Add the override annotation to all necessary methods in .../quic/.

net/quic/quic_connection_test.cc

Index: net/quic/quic_connection_test.cc
diff --git a/net/quic/quic_connection_test.cc b/net/quic/quic_connection_test.cc
index dbdb86f4b6e111abaf43173fbb63fcdbe1351122..f9188062e8b8be844bcabbda9327bd4e792d0eac 100644
--- a/net/quic/quic_connection_test.cc
+++ b/net/quic/quic_connection_test.cc
@@ -92,7 +92,7 @@ class TaggingEncrypter : public QuicEncrypter {
       : tag_(tag) {
   }
 
-  virtual ~TaggingEncrypter() {}
+  virtual ~TaggingEncrypter() OVERRIDE {}
 
   // QuicEncrypter interface.
   virtual bool SetKey(StringPiece key) OVERRIDE { return true; }
@@ -150,7 +150,7 @@ class TaggingEncrypter : public QuicEncrypter {
 // have the same value and then removes them.
 class TaggingDecrypter : public QuicDecrypter {
  public:
-  virtual ~TaggingDecrypter() {}
+  virtual ~TaggingDecrypter() OVERRIDE {}
 
   // QuicDecrypter interface
   virtual bool SetKey(StringPiece key) OVERRIDE { return true; }
@@ -219,7 +219,7 @@ class TaggingDecrypter : public QuicDecrypter {
 class StrictTaggingDecrypter : public TaggingDecrypter {
  public:
   explicit StrictTaggingDecrypter(uint8 tag) : tag_(tag) {}
-  virtual ~StrictTaggingDecrypter() {}
+  virtual ~StrictTaggingDecrypter() OVERRIDE {}
 
   // TaggingQuicDecrypter
   virtual uint8 GetTag(StringPiece ciphertext) OVERRIDE {