[turbofan] Remove virtual methods from CodeAssembler.

src/interpreter/interpreter-assembler.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_ASSEMBLER_H_
 #define V8_INTERPRETER_INTERPRETER_ASSEMBLER_H_
 
 #include "src/allocation.h"
 #include "src/builtins/builtins.h"
 #include "src/code-stub-assembler.h"
 #include "src/frames.h"
 #include "src/globals.h"
 #include "src/interpreter/bytecode-register.h"
 #include "src/interpreter/bytecodes.h"
 #include "src/runtime/runtime.h"
 
 namespace v8 {
 namespace internal {
 namespace interpreter {
 
 class V8_EXPORT_PRIVATE InterpreterAssembler : public CodeStubAssembler {
  public:
   InterpreterAssembler(compiler::CodeAssemblerState* state, Bytecode bytecode,
                        OperandScale operand_scale);
-  virtual ~InterpreterAssembler();
+  ~InterpreterAssembler();
 
   // Returns the 32-bit unsigned count immediate for bytecode operand
   // |operand_index| in the current bytecode.
   compiler::Node* BytecodeOperandCount(int operand_index);
   // Returns the 32-bit unsigned flag for bytecode operand |operand_index|
   // in the current bytecode.
   compiler::Node* BytecodeOperandFlag(int operand_index);
   // Returns the 32-bit zero-extended index immediate for bytecode operand
   // |operand_index| in the current bytecode.
   compiler::Node* BytecodeOperandIdx(int operand_index);
@@ skipping 175 matching lines @@
   // uses it. This is intended to be used only in dispatch and in
   // tracing as these need to bypass accumulator use validity checks.
   compiler::Node* GetAccumulatorUnchecked();
 
   // Returns the frame pointer for the interpreted frame of the function being
   // interpreted.
   compiler::Node* GetInterpretedFramePointer();
 
   // Saves and restores interpreter bytecode offset to the interpreter stack
   // frame when performing a call.
-  void CallPrologue() override;
-  void CallEpilogue() override;
+  void CallPrologue();
+  void CallEpilogue();
 
   // Increment the dispatch counter for the (current, next) bytecode pair.
   void TraceBytecodeDispatch(compiler::Node* target_index);
 
   // Traces the current bytecode by calling |function_id|.
   void TraceBytecode(Runtime::FunctionId function_id);
 
   // Updates the bytecode array's interrupt budget by a 32-bit signed |weight|
   // and calls Runtime::kInterrupt if counter reaches zero.
   void UpdateInterruptBudget(compiler::Node* weight);
@@ skipping 79 matching lines @@
   compiler::Node* stack_pointer_before_call_;
 
   DISALLOW_COPY_AND_ASSIGN(InterpreterAssembler);
 };
 
 }  // namespace interpreter
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_INTERPRETER_INTERPRETER_ASSEMBLER_H_