0f8a3e4744294be395792901f5eaff001c4d 100644
--- a/src/arm/stub-cache-arm.cc
+++ b/src/arm/stub-cache-arm.cc
@@ -3051,7 +3051,7 @@ Handle<Code> LoadStubCompiler::CompileLoadGlobal(
 
 
 Handle<Code> BaseLoadStoreStubCompiler::CompilePolymorphicIC(
-    MapHandleList* receiver_maps,
+    TypeHandleList* types,
     CodeHandleList* handlers,
     Handle<Name> name,
     Code::StubType type,
@@ -3063,22 +3063,22 @@ Handle<Code> BaseLoadStoreStubCompiler::CompilePolymorphicIC(
   }
 
   Label number_case;
-  Label* smi_target = HasHeapNumberMap(receiver_maps) ? &number_case : &miss;
+  Label* smi_target = IncludesNumberType(types) ? &number_case : &miss;
   __ JumpIfSmi(receiver(), smi_target);
 
   Register map_reg = scratch1();
 
-  int receiver_count = receiver_maps->length();
+  int receiver_count = types->length();
   int number_of_handled_maps = 0;
   __ ldr(map_reg, FieldMemOperand(receiver(), HeapObject::kMapOffset));
-  Handle<Map> heap_number_map = isolate()->factory()->heap_number_map();
   for (int current = 0; current < receiver_count; ++current) {
-    Handle<Map> map = receiver_maps->at(current);
+    Handle<Type> type = types->at(current);
+    Handle<Map> map = IC::TypeToMap(*type, isolate());
     if (!map->is_deprecated()) {
       number_of_handled_maps++;
-      __ mov(ip, Operand(receiver_maps->at(current)));
+      __ mov(ip, Operand(map));
       __ cmp(map_reg, ip);
-      if (map.is_identical_to(heap_number_map)) {
+      if (type->Is(Type::Number())) {
         ASSERT(!number_case.is_unused());
         __ bind(&number_case);
       }