Standardize usage of virtual/override/final in media/

media/cast/net/pacing/paced_sender_unittest.cc

Index: media/cast/net/pacing/paced_sender_unittest.cc
diff --git a/media/cast/net/pacing/paced_sender_unittest.cc b/media/cast/net/pacing/paced_sender_unittest.cc
index 8e3fa16200cef4ec29dba3fd00b0fe105c100606..4a8810df42e00fd53f2fb81f444710efb720dc2a 100644
--- a/media/cast/net/pacing/paced_sender_unittest.cc
+++ b/media/cast/net/pacing/paced_sender_unittest.cc
@@ -32,7 +32,7 @@ class TestPacketSender : public PacketSender {
  public:
   TestPacketSender() : bytes_sent_(0) {}
 
-  virtual bool SendPacket(PacketRef packet, const base::Closure& cb) override {
+  bool SendPacket(PacketRef packet, const base::Closure& cb) override {
     EXPECT_FALSE(expected_packet_size_.empty());
     size_t expected_packet_size = expected_packet_size_.front();
     expected_packet_size_.pop_front();
@@ -41,9 +41,7 @@ class TestPacketSender : public PacketSender {
     return true;
   }
 
-  virtual int64 GetBytesSent() override {
-    return bytes_sent_;
-  }
+  int64 GetBytesSent() override { return bytes_sent_; }
 
   void AddExpectedSize(int expected_packet_size, int repeat_count) {
     for (int i = 0; i < repeat_count; ++i) {