Googletest export

Code style cleanup in docs

PiperOrigin-RevId: 364907938

docs/gmock_cook_book.md

@@ -268,7 +268,7 @@ class FileInterface {
 class File : public FileInterface {
  public:
   ...
-  virtual bool Open(const char* path, const char* mode) {
+  bool Open(const char* path, const char* mode) override {
      return OpenFile(path, mode);
   }
 };
@@ -512,9 +512,9 @@ The trick is to redispatch the method in the mock class:
 class ScopedMockLog : public LogSink {
  public:
   ...
-  virtual void send(LogSeverity severity, const char* full_filename,
+  void send(LogSeverity severity, const char* full_filename,
                     const char* base_filename, int line, const tm* tm_time,
-                    const char* message, size_t message_len) {
+                    const char* message, size_t message_len) override {
     // We are only interested in the log severity, full file name, and
     // log message.
     Log(severity, full_filename, std::string(message, message_len));