[runtime] Replace global object link with native context link in all contexts.

src/compiler/js-operator.h

 // Copyright 2013 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.
 
 #ifndef V8_COMPILER_JS_OPERATOR_H_
 #define V8_COMPILER_JS_OPERATOR_H_
 
 #include "src/runtime/runtime.h"
 
 namespace v8 {
@@ skipping 495 matching lines @@
   const Operator* LoadGlobal(const Handle<Name>& name,
                              const VectorSlotPair& feedback,
                              TypeofMode typeof_mode = NOT_INSIDE_TYPEOF);
   const Operator* StoreGlobal(LanguageMode language_mode,
                               const Handle<Name>& name,
                               const VectorSlotPair& feedback);
 
   const Operator* LoadContext(size_t depth, size_t index, bool immutable);
   const Operator* StoreContext(size_t depth, size_t index);
 
-  const Operator* LoadNativeContext();
-
   const Operator* LoadDynamic(const Handle<String>& name,
                               TypeofMode typeof_mode);
 
   const Operator* TypeOf();
   const Operator* InstanceOf();
 
   const Operator* ForInDone();
   const Operator* ForInNext();
   const Operator* ForInPrepare();
   const Operator* ForInStep();
@@ skipping 17 matching lines @@
   Zone* const zone_;
 
   DISALLOW_COPY_AND_ASSIGN(JSOperatorBuilder);
 };
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_COMPILER_JS_OPERATOR_H_