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

src/ppc/code-stubs-ppc.h

Index: src/ppc/code-stubs-ppc.h
diff --git a/src/ppc/code-stubs-ppc.h b/src/ppc/code-stubs-ppc.h
index 72f71b7b181e11e8d6cc02fb582055c1a1417e50..3c71a23ea2af8fe4fc55018176b4b49ab5adb87d 100644
--- a/src/ppc/code-stubs-ppc.h
+++ b/src/ppc/code-stubs-ppc.h
@@ -94,7 +94,7 @@ class RecordWriteStub : public PlatformCodeStub {
 
   enum Mode { STORE_BUFFER_ONLY, INCREMENTAL, INCREMENTAL_COMPACTION };
 
-  bool SometimesSetsUpAFrame() OVERRIDE { return false; }
+  bool SometimesSetsUpAFrame() override { return false; }
 
   static void PatchBranchIntoNop(MacroAssembler* masm, int pos) {
     // Consider adding DCHECK here to catch bad patching
@@ -215,16 +215,16 @@ class RecordWriteStub : public PlatformCodeStub {
     kUpdateRememberedSetOnNoNeedToInformIncrementalMarker
   };
 
-  inline Major MajorKey() const FINAL { return RecordWrite; }
+  inline Major MajorKey() const final { return RecordWrite; }
 
-  void Generate(MacroAssembler* masm) OVERRIDE;
+  void Generate(MacroAssembler* masm) override;
   void GenerateIncremental(MacroAssembler* masm, Mode mode);
   void CheckNeedsToInformIncrementalMarker(
       MacroAssembler* masm, OnNoNeedToInformIncrementalMarker on_no_need,
       Mode mode);
   void InformIncrementalMarker(MacroAssembler* masm);
 
-  void Activate(Code* code) OVERRIDE {
+  void Activate(Code* code) override {
     code->GetHeap()->incremental_marking()->ActivateGeneratedStub(code);
   }
 
@@ -273,7 +273,7 @@ class DirectCEntryStub : public PlatformCodeStub {
   void GenerateCall(MacroAssembler* masm, Register target);
 
  private:
-  bool NeedsImmovableCode() OVERRIDE { return true; }
+  bool NeedsImmovableCode() override { return true; }
 
   DEFINE_NULL_CALL_INTERFACE_DESCRIPTOR();
   DEFINE_PLATFORM_CODE_STUB(DirectCEntry, PlatformCodeStub);
@@ -298,7 +298,7 @@ class NameDictionaryLookupStub : public PlatformCodeStub {
                                      Label* done, Register elements,
                                      Register name, Register r0, Register r1);
 
-  bool SometimesSetsUpAFrame() OVERRIDE { return false; }
+  bool SometimesSetsUpAFrame() override { return false; }
 
  private:
   static const int kInlinedProbes = 4;