Fix up -Winconsistent-missing-override

gm/simpleaaclip.cpp

 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 
 #include "gm.h"
 #include "SkCanvas.h"
@@ skipping 108 matching lines @@
         paint.setColor(color);
 
         SkRect r = SkRect::MakeLTRB(SkIntToScalar(90),  SkIntToScalar(90),
                                     SkIntToScalar(180), SkIntToScalar(180));
 
         canvas->drawRect(r, paint);
 
         canvas->restore();
     }
 
-    virtual SkString onShortName() {
+    SkString onShortName() override {
         SkString str;
         str.printf("simpleaaclip_%s",
                     kRect_GeomType == fGeomType ? "rect" :
                     (kPath_GeomType == fGeomType ? "path" :
                     "aaclip"));
         return str;
     }
 
-    virtual SkISize onISize() {
+    SkISize onISize() override {
         return SkISize::Make(640, 480);
     }
 
-    virtual void onDraw(SkCanvas* canvas) {
+    void onDraw(SkCanvas* canvas) override {
 
         static const struct {
             SkColor         fColor;
             const char*     fName;
             SkRegion::Op    fOp;
         } gOps[] = {
             { SK_ColorBLACK,    "Difference", SkRegion::kDifference_Op    },
             { SK_ColorRED,      "Intersect",  SkRegion::kIntersect_Op     },
             { 0xFF008800,       "Union",      SkRegion::kUnion_Op         },
             { SK_ColorGREEN,    "Rev Diff",   SkRegion::kReverseDifference_Op },
@@ skipping 41 matching lines @@
 };
 
 //////////////////////////////////////////////////////////////////////////////
 
 // rects
 DEF_GM( return new SimpleClipGM(SimpleClipGM::kRect_GeomType); )
 DEF_GM( return new SimpleClipGM(SimpleClipGM::kPath_GeomType); )
 DEF_GM( return new SimpleClipGM(SimpleClipGM::kAAClip_GeomType); )
 
 }