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

src/compiler/pipeline.cc

 // 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.
 
 #include "src/compiler/pipeline.h"
 
 #include <fstream>  // NOLINT(readability/streams)
 #include <sstream>
 
 #include "src/base/platform/elapsed-timer.h"
@@ skipping 331 matching lines @@
                         js_type_feedback),
         source_positions_(source_positions),
         start_position_(info->shared_info()->start_position()) {}
 
   bool CreateGraph(bool constant_context, bool stack_check) {
     SourcePositionTable::Scope pos_scope(source_positions_, start_position_);
     return AstGraphBuilder::CreateGraph(constant_context, stack_check);
   }
 
 #define DEF_VISIT(type)                                               \
-  void Visit##type(type* node) OVERRIDE {                             \
+  void Visit##type(type* node) override {                             \
     SourcePositionTable::Scope pos(source_positions_,                 \
                                    SourcePosition(node->position())); \
     AstGraphBuilder::Visit##type(node);                               \
   }
   AST_NODE_LIST(DEF_VISIT)
 #undef DEF_VISIT
 
  private:
   SourcePositionTable* source_positions_;
   SourcePosition start_position_;
@@ skipping 899 matching lines @@
 
   if (FLAG_trace_turbo && !data->MayHaveUnverifiableGraph()) {
     TurboCfgFile tcf(data->isolate());
     tcf << AsC1VAllocator("CodeGen", data->register_allocator());
   }
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8