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

src/core/SkBitmapCache.cpp

Index: src/core/SkBitmapCache.cpp
diff --git a/src/core/SkBitmapCache.cpp b/src/core/SkBitmapCache.cpp
index 193a5ae53627fffc223b563a23a34c01b3ae9004..3af582232ba9b8eb0b0014874c015d7eaa2d0c96 100644
--- a/src/core/SkBitmapCache.cpp
+++ b/src/core/SkBitmapCache.cpp
@@ -61,8 +61,8 @@ struct BitmapRec : public SkResourceCache::Rec {
     BitmapKey   fKey;
     SkBitmap    fBitmap;
 
-    virtual const Key& getKey() const SK_OVERRIDE { return fKey; }
-    virtual size_t bytesUsed() const SK_OVERRIDE { return sizeof(fKey) + fBitmap.getSize(); }
+    const Key& getKey() const SK_OVERRIDE { return fKey; }
+    size_t bytesUsed() const SK_OVERRIDE { return sizeof(fKey) + fBitmap.getSize(); }
 
     static bool Visitor(const SkResourceCache::Rec& baseRec, void* contextBitmap) {
         const BitmapRec& rec = static_cast<const BitmapRec&>(baseRec);
@@ -139,8 +139,8 @@ struct MipMapRec : public SkResourceCache::Rec {
         fMipMap->detachFromCacheAndUnref();
     }
 
-    virtual const Key& getKey() const SK_OVERRIDE { return fKey; }
-    virtual size_t bytesUsed() const SK_OVERRIDE { return sizeof(fKey) + fMipMap->size(); }
+    const Key& getKey() const SK_OVERRIDE { return fKey; }
+    size_t bytesUsed() const SK_OVERRIDE { return sizeof(fKey) + fMipMap->size(); }
 
     static bool Visitor(const SkResourceCache::Rec& baseRec, void* contextMip) {
         const MipMapRec& rec = static_cast<const MipMapRec&>(baseRec);