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

gm/patheffects.cpp

Index: gm/patheffects.cpp
diff --git a/gm/patheffects.cpp b/gm/patheffects.cpp
index 00ae21529b858e817d85aea9681d97191d41ff84..b24bd90061a670b285704d1b44c491bac7c3e1aa 100644
--- a/gm/patheffects.cpp
+++ b/gm/patheffects.cpp
@@ -107,7 +107,7 @@ public:
     PathEffectGM() {}
 
 protected:
-    virtual uint32_t onGetFlags() const SK_OVERRIDE {
+    uint32_t onGetFlags() const SK_OVERRIDE {
         return kSkipTiled_Flag;
     }
 
@@ -117,7 +117,7 @@ protected:
 
     SkISize onISize() SK_OVERRIDE { return SkISize::Make(800, 600); }
 
-    virtual void onDraw(SkCanvas* canvas) SK_OVERRIDE {
+    void onDraw(SkCanvas* canvas) SK_OVERRIDE {
         SkPaint paint;
         paint.setAntiAlias(true);
         paint.setStyle(SkPaint::kStroke_Style);