Update {virtual,override} to follow C++11 style in src/fonts.

src/fonts/SkFontMgr_fontconfig.cpp

 /*
  * Copyright 2013 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkFontMgr.h"
 #include "SkFontStyle.h"
 #include "SkFontConfigInterface.h"
@@ skipping 265 matching lines @@
                 *trimmedMatches.append() = match[i];
             }
         }
 
         SkFontStyleSet_FC* sset = SkNEW_ARGS(SkFontStyleSet_FC,
                                              (trimmedMatches.begin(),
                                               trimmedMatches.count()));
         return sset;
     }
 
-    virtual SkTypeface* onMatchFamilyStyle(const char familyName[],
-                                           const SkFontStyle&) const override { return NULL; }
-    virtual SkTypeface* onMatchFamilyStyleCharacter(const char familyName[], const SkFontStyle&,
-                                                    const char* bcp47[], int bcp47Count,
-                                                    SkUnichar character) const override {
+    SkTypeface* onMatchFamilyStyle(const char familyName[],
+                                   const SkFontStyle&) const override { return NULL; }
+    SkTypeface* onMatchFamilyStyleCharacter(const char familyName[], const SkFontStyle&,
+                                            const char* bcp47[], int bcp47Count,
+                                            SkUnichar character) const override {
         return NULL;
     }
-    virtual SkTypeface* onMatchFaceStyle(const SkTypeface*,
-                                         const SkFontStyle&) const override { return NULL; }
+    SkTypeface* onMatchFaceStyle(const SkTypeface*,
+                                 const SkFontStyle&) const override { return NULL; }
 
     SkTypeface* onCreateFromData(SkData*, int ttcIndex) const override { return NULL; }
 
     SkTypeface* onCreateFromStream(SkStreamAsset* bareStream, int ttcIndex) const override {
         SkAutoTDelete<SkStreamAsset> stream(bareStream);
         const size_t length = stream->getLength();
         if (!length) {
             return NULL;
         }
         if (length >= 1024 * 1024 * 1024) {
             return NULL;  // don't accept too large fonts (>= 1GB) for safety.
         }
 
         // TODO should the caller give us the style or should we get it from freetype?
         SkFontStyle style;
         bool isFixedWidth = false;
         if (!fScanner.scanFont(stream, 0, NULL, &style, &isFixedWidth)) {
             return NULL;
         }
 
         SkTypeface* face = FontConfigTypeface::Create(style, isFixedWidth, stream.detach());
         return face;
     }
 
     SkTypeface* onCreateFromFile(const char path[], int ttcIndex) const override {
         SkAutoTDelete<SkStreamAsset> stream(SkStream::NewFromFile(path));
         return stream.get() ? this->createFromStream(stream.detach(), ttcIndex) : NULL;
     }
 
-    virtual SkTypeface* onLegacyCreateTypeface(const char familyName[],
-                                               unsigned styleBits) const override {
+    SkTypeface* onLegacyCreateTypeface(const char familyName[],
+                                       unsigned styleBits) const override {
         FCLocker lock;
         return FontConfigTypeface::LegacyCreateTypeface(familyName, (SkTypeface::Style)styleBits);
     }
 };
 
 SkFontMgr* SkFontMgr::Factory() {
     SkFontConfigInterface* fci = RefFCI();
     return fci ? SkNEW_ARGS(SkFontMgr_fontconfig, (fci)) : NULL;
 }