Standardize usage of virtual/override/final in content/

content/test/plugin/plugin_get_javascript_url_test.h

Index: content/test/plugin/plugin_get_javascript_url_test.h
diff --git a/content/test/plugin/plugin_get_javascript_url_test.h b/content/test/plugin/plugin_get_javascript_url_test.h
index a7f1043c575c434639bcbafd948ebf5bd327c5fb..e45b03a0554dd15f7285571957ef5094f4a565f4 100644
--- a/content/test/plugin/plugin_get_javascript_url_test.h
+++ b/content/test/plugin/plugin_get_javascript_url_test.h
@@ -19,16 +19,15 @@ class ExecuteGetJavascriptUrlTest : public PluginTest {
   //
   // NPAPI functions
   //
-  virtual NPError SetWindow(NPWindow* pNPWindow) override;
-  virtual NPError NewStream(NPMIMEType type, NPStream* stream,
-                            NPBool seekable, uint16* stype) override;
-  virtual int32   WriteReady(NPStream *stream) override;
-  virtual int32   Write(NPStream *stream, int32 offset, int32 len,
-                        void *buffer) override;
-  virtual NPError DestroyStream(NPStream *stream, NPError reason) override;
-  virtual void    URLNotify(const char* url,
-                            NPReason reason,
-                            void* data) override;
+  NPError SetWindow(NPWindow* pNPWindow) override;
+  NPError NewStream(NPMIMEType type,
+                    NPStream* stream,
+                    NPBool seekable,
+                    uint16* stype) override;
+  int32 WriteReady(NPStream* stream) override;
+  int32 Write(NPStream* stream, int32 offset, int32 len, void* buffer) override;
+  NPError DestroyStream(NPStream* stream, NPError reason) override;
+  void URLNotify(const char* url, NPReason reason, void* data) override;
 
  private:
 #if defined(OS_WIN)