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

gm/tilemodes_scaled.cpp

Index: gm/tilemodes_scaled.cpp
diff --git a/gm/tilemodes_scaled.cpp b/gm/tilemodes_scaled.cpp
index 32f640acaa045b6ae988ecb84d8bad4ead22c8f2..4edd11586f0b8151a592d1b51aa0575ad5da347c 100644
--- a/gm/tilemodes_scaled.cpp
+++ b/gm/tilemodes_scaled.cpp
@@ -75,21 +75,21 @@ protected:
 
 #ifdef SK_CPU_ARM64
     // Skip tiled drawing on 64-bit ARM until https://skbug.com/2908 is fixed.
-    virtual uint32_t onGetFlags() const SK_OVERRIDE {
+    uint32_t onGetFlags() const SK_OVERRIDE {
         return kSkipTiled_Flag;
     }
 #endif
 
     SkISize onISize() SK_OVERRIDE { return SkISize::Make(880, 760); }
 
-    virtual void onOnceBeforeDraw() SK_OVERRIDE {
+    void onOnceBeforeDraw() SK_OVERRIDE {
         int size = fPowerOfTwoSize ? kPOTSize : kNPOTSize;
         for (size_t i = 0; i < SK_ARRAY_COUNT(gColorTypes); i++) {
             makebm(&fTexture[i], gColorTypes[i], size, size);
         }
     }
 
-    virtual void onDraw(SkCanvas* canvas) SK_OVERRIDE {
+    void onDraw(SkCanvas* canvas) SK_OVERRIDE {
         float scale = 32.f/kPOTSize;
 
         int size = fPowerOfTwoSize ? kPOTSize : kNPOTSize;
@@ -213,7 +213,7 @@ public:
     }
 
 protected:
-    virtual uint32_t onGetFlags() const SK_OVERRIDE {
+    uint32_t onGetFlags() const SK_OVERRIDE {
         return kSkipTiled_Flag;
     }
 
@@ -223,7 +223,7 @@ protected:
 
     SkISize onISize() SK_OVERRIDE { return SkISize::Make(880, 560); }
 
-    virtual void onDraw(SkCanvas* canvas) SK_OVERRIDE {
+    void onDraw(SkCanvas* canvas) SK_OVERRIDE {
         canvas->scale(SkIntToScalar(3)/2, SkIntToScalar(3)/2);
 
         const SkScalar w = SkIntToScalar(gWidth);