Use Chrome compatible naming for compiler specifics.

src/compiler/change-lowering.h

Index: src/compiler/change-lowering.h
diff --git a/src/compiler/change-lowering.h b/src/compiler/change-lowering.h
index b002369f0bc20b8e1f39f0717e0c8e267e282b74..661d7bd619d5264c3f8eaf0eec39ec9a3f0dbff8 100644
--- a/src/compiler/change-lowering.h
+++ b/src/compiler/change-lowering.h
@@ -17,14 +17,14 @@ class JSGraph;
 class Linkage;
 class MachineOperatorBuilder;
 
-class ChangeLowering V8_FINAL : public Reducer {
+class ChangeLowering FINAL : public Reducer {
  public:
   ChangeLowering(JSGraph* jsgraph, Linkage* linkage,
                  MachineOperatorBuilder* machine)
       : jsgraph_(jsgraph), linkage_(linkage), machine_(machine) {}
   virtual ~ChangeLowering();
 
-  virtual Reduction Reduce(Node* node) V8_OVERRIDE;
+  virtual Reduction Reduce(Node* node) OVERRIDE;
 
  private:
   enum Signedness { kSigned, kUnsigned };