[turbofan] Decouple inlining and native context specialization.

src/compiler/access-info.cc

 // Copyright 2015 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <ostream>
 
 #include "src/accessors.h"
 #include "src/compilation-dependencies.h"
 #include "src/compiler/access-info.h"
 #include "src/field-index-inl.h"
@@ skipping 117 matching lines @@
       field_check_(field_check),
       field_type_(field_type) {}
 
 
 AccessInfoFactory::AccessInfoFactory(CompilationDependencies* dependencies,
                                      Handle<Context> native_context, Zone* zone)
     : dependencies_(dependencies),
       native_context_(native_context),
       isolate_(native_context->GetIsolate()),
       type_cache_(TypeCache::Get()),
-      zone_(zone) {}
+      zone_(zone) {
+  DCHECK(native_context->IsNativeContext());
+}
 
 
 bool AccessInfoFactory::ComputeElementAccessInfo(
     Handle<Map> map, AccessMode access_mode, ElementAccessInfo* access_info) {
   // Check if it is safe to inline element access for the {map}.
   if (!CanInlineElementAccess(map)) return false;
 
   ElementsKind const elements_kind = map->elements_kind();
 
   // Certain (monomorphic) stores need a prototype chain check because shape
@@ skipping 322 matching lines @@
   }
   return false;
 }
 
 
 Factory* AccessInfoFactory::factory() const { return isolate()->factory(); }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8