Standardize usage of virtual/override/final in chrome/

chrome/service/cloud_print/print_system_cups.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/service/cloud_print/print_system.h"
 
 #include <cups/cups.h>
 #include <dlfcn.h>
 #include <errno.h>
 #include <pthread.h>
@@ skipping 58 matching lines @@
   // the number of requests.
   typedef std::map<std::string, printing::PrinterCapsAndDefaults> CapsMap;
   CapsMap caps_cache;
 };
 
 class PrintSystemCUPS : public PrintSystem {
  public:
   explicit PrintSystemCUPS(const base::DictionaryValue* print_system_settings);
 
   // PrintSystem implementation.
-  virtual PrintSystemResult Init() override;
-  virtual PrintSystem::PrintSystemResult EnumeratePrinters(
+  PrintSystemResult Init() override;
+  PrintSystem::PrintSystemResult EnumeratePrinters(
       printing::PrinterList* printer_list) override;
-  virtual void GetPrinterCapsAndDefaults(
+  void GetPrinterCapsAndDefaults(
       const std::string& printer_name,
       const PrinterCapsAndDefaultsCallback& callback) override;
-  virtual bool IsValidPrinter(const std::string& printer_name) override;
-  virtual bool ValidatePrintTicket(
-      const std::string& printer_name,
-      const std::string& print_ticket_data,
-      const std::string& print_ticket_mime_type) override;
-  virtual bool GetJobDetails(const std::string& printer_name,
-                             PlatformJobId job_id,
-                             PrintJobDetails *job_details) override;
-  virtual PrintSystem::PrintServerWatcher* CreatePrintServerWatcher() override;
-  virtual PrintSystem::PrinterWatcher* CreatePrinterWatcher(
+  bool IsValidPrinter(const std::string& printer_name) override;
+  bool ValidatePrintTicket(const std::string& printer_name,
+                           const std::string& print_ticket_data,
+                           const std::string& print_ticket_mime_type) override;
+  bool GetJobDetails(const std::string& printer_name,
+                     PlatformJobId job_id,
+                     PrintJobDetails* job_details) override;
+  PrintSystem::PrintServerWatcher* CreatePrintServerWatcher() override;
+  PrintSystem::PrinterWatcher* CreatePrinterWatcher(
       const std::string& printer_name) override;
-  virtual PrintSystem::JobSpooler* CreateJobSpooler() override;
-  virtual bool UseCddAndCjt() override;
-  virtual std::string GetSupportedMimeTypes() override;
+  PrintSystem::JobSpooler* CreateJobSpooler() override;
+  bool UseCddAndCjt() override;
+  std::string GetSupportedMimeTypes() override;
 
   // Helper functions.
   PlatformJobId SpoolPrintJob(const std::string& print_ticket,
                               const base::FilePath& print_data_file_path,
                               const std::string& print_data_mime_type,
                               const std::string& printer_name,
                               const std::string& job_title,
                               const std::vector<std::string>& tags,
                               bool* dry_run);
   bool GetPrinterInfo(const std::string& printer_name,
@@ skipping 10 matching lines @@
     return update_timeout_;
   }
 
   bool NotifyDelete() const {
     // Notify about deleted printers only when we
     // fetched printers list without errors.
     return notify_delete_ && printer_enum_succeeded_;
   }
 
  private:
-  virtual ~PrintSystemCUPS() {}
+  ~PrintSystemCUPS() override {}
 
   // Following functions are wrappers around corresponding CUPS functions.
   // <functions>2()  are called when print server is specified, and plain
   // version in another case. There is an issue specifing CUPS_HTTP_DEFAULT
   // in the <functions>2(), it does not work in CUPS prior to 1.4.
   int GetJobs(cups_job_t** jobs, const GURL& url,
               http_encryption_t encryption, const char* name,
               int myjobs, int whichjobs);
   int PrintFile(const GURL& url, http_encryption_t encryption,
                 const char* name, const char* filename,
@@ skipping 33 matching lines @@
 
 class PrintServerWatcherCUPS
   : public PrintSystem::PrintServerWatcher {
  public:
   explicit PrintServerWatcherCUPS(PrintSystemCUPS* print_system)
       : print_system_(print_system),
         delegate_(NULL) {
   }
 
   // PrintSystem::PrintServerWatcher implementation.
-  virtual bool StartWatching(
+  bool StartWatching(
       PrintSystem::PrintServerWatcher::Delegate* delegate) override {
     delegate_ = delegate;
     printers_hash_ = GetPrintersHash();
     base::MessageLoop::current()->PostDelayedTask(
         FROM_HERE,
         base::Bind(&PrintServerWatcherCUPS::CheckForUpdates, this),
         print_system_->GetUpdateTimeout());
     return true;
   }
 
-  virtual bool StopWatching() override {
+  bool StopWatching() override {
     delegate_ = NULL;
     return true;
   }
 
   void CheckForUpdates() {
     if (delegate_ == NULL)
       return;  // Orphan call. We have been stopped already.
     VLOG(1) << "CP_CUPS: Checking for new printers";
     std::string new_hash = GetPrintersHash();
     if (printers_hash_ != new_hash) {
       printers_hash_ = new_hash;
       delegate_->OnPrinterAdded();
     }
     base::MessageLoop::current()->PostDelayedTask(
         FROM_HERE,
         base::Bind(&PrintServerWatcherCUPS::CheckForUpdates, this),
         print_system_->GetUpdateTimeout());
   }
 
  protected:
-  virtual ~PrintServerWatcherCUPS() {
-    StopWatching();
-  }
+  ~PrintServerWatcherCUPS() override { StopWatching(); }
 
  private:
   std::string GetPrintersHash() {
     printing::PrinterList printer_list;
     print_system_->EnumeratePrinters(&printer_list);
 
     // Sort printer names.
     std::vector<std::string> printers;
     printing::PrinterList::iterator it;
     for (it = printer_list.begin(); it != printer_list.end(); ++it)
@@ skipping 18 matching lines @@
     : public PrintSystem::PrinterWatcher {
  public:
   PrinterWatcherCUPS(PrintSystemCUPS* print_system,
                      const std::string& printer_name)
       : printer_name_(printer_name),
         delegate_(NULL),
         print_system_(print_system) {
   }
 
   // PrintSystem::PrinterWatcher implementation.
-  virtual bool StartWatching(
-      PrintSystem::PrinterWatcher::Delegate* delegate) override{
+  bool StartWatching(PrintSystem::PrinterWatcher::Delegate* delegate) override {
     scoped_refptr<printing::PrintBackend> print_backend(
         printing::PrintBackend::CreateInstance(NULL));
     crash_keys::ScopedPrinterInfo crash_key(
         print_backend->GetPrinterDriverInfo(printer_name_));
     if (delegate_ != NULL)
       StopWatching();
     delegate_ = delegate;
     settings_hash_ = GetSettingsHash();
     // Schedule next job status update.
     base::MessageLoop::current()->PostDelayedTask(
         FROM_HERE,
         base::Bind(&PrinterWatcherCUPS::JobStatusUpdate, this),
         base::TimeDelta::FromSeconds(kJobUpdateTimeoutSeconds));
     // Schedule next printer check.
     // TODO(gene): Randomize time for the next printer update.
     base::MessageLoop::current()->PostDelayedTask(
         FROM_HERE,
         base::Bind(&PrinterWatcherCUPS::PrinterUpdate, this),
         print_system_->GetUpdateTimeout());
     return true;
   }
 
-  virtual bool StopWatching() override{
+  bool StopWatching() override {
     delegate_ = NULL;
     return true;
   }
 
-  virtual bool GetCurrentPrinterInfo(
+  bool GetCurrentPrinterInfo(
       printing::PrinterBasicInfo* printer_info) override {
     DCHECK(printer_info);
     return print_system_->GetPrinterInfo(printer_name_, printer_info);
   }
 
   void JobStatusUpdate() {
     if (delegate_ == NULL)
       return;  // Orphan call. We have been stopped already.
     // For CUPS proxy, we are going to fire OnJobChanged notification
     // periodically. Higher level will check if there are any outstanding
@@ skipping 25 matching lines @@
                 << ", printer name: " << printer_name_;
       }
     }
     base::MessageLoop::current()->PostDelayedTask(
         FROM_HERE,
         base::Bind(&PrinterWatcherCUPS::PrinterUpdate, this),
         print_system_->GetUpdateTimeout());
   }
 
  protected:
-  virtual ~PrinterWatcherCUPS() {
-    StopWatching();
-  }
+  ~PrinterWatcherCUPS() override { StopWatching(); }
 
  private:
   std::string GetSettingsHash() {
     printing::PrinterBasicInfo info;
     if (!print_system_->GetPrinterInfo(printer_name_, &info))
       return std::string();
 
     printing::PrinterCapsAndDefaults caps;
     if (!print_system_->GetPrinterCapsAndDefaults(printer_name_, &caps))
       return std::string();
@@ skipping 22 matching lines @@
 };
 
 class JobSpoolerCUPS : public PrintSystem::JobSpooler {
  public:
   explicit JobSpoolerCUPS(PrintSystemCUPS* print_system)
       : print_system_(print_system) {
     DCHECK(print_system_.get());
   }
 
   // PrintSystem::JobSpooler implementation.
-  virtual bool Spool(const std::string& print_ticket,
-                     const std::string& print_ticket_mime_type,
-                     const base::FilePath& print_data_file_path,
-                     const std::string& print_data_mime_type,
-                     const std::string& printer_name,
-                     const std::string& job_title,
-                     const std::vector<std::string>& tags,
-                     JobSpooler::Delegate* delegate) override{
+  bool Spool(const std::string& print_ticket,
+             const std::string& print_ticket_mime_type,
+             const base::FilePath& print_data_file_path,
+             const std::string& print_data_mime_type,
+             const std::string& printer_name,
+             const std::string& job_title,
+             const std::vector<std::string>& tags,
+             JobSpooler::Delegate* delegate) override {
     DCHECK(delegate);
     bool dry_run = false;
     int job_id = print_system_->SpoolPrintJob(
         print_ticket, print_data_file_path, print_data_mime_type,
         printer_name, job_title, tags, &dry_run);
     base::MessageLoop::current()->PostTask(
         FROM_HERE,
         base::Bind(&JobSpoolerCUPS::NotifyDelegate, delegate, job_id, dry_run));
     return true;
   }
 
   static void NotifyDelegate(JobSpooler::Delegate* delegate,
                              int job_id, bool dry_run) {
     if (dry_run || job_id)
       delegate->OnJobSpoolSucceeded(job_id);
     else
       delegate->OnJobSpoolFailed();
   }
 
  protected:
-  virtual ~JobSpoolerCUPS() {}
+  ~JobSpoolerCUPS() override {}
 
  private:
   scoped_refptr<PrintSystemCUPS> print_system_;
 
   DISALLOW_COPY_AND_ASSIGN(JobSpoolerCUPS);
 };
 
 PrintSystemCUPS::PrintSystemCUPS(
     const base::DictionaryValue* print_system_settings)
     : update_timeout_(base::TimeDelta::FromMinutes(
@@ skipping 457 matching lines @@
 
 void PrintSystemCUPS::RunCapsCallback(
     const PrinterCapsAndDefaultsCallback& callback,
     bool succeeded,
     const std::string& printer_name,
     const printing::PrinterCapsAndDefaults& printer_info) {
   callback.Run(succeeded, printer_name, printer_info);
 }
 
 }  // namespace cloud_print