Replace OVERRIDE->override and FINAL->final since we now require C++11.

src/execution.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_EXECUTION_H_
 #define V8_EXECUTION_H_
 
 #include "src/handles.h"
 
 namespace v8 {
 namespace internal {
 
-class Execution FINAL : public AllStatic {
+class Execution final : public AllStatic {
  public:
   // Call a function, the caller supplies a receiver and an array
   // of arguments. Arguments are Object* type. After function returns,
   // pointers in 'args' might be invalid.
   //
   // *pending_exception tells whether the invoke resulted in
   // a pending exception.
   //
   // When convert_receiver is set, and the receiver is not an object,
   // and the function called is not in strict mode, receiver is converted to
@@ skipping 96 matching lines @@
 };
 
 
 class ExecutionAccess;
 class PostponeInterruptsScope;
 
 
 // StackGuard contains the handling of the limits that are used to limit the
 // number of nested invocations of JavaScript and the stack size used in each
 // invocation.
-class StackGuard FINAL {
+class StackGuard final {
  public:
   // Pass the address beyond which the stack should not grow.  The stack
   // is assumed to grow downwards.
   void SetStackLimit(uintptr_t limit);
 
   // Threading support.
   char* ArchiveStackGuard(char* to);
   char* RestoreStackGuard(char* from);
   static int ArchiveSpacePerThread() { return sizeof(ThreadLocal); }
   void FreeThreadResources();
@@ skipping 84 matching lines @@
   static const uintptr_t kInterruptLimit = V8_UINT64_C(0xfffffffffffffffe);
   static const uintptr_t kIllegalLimit = V8_UINT64_C(0xfffffffffffffff8);
 #else
   static const uintptr_t kInterruptLimit = 0xfffffffe;
   static const uintptr_t kIllegalLimit = 0xfffffff8;
 #endif
 
   void PushPostponeInterruptsScope(PostponeInterruptsScope* scope);
   void PopPostponeInterruptsScope();
 
-  class ThreadLocal FINAL {
+  class ThreadLocal final {
    public:
     ThreadLocal() { Clear(); }
     // You should hold the ExecutionAccess lock when you call Initialize or
     // Clear.
     void Clear();
 
     // Returns true if the heap's stack limits should be set, false if not.
     bool Initialize(Isolate* isolate);
 
     // The stack limit is split into a JavaScript and a C++ stack limit. These
@@ skipping 40 matching lines @@
   friend class Isolate;
   friend class StackLimitCheck;
   friend class PostponeInterruptsScope;
 
   DISALLOW_COPY_AND_ASSIGN(StackGuard);
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_EXECUTION_H_