Standardize usage of virtual/override/final specifiers.

content/browser/fileapi/blob_url_request_job_unittest.cc

Index: content/browser/fileapi/blob_url_request_job_unittest.cc
diff --git a/content/browser/fileapi/blob_url_request_job_unittest.cc b/content/browser/fileapi/blob_url_request_job_unittest.cc
index 4c7d607bcac54c99ebd2d7d7333de95d05b7bdde..79824772be6a7851251d7217305ac6077947ffaf 100644
--- a/content/browser/fileapi/blob_url_request_job_unittest.cc
+++ b/content/browser/fileapi/blob_url_request_job_unittest.cc
@@ -79,7 +79,7 @@ class BlobURLRequestJobTest : public testing::Test {
       : blob_data_(new BlobData()),
         expected_status_code_(0) {}
 
-  virtual void SetUp() {
+  void SetUp() override {
     ASSERT_TRUE(temp_dir_.CreateUniqueTempDir());
 
     temp_file1_ = temp_dir_.path().AppendASCII("BlobFile1.dat");
@@ -103,8 +103,7 @@ class BlobURLRequestJobTest : public testing::Test {
     url_request_context_.set_job_factory(&url_request_job_factory_);
   }
 
-  virtual void TearDown() {
-  }
+  void TearDown() override {}
 
   void SetUpFileSystem() {
     // Prepare file system.