More cleanup based on profile information.

runtime/vm/object.h

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #ifndef VM_OBJECT_H_
 #define VM_OBJECT_H_
 
 #include "include/dart_api.h"
 #include "platform/assert.h"
 #include "platform/utils.h"
@@ skipping 60 matching lines @@
   }                                                                            \
   static object& CheckedHandle(RawObject* raw_ptr) {                           \
     return CheckedHandle(Isolate::Current(), raw_ptr);                         \
   }                                                                            \
   static object& ZoneHandle(Isolate* isolate, Raw##object* raw_ptr) {          \
     object* obj = reinterpret_cast<object*>(                                   \
         VMHandles::AllocateZoneHandle(isolate));                               \
     initializeHandle(obj, raw_ptr);                                            \
     return *obj;                                                               \
   }                                                                            \
-  static object* ReadOnlyHandle(Isolate* isolate) {                            \
+  static object* ReadOnlyHandle() {                                            \
     object* obj = reinterpret_cast<object*>(                                   \
         Dart::AllocateReadOnlyHandle());                                       \
     initializeHandle(obj, object::null());                                     \
     return obj;                                                                \
   }                                                                            \
   static object& ZoneHandle() {                                                \
     return ZoneHandle(Isolate::Current(), object::null());                     \
   }                                                                            \
   static object& ZoneHandle(Raw##object* raw_ptr) {                            \
     return ZoneHandle(Isolate::Current(), raw_ptr);                            \
@@ skipping 5728 matching lines @@
 
 
 RawObject* MegamorphicCache::GetTargetFunction(const Array& array,
                                                intptr_t index) {
   return array.At((index * kEntryLength) + kTargetFunctionIndex);
 }
 
 }  // namespace dart
 
 #endif  // VM_OBJECT_H_