Update more directories under src/ to follow C++11 style rule for {virtual,override}.

src/codec/SkCodec_libbmp.h

 /*
  * Copyright 2015 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkCodec.h"
 #include "SkColorTable.h"
 #include "SkImageInfo.h"
@@ skipping 45 matching lines @@
      */
     static SkCodec* NewFromIco(SkStream*);
 
 protected:
 
     /*
      *
      * Initiates the bmp decode
      *
      */
-    virtual Result onGetPixels(const SkImageInfo& dstInfo, void* dst,
-                               size_t dstRowBytes, const Options&, SkPMColor*,
-                               int*) override;
+    Result onGetPixels(const SkImageInfo& dstInfo, void* dst,
+                       size_t dstRowBytes, const Options&, SkPMColor*,
+                       int*) override;
 
     SkEncodedFormat onGetEncodedFormat() const override { return kBMP_SkEncodedFormat; }
 
 private:
 
     /*
      *
      * Used to define the input format of the bmp
      *
      */
@@ skipping 105 matching lines @@
     SkAutoTUnref<SkColorTable>          fColorTable;     // owned
     uint32_t                            fNumColors;
     const uint32_t                      fBytesPerColor;
     const uint32_t                      fOffset;
     const RowOrder                      fRowOrder;
     const size_t                        fRLEBytes;
     const bool                          fIsIco;
 
     typedef SkCodec INHERITED;
 };