Fix up all the easy virtual ... SK_OVERRIDE cases.

gm/imagefiltersgraph.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 "SkArithmeticMode.h"
@@ skipping 48 matching lines @@
         *dst = device->accessBitmap(false);
         offset->fX += bounds.left();
         offset->fY += bounds.top();
         return true;
     }
 
     SK_TO_STRING_OVERRIDE()
     SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SimpleOffsetFilter);
 
 protected:
-    virtual void flatten(SkWriteBuffer& buffer) const SK_OVERRIDE {
+    void flatten(SkWriteBuffer& buffer) const SK_OVERRIDE {
         this->INHERITED::flatten(buffer);
         buffer.writeScalar(fDX);
         buffer.writeScalar(fDY);
     }
 
 private:
     SimpleOffsetFilter(SkScalar dx, SkScalar dy, SkImageFilter* input)
         : SkImageFilter(1, &input), fDX(dx), fDY(dy) {}
 
     SkScalar fDX, fDY;
@@ skipping 15 matching lines @@
     str->appendf("SimpleOffsetFilter: (");
     str->append(")");
 }
 #endif
 
 class ImageFiltersGraphGM : public skiagm::GM {
 public:
     ImageFiltersGraphGM() {}
 
 protected:
-    virtual uint32_t onGetFlags() const SK_OVERRIDE {
+    uint32_t onGetFlags() const SK_OVERRIDE {
         return kSkipTiled_Flag;
     }
 
     virtual SkString onShortName() {
         return SkString("imagefiltersgraph");
     }
 
     void make_bitmap() {
         fBitmap.allocN32Pixels(100, 100);
         SkCanvas canvas(fBitmap);
@@ skipping 111 matching lines @@
 
 private:
     typedef GM INHERITED;
     SkBitmap fBitmap;
 };
 
 ///////////////////////////////////////////////////////////////////////////////
 
 static skiagm::GM* MyFactory(void*) { return new ImageFiltersGraphGM; }
 static skiagm::GMRegistry reg(MyFactory);