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

src/gpu/gl/GrGLVertexArray.h

Index: src/gpu/gl/GrGLVertexArray.h
diff --git a/src/gpu/gl/GrGLVertexArray.h b/src/gpu/gl/GrGLVertexArray.h
index 792fd940e73a6a8320dbdf9dfa3c46c67b297e73..f795ed85d2422df8105ff25bdcbab0b5ea502e97 100644
--- a/src/gpu/gl/GrGLVertexArray.h
+++ b/src/gpu/gl/GrGLVertexArray.h
@@ -160,11 +160,11 @@ public:
     void invalidateCachedState();
 
 protected:
-    virtual size_t onGpuMemorySize() const SK_OVERRIDE { return 0; }
+    size_t onGpuMemorySize() const SK_OVERRIDE { return 0; }
 
-    virtual void onAbandon() SK_OVERRIDE;
+    void onAbandon() SK_OVERRIDE;
 
-    virtual void onRelease() SK_OVERRIDE;
+    void onRelease() SK_OVERRIDE;
 
 private:
     GrGLuint                fID;