Update {virtual,override} to follow C++11 style in printing.

printing/emf_win.h

 // 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.
 
 #ifndef PRINTING_EMF_WIN_H_
 #define PRINTING_EMF_WIN_H_
 
 #include <windows.h>
 
 #include <vector>
@@ skipping 23 matching lines @@
 // Simple wrapper class that manage an EMF data stream and its virtual HDC.
 class PRINTING_EXPORT Emf : public Metafile {
  public:
   class Record;
   class Enumerator;
   struct EnumerationContext;
 
   // Generates a virtual HDC that will record every GDI commands and compile
   // it in a EMF data stream.
   Emf();
-  virtual ~Emf();
+  ~Emf() override;
 
   // Closes metafile.
   void Close();
 
   // Generates a new metafile that will record every GDI command, and will
   // be saved to |metafile_path|.
   bool InitToFile(const base::FilePath& metafile_path);
 
   // Initializes the Emf with the data in |metafile_path|.
   bool InitFromFile(const base::FilePath& metafile_path);
 
   // Metafile methods.
-  virtual bool Init() override;
-  virtual bool InitFromData(const void* src_buffer,
-                            uint32 src_buffer_size) override;
+  bool Init() override;
+  bool InitFromData(const void* src_buffer,
+                    uint32 src_buffer_size) override;
 
   // Inserts a custom GDICOMMENT records indicating StartPage/EndPage calls
   // (since StartPage and EndPage do not work in a metafile DC). Only valid
   // when hdc_ is non-NULL. |page_size|, |content_area|, and |scale_factor| are
   // ignored.
-  virtual bool StartPage(const gfx::Size& page_size,
-                         const gfx::Rect& content_area,
-                         const float& scale_factor) override;
-  virtual bool FinishPage() override;
-  virtual bool FinishDocument() override;
+  bool StartPage(const gfx::Size& page_size,
+                 const gfx::Rect& content_area,
+                 const float& scale_factor) override;
+  bool FinishPage() override;
+  bool FinishDocument() override;
 
-  virtual uint32 GetDataSize() const override;
-  virtual bool GetData(void* buffer, uint32 size) const override;
+  uint32 GetDataSize() const override;
+  bool GetData(void* buffer, uint32 size) const override;
 
   // Should be passed to Playback to keep the exact same size.
-  virtual gfx::Rect GetPageBounds(unsigned int page_number) const override;
+  gfx::Rect GetPageBounds(unsigned int page_number) const override;
 
-  virtual unsigned int GetPageCount() const override { return 1; }
+  unsigned int GetPageCount() const override { return 1; }
 
-  virtual HDC context() const override {
+  HDC context() const override {
     return hdc_;
   }
 
-  virtual bool Playback(HDC hdc, const RECT* rect) const override;
-  virtual bool SafePlayback(HDC hdc) const override;
+  bool Playback(HDC hdc, const RECT* rect) const override;
+  bool SafePlayback(HDC hdc) const override;
 
   HENHMETAFILE emf() const { return emf_; }
 
   // Returns true if metafile contains alpha blend.
   bool IsAlphaBlendUsed() const;
 
   // Returns new metafile with only bitmap created by playback of the current
   // metafile. Returns NULL if fails.
   scoped_ptr<Emf> RasterizeMetafile(int raster_area_in_pixels) const;
 
@@ skipping 90 matching lines @@
   std::vector<Record> items_;
 
   EnumerationContext context_;
 
   DISALLOW_COPY_AND_ASSIGN(Enumerator);
 };
 
 }  // namespace printing
 
 #endif  // PRINTING_EMF_WIN_H_