Standardize usage of virtual/override/final in media/

media/filters/skcanvas_video_renderer.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 "media/filters/skcanvas_video_renderer.h"
 
 #include "base/logging.h"
 #include "media/base/video_frame.h"
 #include "media/base/yuv_convert.h"
 #include "third_party/libyuv/include/libyuv.h"
@@ skipping 193 matching lines @@
       break;
   }
 }
 
 // Generates an RGB image from a VideoFrame.
 class VideoImageGenerator : public SkImageGenerator {
  public:
   VideoImageGenerator(const scoped_refptr<VideoFrame>& frame) : frame_(frame) {
     DCHECK(frame_.get());
   }
-  virtual ~VideoImageGenerator() {}
+  ~VideoImageGenerator() override {}
 
   void set_frame(const scoped_refptr<VideoFrame>& frame) { frame_ = frame; }
 
  protected:
-  virtual bool onGetInfo(SkImageInfo* info) override {
+  bool onGetInfo(SkImageInfo* info) override {
     info->fWidth = frame_->visible_rect().width();
     info->fHeight = frame_->visible_rect().height();
     info->fColorType = kN32_SkColorType;
     info->fAlphaType = kPremul_SkAlphaType;
     return true;
   }
 
-  virtual bool onGetPixels(const SkImageInfo& info,
-                           void* pixels,
-                           size_t row_bytes,
-                           SkPMColor ctable[],
-                           int* ctable_count) override {
+  bool onGetPixels(const SkImageInfo& info,
+                   void* pixels,
+                   size_t row_bytes,
+                   SkPMColor ctable[],
+                   int* ctable_count) override {
     if (!frame_.get())
       return false;
     if (!pixels)
       return false;
     // If skia couldn't do the YUV conversion, we will.
     ConvertVideoFrameToRGBPixels(frame_, pixels, row_bytes);
     return true;
   }
 
-  virtual bool onGetYUV8Planes(SkISize sizes[3],
-                               void* planes[3],
-                               size_t row_bytes[3],
-                               SkYUVColorSpace* color_space) override {
+  bool onGetYUV8Planes(SkISize sizes[3],
+                       void* planes[3],
+                       size_t row_bytes[3],
+                       SkYUVColorSpace* color_space) override {
     if (!frame_.get() || !IsYUV(frame_->format()))
       return false;
 
     if (color_space) {
       if (IsJPEGColorSpace(frame_->format()))
         *color_space = kJPEG_SkYUVColorSpace;
       else
         *color_space = kRec601_SkYUVColorSpace;
     }
 
@@ skipping 135 matching lines @@
                                  SkCanvas* canvas) {
   Paint(video_frame,
         canvas,
         video_frame->visible_rect(),
         0xff,
         SkXfermode::kSrc_Mode,
         media::VIDEO_ROTATION_0);
 }
 
 }  // namespace media