Reland "Use V8_FINAL and V8_OVERRIDE in various places, fixing bugs revealed by them.".

src/mips/lithium-codegen-mips.h

Index: src/mips/lithium-codegen-mips.h
diff --git a/src/mips/lithium-codegen-mips.h b/src/mips/lithium-codegen-mips.h
index f0f44e7d53a495cf1db92c527f79b8e3cbf22119..13b58040bd660b444b054a6ff5168c9c53cf5275 100644
--- a/src/mips/lithium-codegen-mips.h
+++ b/src/mips/lithium-codegen-mips.h
@@ -42,7 +42,7 @@ namespace internal {
 class LDeferredCode;
 class SafepointGenerator;
 
-class LCodeGen BASE_EMBEDDED {
+class LCodeGen V8_FINAL  BASE_EMBEDDED {
  public:
   LCodeGen(LChunk* chunk, MacroAssembler* assembler, CompilationInfo* info)
       : zone_(info->zone()),
@@ -441,7 +441,7 @@ class LCodeGen BASE_EMBEDDED {
 
   int old_position_;
 
-  class PushSafepointRegistersScope BASE_EMBEDDED {
+  class PushSafepointRegistersScope V8_FINAL  BASE_EMBEDDED {
    public:
     PushSafepointRegistersScope(LCodeGen* codegen,
                                 Safepoint::Kind kind)
@@ -489,7 +489,7 @@ class LCodeGen BASE_EMBEDDED {
 };
 
 
-class LDeferredCode: public ZoneObject {
+class LDeferredCode : public ZoneObject {
  public:
   explicit LDeferredCode(LCodeGen* codegen)
       : codegen_(codegen),
@@ -498,7 +498,7 @@ class LDeferredCode: public ZoneObject {
     codegen->AddDeferredCode(this);
   }
 
-  virtual ~LDeferredCode() { }
+  virtual ~LDeferredCode() {}
   virtual void Generate() = 0;
   virtual LInstruction* instr() = 0;