Add virtual and OVERRIDE to base/ implementation files

base/threading/thread_local_unittest.cc

Index: base/threading/thread_local_unittest.cc
diff --git a/base/threading/thread_local_unittest.cc b/base/threading/thread_local_unittest.cc
index ba12898f31ff9cb6c18998655bd92ea83de02974..d09fff4b2cae7e0135b67688a5b42cf3b9fed885 100644
--- a/base/threading/thread_local_unittest.cc
+++ b/base/threading/thread_local_unittest.cc
@@ -17,8 +17,10 @@ class ThreadLocalTesterBase : public base::DelegateSimpleThreadPool::Delegate {
   typedef base::ThreadLocalPointer<ThreadLocalTesterBase> TLPType;
 
   ThreadLocalTesterBase(TLPType* tlp, base::WaitableEvent* done)
-      : tlp_(tlp), done_(done) { }
-  ~ThreadLocalTesterBase() { }
+      : tlp_(tlp),
+        done_(done) {
+  }
+  virtual ~ThreadLocalTesterBase() {}
 
  protected:
   TLPType* tlp_;
@@ -28,12 +30,14 @@ class ThreadLocalTesterBase : public base::DelegateSimpleThreadPool::Delegate {
 class SetThreadLocal : public ThreadLocalTesterBase {
  public:
   SetThreadLocal(TLPType* tlp, base::WaitableEvent* done)
-      : ThreadLocalTesterBase(tlp, done), val_(NULL) { }
-  ~SetThreadLocal() { }
+      : ThreadLocalTesterBase(tlp, done),
+        val_(NULL) {
+  }
+  virtual ~SetThreadLocal() {}
 
   void set_value(ThreadLocalTesterBase* val) { val_ = val; }
 
-  virtual void Run() {
+  virtual void Run() OVERRIDE {
     DCHECK(!done_->IsSignaled());
     tlp_->Set(val_);
     done_->Signal();
@@ -46,12 +50,14 @@ class SetThreadLocal : public ThreadLocalTesterBase {
 class GetThreadLocal : public ThreadLocalTesterBase {
  public:
   GetThreadLocal(TLPType* tlp, base::WaitableEvent* done)
-      : ThreadLocalTesterBase(tlp, done), ptr_(NULL) { }
-  ~GetThreadLocal() { }
+      : ThreadLocalTesterBase(tlp, done),
+        ptr_(NULL) {
+  }
+  virtual ~GetThreadLocal() {}
 
   void set_ptr(ThreadLocalTesterBase** ptr) { ptr_ = ptr; }
 
-  virtual void Run() {
+  virtual void Run() OVERRIDE {
     DCHECK(!done_->IsSignaled());
     *ptr_ = tlp_->Get();
     done_->Signal();