[Interpreter] Remove all Ldr style bytecodes and replace with Star lookahead.

src/interpreter/interpreter.h

 // 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.
 
 #ifndef V8_INTERPRETER_INTERPRETER_H_
 #define V8_INTERPRETER_INTERPRETER_H_
 
 #include <memory>
 
 // Clients of this interface shouldn't depend on lots of interpreter internals.
@@ skipping 121 matching lines @@
   // Generates code to perform a lookup slot load via |function_id| that can
   // fast path to a global load.
   void DoLdaLookupGlobalSlot(Runtime::FunctionId function_id,
                              InterpreterAssembler* assembler);
 
   // Generates code to perform a lookup slot store depending on
   // |language_mode|.
   void DoStaLookupSlot(LanguageMode language_mode,
                        InterpreterAssembler* assembler);
 
-  // Generates code to load a context slot.
-  compiler::Node* BuildLoadContextSlot(InterpreterAssembler* assembler);
-
-  // Generates code to load a slot in the current context.
-  compiler::Node* BuildLoadCurrentContextSlot(InterpreterAssembler* assembler);
-
   // Generates code to load a global.
   compiler::Node* BuildLoadGlobal(Callable ic, compiler::Node* context,
                                   compiler::Node* feedback_slot,
                                   InterpreterAssembler* assembler);
 
   // Generates code to prepare the result for ForInPrepare. Cache data
   // are placed into the consecutive series of registers starting at
   // |output_register|.
   void BuildForInPrepareResult(compiler::Node* output_register,
                                compiler::Node* cache_type,
@@ skipping 23 matching lines @@
   std::unique_ptr<uintptr_t[]> bytecode_dispatch_counters_table_;
 
   DISALLOW_COPY_AND_ASSIGN(Interpreter);
 };
 
 }  // namespace interpreter
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_INTERPRETER_INTERPRETER_H_