Standardize usage of virtual/override/final in content/renderer/

content/renderer/pepper/pepper_device_enumeration_host_helper_unittest.cc

Index: content/renderer/pepper/pepper_device_enumeration_host_helper_unittest.cc
diff --git a/content/renderer/pepper/pepper_device_enumeration_host_helper_unittest.cc b/content/renderer/pepper/pepper_device_enumeration_host_helper_unittest.cc
index d9944d45d0f3755340308df86bd173b03cf50811..b5608495228d9b005f7332cb236817782913faba 100644
--- a/content/renderer/pepper/pepper_device_enumeration_host_helper_unittest.cc
+++ b/content/renderer/pepper/pepper_device_enumeration_host_helper_unittest.cc
@@ -30,18 +30,17 @@ class TestDelegate : public PepperDeviceEnumerationHostHelper::Delegate,
  public:
   TestDelegate() : last_used_id_(0) {}
 
-  virtual ~TestDelegate() { CHECK(callbacks_.empty()); }
+  ~TestDelegate() override { CHECK(callbacks_.empty()); }
 
-  virtual int EnumerateDevices(PP_DeviceType_Dev /* type */,
-                               const GURL& /* document_url */,
-                               const EnumerateDevicesCallback& callback)
-      override {
+  int EnumerateDevices(PP_DeviceType_Dev /* type */,
+                       const GURL& /* document_url */,
+                       const EnumerateDevicesCallback& callback) override {
     last_used_id_++;
     callbacks_[last_used_id_] = callback;
     return last_used_id_;
   }
 
-  virtual void StopEnumerateDevices(int request_id) override {
+  void StopEnumerateDevices(int request_id) override {
     std::map<int, EnumerateDevicesCallback>::iterator iter =
         callbacks_.find(request_id);
     CHECK(iter != callbacks_.end());