[stubs] A new approach to TF stubs

src/bootstrapper.h

 // Copyright 2014 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_BOOTSTRAPPER_H_
 #define V8_BOOTSTRAPPER_H_
 
 #include "src/factory.h"
 
 namespace v8 {
@@ skipping 64 matching lines @@
   void TearDown();
 
   // Creates a JavaScript Global Context with initial object graph.
   // The returned value is a global handle casted to V8Environment*.
   Handle<Context> CreateEnvironment(
       MaybeHandle<JSGlobalProxy> maybe_global_proxy,
       v8::Local<v8::ObjectTemplate> global_object_template,
       v8::ExtensionConfiguration* extensions,
       ContextType context_type = FULL_CONTEXT);
 
-  bool CreateCodeStubContext(Isolate* isolate);
-
   // Detach the environment from its outer global object.
   void DetachGlobal(Handle<Context> env);
 
   // Traverses the pointers for memory management.
   void Iterate(ObjectVisitor* v);
 
   // Accessor for the native scripts source code.
   template <class Source>
   Handle<String> SourceLookup(int index);
 
@@ skipping 12 matching lines @@
 
   SourceCodeCache* extensions_cache() { return &extensions_cache_; }
 
   static bool CompileNative(Isolate* isolate, Vector<const char> name,
                             Handle<String> source, int argc,
                             Handle<Object> argv[]);
   static bool CompileBuiltin(Isolate* isolate, int index);
   static bool CompileExperimentalBuiltin(Isolate* isolate, int index);
   static bool CompileExtraBuiltin(Isolate* isolate, int index);
   static bool CompileExperimentalExtraBuiltin(Isolate* isolate, int index);
-  static bool CompileCodeStubBuiltin(Isolate* isolate, int index);
-  static bool InstallCodeStubNatives(Isolate* isolate);
 
   static void ExportFromRuntime(Isolate* isolate, Handle<JSObject> container);
   static void ExportExperimentalFromRuntime(Isolate* isolate,
                                             Handle<JSObject> container);
 
  private:
   Isolate* isolate_;
   typedef int NestingCounterType;
   NestingCounterType nesting_;
   SourceCodeCache extensions_cache_;
@@ skipping 42 matching lines @@
 
  private:
   const char* data_;
   size_t length_;
 };
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_BOOTSTRAPPER_H_