Standardize usage of virtual/override/final in content/

content/shell/tools/plugin/Tests/GetURLNotifyWithURLThatFailsToLoad.cpp

Index: content/shell/tools/plugin/Tests/GetURLNotifyWithURLThatFailsToLoad.cpp
diff --git a/content/shell/tools/plugin/Tests/GetURLNotifyWithURLThatFailsToLoad.cpp b/content/shell/tools/plugin/Tests/GetURLNotifyWithURLThatFailsToLoad.cpp
index ac6b6355c074380541fbeeb9512b170fb7075ffd..e9131a76f1d30d5f4e047b69d9ded4f4f66ec30d 100644
--- a/content/shell/tools/plugin/Tests/GetURLNotifyWithURLThatFailsToLoad.cpp
+++ b/content/shell/tools/plugin/Tests/GetURLNotifyWithURLThatFailsToLoad.cpp
@@ -45,18 +45,19 @@ public:
     }
 
 private:
- virtual NPError NPP_New(NPMIMEType pluginType,
-                         uint16_t mode,
-                         int16_t argc,
-                         char* argn[],
-                         char* argv[],
-                         NPSavedData* saved) override {
+ NPError NPP_New(NPMIMEType pluginType,
+                 uint16_t mode,
+                 int16_t argc,
+                 char* argn[],
+                 char* argv[],
+                 NPSavedData* saved) override {
         NPN_GetURLNotify(urlThatFailsToLoad, 0, reinterpret_cast<void*>(0x12345678));
         return NPERR_NO_ERROR;
     }
 
-    virtual bool NPP_URLNotify(const char* url, NPReason reason, void* notifyData) override
-    {
+    bool NPP_URLNotify(const char* url,
+                       NPReason reason,
+                       void* notifyData) override {
         bool didFail = false;
 
         if (strcmp(url, urlThatFailsToLoad))