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

gm/polygons.cpp

Index: gm/polygons.cpp
diff --git a/gm/polygons.cpp b/gm/polygons.cpp
index 1d639780fd8f0be4dddfbfe8762bc006457d084e..e8d85040d27095d296ff113fe7d7382d77d51bc8 100644
--- a/gm/polygons.cpp
+++ b/gm/polygons.cpp
@@ -22,22 +22,22 @@ public:
     PolygonsGM() {}
 
 protected:
-    virtual uint32_t onGetFlags() const SK_OVERRIDE {
+    uint32_t onGetFlags() const SK_OVERRIDE {
         return kSkipTiled_Flag;
     }
 
-    virtual SkString onShortName() SK_OVERRIDE {
+    SkString onShortName() SK_OVERRIDE {
         return SkString("polygons");
     }
 
-    virtual SkISize onISize() SK_OVERRIDE {
+    SkISize onISize() SK_OVERRIDE {
         int width = kNumPolygons * kCellSize + 40;
         int height = (kNumJoins * kNumStrokeWidths + kNumExtraStyles) * kCellSize + 40;
         return SkISize::Make(width, height);
     }
 
     // Construct all polygons
-    virtual void onOnceBeforeDraw() SK_OVERRIDE {
+    void onOnceBeforeDraw() SK_OVERRIDE {
         SkPoint p0[] = {{0, 0}, {60, 0}, {90, 40}};  // triangle
         SkPoint p1[] = {{0, 0}, {0, 40}, {60, 40}, {40, 0}};  // trapezoid
         SkPoint p2[] = {{0, 0}, {40, 40}, {80, 40}, {40, 0}};  // diamond
@@ -97,7 +97,7 @@ protected:
         }
     }
 
-    virtual void onDraw(SkCanvas* canvas) SK_OVERRIDE {
+    void onDraw(SkCanvas* canvas) SK_OVERRIDE {
         // Stroke widths are:
         // 0(may use hairline rendering), 10(common case for stroke-style)
         // 40(>= geometry width/height, make the contour filled in fact)