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

src/utils/SkGatherPixelRefsAndRects.h

Index: src/utils/SkGatherPixelRefsAndRects.h
diff --git a/src/utils/SkGatherPixelRefsAndRects.h b/src/utils/SkGatherPixelRefsAndRects.h
index 9589c3ea3852ba8a5fb2ffeccc13d47823c9186b..6f1e1b5e469c1febc5b911935d27678ab6880cf9 100644
--- a/src/utils/SkGatherPixelRefsAndRects.h
+++ b/src/utils/SkGatherPixelRefsAndRects.h
@@ -35,12 +35,12 @@ public:
         SkSafeUnref(fPRCont);
     }
 
-    virtual SkImageInfo imageInfo() const SK_OVERRIDE {
+    SkImageInfo imageInfo() const SK_OVERRIDE {
         return fEmptyBitmap.info();
     }
 
 protected:
-    virtual void drawPaint(const SkDraw& draw, const SkPaint& paint) SK_OVERRIDE {
+    void drawPaint(const SkDraw& draw, const SkPaint& paint) SK_OVERRIDE {
         SkBitmap bm;
 
         if (GetBitmapFromPaint(paint, &bm)) {
@@ -268,13 +268,13 @@ protected:
         NothingToDo();
     }
     // TODO: allow this call to return failure, or move to SkBitmapDevice only.
-    virtual const SkBitmap& onAccessBitmap() SK_OVERRIDE {
+    const SkBitmap& onAccessBitmap() SK_OVERRIDE {
         return fEmptyBitmap;
     }
-    virtual void lockPixels() SK_OVERRIDE { NothingToDo(); }
-    virtual void unlockPixels() SK_OVERRIDE { NothingToDo(); }
-    virtual bool allowImageFilter(const SkImageFilter*) SK_OVERRIDE { return false; }
-    virtual bool canHandleImageFilter(const SkImageFilter*) SK_OVERRIDE { return false; }
+    void lockPixels() SK_OVERRIDE { NothingToDo(); }
+    void unlockPixels() SK_OVERRIDE { NothingToDo(); }
+    bool allowImageFilter(const SkImageFilter*) SK_OVERRIDE { return false; }
+    bool canHandleImageFilter(const SkImageFilter*) SK_OVERRIDE { return false; }
     virtual bool filterImage(const SkImageFilter*, const SkBitmap&, const SkImageFilter::Context&,
                              SkBitmap* result, SkIPoint* offset) SK_OVERRIDE {
         return false;
@@ -296,11 +296,11 @@ private:
         return false;
     }
 
-    virtual void replaceBitmapBackendForRasterSurface(const SkBitmap&) SK_OVERRIDE {
+    void replaceBitmapBackendForRasterSurface(const SkBitmap&) SK_OVERRIDE {
         NotSupported();
     }
 
-    virtual SkBaseDevice* onCreateCompatibleDevice(const CreateInfo& info) SK_OVERRIDE {
+    SkBaseDevice* onCreateCompatibleDevice(const CreateInfo& info) SK_OVERRIDE {
         // we expect to only get called via savelayer, in which case it is fine.
         SkASSERT(kSaveLayer_Usage == info.fUsage);
         return SkNEW_ARGS(SkGatherPixelRefsAndRectsDevice,