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

src/arm/lithium-codegen-arm.h

Index: src/arm/lithium-codegen-arm.h
diff --git a/src/arm/lithium-codegen-arm.h b/src/arm/lithium-codegen-arm.h
index 713e6954b6c0fb8d2d49e74cb8bf797907665999..40ab3e83e8986616dafb4726e12e1c36adef1a03 100644
--- a/src/arm/lithium-codegen-arm.h
+++ b/src/arm/lithium-codegen-arm.h
@@ -169,7 +169,7 @@ class LCodeGen: public LCodeGenBase {
 
   // Code generation passes.  Returns true if code generation should
   // continue.
-  void GenerateBodyInstructionPre(LInstruction* instr) OVERRIDE;
+  void GenerateBodyInstructionPre(LInstruction* instr) override;
   bool GeneratePrologue();
   bool GenerateDeferredCode();
   bool GenerateJumpTable();
@@ -265,7 +265,7 @@ class LCodeGen: public LCodeGenBase {
                                     int arguments,
                                     Safepoint::DeoptMode mode);
 
-  void RecordAndWritePosition(int position) OVERRIDE;
+  void RecordAndWritePosition(int position) override;
 
   static Condition TokenToCondition(Token::Value op, bool is_unsigned);
   void EmitGoto(int block);
@@ -314,7 +314,7 @@ class LCodeGen: public LCodeGenBase {
                     int* offset,
                     AllocationSiteMode mode);
 
-  void EnsureSpaceForLazyDeopt(int space_needed) OVERRIDE;
+  void EnsureSpaceForLazyDeopt(int space_needed) override;
   void DoLoadKeyedExternalArray(LLoadKeyed* instr);
   void DoLoadKeyedFixedDoubleArray(LLoadKeyed* instr);
   void DoLoadKeyedFixedArray(LLoadKeyed* instr);
@@ -344,7 +344,7 @@ class LCodeGen: public LCodeGenBase {
 
   Safepoint::Kind expected_safepoint_kind_;
 
-  class PushSafepointRegistersScope FINAL BASE_EMBEDDED {
+  class PushSafepointRegistersScope final BASE_EMBEDDED {
    public:
     explicit PushSafepointRegistersScope(LCodeGen* codegen)
         : codegen_(codegen) {