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

gm/tilemodes.cpp

Index: gm/tilemodes.cpp
diff --git a/gm/tilemodes.cpp b/gm/tilemodes.cpp
index 33d1b2347156003638c628d70f217b50dfc25f48..ad8aa12f4d3799be44d33c72321daf58a3b6a8c1 100644
--- a/gm/tilemodes.cpp
+++ b/gm/tilemodes.cpp
@@ -71,14 +71,14 @@ protected:
 
     SkISize onISize() SK_OVERRIDE { return SkISize::Make(880, 560); }
 
-    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 {
 
         int size = fPowerOfTwoSize ? kPOTSize : kNPOTSize;
 
@@ -194,7 +194,7 @@ public:
     }
 
 protected:
-    virtual uint32_t onGetFlags() const SK_OVERRIDE {
+    uint32_t onGetFlags() const SK_OVERRIDE {
         return kSkipTiled_Flag;
     }
 
@@ -204,7 +204,7 @@ 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);