Add the "virtual" keyword on method overrides that are missing it.

webkit/glue/plugins/pepper_font.cc

 // Copyright (c) 2010 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 "webkit/glue/plugins/pepper_font.h"
 
 #include "base/logging.h"
 #include "base/utf_string_conversions.h"
 #include "ppapi/c/dev/ppb_font_dev.h"
 #include "ppapi/c/pp_rect.h"
@@ skipping 181 matching lines @@
 }
 
 Font::~Font() {
 }
 
 // static
 const PPB_Font_Dev* Font::GetInterface() {
   return &ppb_font;
 }
 
+Font* Font::AsFont() {
+  return this;
+}
+
 bool Font::Describe(PP_FontDescription_Dev* description,
                     PP_FontMetrics_Dev* metrics) {
   if (description->face.type != PP_VARTYPE_UNDEFINED)
     return false;
 
   WebFontDescription web_desc = font_->fontDescription();
 
   // While converting the other way in PPFontDescToWebFontDesc we validated
   // that the enums can be casted.
   description->face = StringVar::StringToPPVar(module(),
@@ skipping 73 matching lines @@
     return -1;
   if (char_offset >= run.text.length())
     return -1;
 
   WebFloatRect rect = font_->selectionRectForText(
       run, WebFloatPoint(0.0f, 0.0f), font_->height(), 0, char_offset);
   return static_cast<int>(rect.width);
 }
 
 }  // namespace pepper