Standardize usage of virtual/override/final in printing/

printing/printing_context_mac.h

 // Copyright (c) 2011 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.
 
 #ifndef PRINTING_PRINTING_CONTEXT_MAC_H_
 #define PRINTING_PRINTING_CONTEXT_MAC_H_
 
 #include <string>
 
 #include "base/mac/scoped_nsobject.h"
 #include "printing/print_job_constants.h"
 #include "printing/printing_context.h"
 
 #ifdef __OBJC__
 @class NSPrintInfo;
 #else
 class NSPrintInfo;
 #endif  // __OBJC__
 
 namespace printing {
 
 class PRINTING_EXPORT PrintingContextMac : public PrintingContext {
  public:
   explicit PrintingContextMac(Delegate* delegate);
-  virtual ~PrintingContextMac();
+  ~PrintingContextMac() override;
 
   // PrintingContext implementation.
-  virtual void AskUserForSettings(
-      int max_pages,
-      bool has_selection,
-      const PrintSettingsCallback& callback) override;
-  virtual Result UseDefaultSettings() override;
-  virtual gfx::Size GetPdfPaperSizeDeviceUnits() override;
-  virtual Result UpdatePrinterSettings(bool external_preview,
-                                       bool show_system_dialog) override;
-  virtual Result InitWithSettings(const PrintSettings& settings) override;
-  virtual Result NewDocument(const base::string16& document_name) override;
-  virtual Result NewPage() override;
-  virtual Result PageDone() override;
-  virtual Result DocumentDone() override;
-  virtual void Cancel() override;
-  virtual void ReleaseContext() override;
-  virtual gfx::NativeDrawingContext context() const override;
+  void AskUserForSettings(int max_pages,
+                          bool has_selection,
+                          const PrintSettingsCallback& callback) override;
+  Result UseDefaultSettings() override;
+  gfx::Size GetPdfPaperSizeDeviceUnits() override;
+  Result UpdatePrinterSettings(bool external_preview,
+                               bool show_system_dialog) override;
+  Result InitWithSettings(const PrintSettings& settings) override;
+  Result NewDocument(const base::string16& document_name) override;
+  Result NewPage() override;
+  Result PageDone() override;
+  Result DocumentDone() override;
+  void Cancel() override;
+  void ReleaseContext() override;
+  gfx::NativeDrawingContext context() const override;
 
  private:
   // Initializes PrintSettings from |print_info_|. This must be called
   // after changes to |print_info_| in order for the changes to take effect in
   // printing.
   // This function ignores the page range information specified in the print
   // info object and use |settings_.ranges| instead.
   void InitPrintSettingsFromPrintInfo();
 
   // Returns the set of page ranges constructed from |print_info_|.
@@ skipping 42 matching lines @@
   // The current page's context; only valid between NewPage and PageDone call
   // pairs.
   CGContext* context_;
 
   DISALLOW_COPY_AND_ASSIGN(PrintingContextMac);
 };
 
 }  // namespace printing
 
 #endif  // PRINTING_PRINTING_CONTEXT_MAC_H_