Replace OVERRIDE and FINAL with override and final in content/child/[a-s]*

content/child/blink_platform_impl_unittest.cc

Index: content/child/blink_platform_impl_unittest.cc
diff --git a/content/child/blink_platform_impl_unittest.cc b/content/child/blink_platform_impl_unittest.cc
index c49dc179b790fb7bf930b2cf2574a57efe548ea1..95a4d98dbb3dee8a3bb3629420bb597ce95e7e46 100644
--- a/content/child/blink_platform_impl_unittest.cc
+++ b/content/child/blink_platform_impl_unittest.cc
@@ -19,13 +19,13 @@ class TestBlinkPlatformImpl : public BlinkPlatformImpl {
   TestBlinkPlatformImpl() : mock_monotonically_increasing_time_(0) {}
 
   // Returns mock time when enabled.
-  virtual double monotonicallyIncreasingTime() OVERRIDE {
+  virtual double monotonicallyIncreasingTime() override {
     if (mock_monotonically_increasing_time_ > 0.0)
       return mock_monotonically_increasing_time_;
     return BlinkPlatformImpl::monotonicallyIncreasingTime();
   }
 
-  virtual void OnStartSharedTimer(base::TimeDelta delay) OVERRIDE {
+  virtual void OnStartSharedTimer(base::TimeDelta delay) override {
     shared_timer_delay_ = delay;
   }