Remove JSBuiltinsObject.

src/contexts.h

 // Copyright 2012 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_CONTEXTS_H_
 #define V8_CONTEXTS_H_
 
 #include "src/heap/heap.h"
 #include "src/objects.h"
 
@@ skipping 409 matching lines @@
   Context* declaration_context();
   bool is_declaration_context();
 
   inline GlobalObject* global_object();
   inline void set_global_object(GlobalObject* object);
 
   // Returns a JSGlobalProxy object or null.
   JSObject* global_proxy();
   void set_global_proxy(JSObject* global);
 
-  // The builtins object.
-  JSBuiltinsObject* builtins();
-
   // Get the script context by traversing the context chain.
   Context* script_context();
 
   // Compute the native context by traversing the context chain.
   Context* native_context();
 
   // Predicates for context types.  IsNativeContext is also defined on Object
   // because we frequently have to know if arbitrary objects are natives
   // contexts.
   inline bool IsNativeContext();
@@ skipping 111 matching lines @@
 #endif
 
   STATIC_ASSERT(kHeaderSize == Internals::kContextHeaderSize);
   STATIC_ASSERT(EMBEDDER_DATA_INDEX == Internals::kContextEmbedderDataIndex);
 };
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_CONTEXTS_H_