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

bench/PathIterBench.cpp

Index: bench/PathIterBench.cpp
diff --git a/bench/PathIterBench.cpp b/bench/PathIterBench.cpp
index b82146d1b2300f3883070d44fc182ebcc89284ca..c7a04bdd793790d95f1a26a9a48bc7420ff78d3f 100644
--- a/bench/PathIterBench.cpp
+++ b/bench/PathIterBench.cpp
@@ -56,16 +56,16 @@ public:
         }
     }
 
-    virtual bool isSuitableFor(Backend backend) SK_OVERRIDE {
+    bool isSuitableFor(Backend backend) SK_OVERRIDE {
         return backend == kNonRendering_Backend;
     }
 
 protected:
-    virtual const char* onGetName() SK_OVERRIDE {
+    const char* onGetName() SK_OVERRIDE {
         return fName.c_str();
     }
 
-    virtual void onDraw(const int loops, SkCanvas*) SK_OVERRIDE {
+    void onDraw(const int loops, SkCanvas*) SK_OVERRIDE {
         if (fRaw) {
             for (int i = 0; i < loops; ++i) {
                 SkPath::RawIter iter(fPath);