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

tests/ImageCacheTest.cpp

Index: tests/ImageCacheTest.cpp
diff --git a/tests/ImageCacheTest.cpp b/tests/ImageCacheTest.cpp
index c34f9d97e98bead7d9b1904f2515f8426f61cd0b..a4cfa739890ff08167cc2e959d3a965471ac231c 100644
--- a/tests/ImageCacheTest.cpp
+++ b/tests/ImageCacheTest.cpp
@@ -24,8 +24,8 @@ struct TestingRec : public SkResourceCache::Rec {
     TestingKey  fKey;
     intptr_t    fValue;
 
-    virtual const Key& getKey() const SK_OVERRIDE { return fKey; }
-    virtual size_t bytesUsed() const SK_OVERRIDE { return sizeof(fKey) + sizeof(fValue); }
+    const Key& getKey() const SK_OVERRIDE { return fKey; }
+    size_t bytesUsed() const SK_OVERRIDE { return sizeof(fKey) + sizeof(fValue); }
 
     static bool Visitor(const SkResourceCache::Rec& baseRec, void* context) {
         const TestingRec& rec = static_cast<const TestingRec&>(baseRec);