replace OVERRIDE and FINAL with override and final in chrome/browser/[a-i]*

chrome/browser/download/download_dir_policy_handler_unittest.cc

Index: chrome/browser/download/download_dir_policy_handler_unittest.cc
diff --git a/chrome/browser/download/download_dir_policy_handler_unittest.cc b/chrome/browser/download/download_dir_policy_handler_unittest.cc
index fe9e2b6645b68bd02db0f6f093aa2e7968591a9b..150bc6de6f804f1aaaf958bd7e2eecd677413f9e 100644
--- a/chrome/browser/download/download_dir_policy_handler_unittest.cc
+++ b/chrome/browser/download/download_dir_policy_handler_unittest.cc
@@ -45,7 +45,7 @@ std::string GetExpectedDownloadDirectory() {
 class DownloadDirPolicyHandlerTest
     : public policy::ConfigurationPolicyPrefStoreTest {
  public:
-  virtual void SetUp() OVERRIDE {
+  virtual void SetUp() override {
     recommended_store_ = new policy::ConfigurationPolicyPrefStore(
         policy_service_.get(),
         &handler_list_,
@@ -56,7 +56,7 @@ class DownloadDirPolicyHandlerTest
   }
 
   virtual void PopulatePolicyHandlerParameters(
-      policy::PolicyHandlerParameters* parameters) OVERRIDE {
+      policy::PolicyHandlerParameters* parameters) override {
     parameters->user_id_hash = kUserIDHash;
   }