Replace FINAL and OVERRIDE with their C++11 counterparts in chrome/test

chrome/test/perf/mach_ports_performancetest.cc

Index: chrome/test/perf/mach_ports_performancetest.cc
diff --git a/chrome/test/perf/mach_ports_performancetest.cc b/chrome/test/perf/mach_ports_performancetest.cc
index e80b9439ac6743aff744e7a20b7dec4887560ed7..c05ea58240136f8cd0c429945a84980b1f56c0a5 100644
--- a/chrome/test/perf/mach_ports_performancetest.cc
+++ b/chrome/test/perf/mach_ports_performancetest.cc
@@ -30,13 +30,13 @@ class MachPortsTest : public InProcessBrowserTest {
                 base::FilePath(FILE_PATH_LITERAL("data/mach_ports/moz"))) {
   }
 
-  virtual void SetUp() OVERRIDE {
+  virtual void SetUp() override {
     InProcessBrowserTest::SetUp();
 
     ASSERT_TRUE(server_.Start());
   }
 
-  virtual void TearDown() OVERRIDE {
+  virtual void TearDown() override {
     std::string ports;
     for (std::vector<int>::iterator it = port_counts_.begin();
          it != port_counts_.end(); ++it) {