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

dm/DMSKPTask.h

 #ifndef DMSKPTask_DEFINED
 #define DMSKPTask_DEFINED
 
 #include "DMReporter.h"
 #include "DMTask.h"
 #include "DMTaskRunner.h"
 #include "SkPicture.h"
 #include "SkString.h"
 #include "SkTemplates.h"
 
 // Draws an SKP to a raster canvas, then compares it with some other modes.
 
 namespace DM {
 
 class SKPTask : public CpuTask {
 public:
     SKPTask(Reporter*, TaskRunner*, const SkPicture*, SkString name);
 
-    virtual void draw() SK_OVERRIDE;
-    virtual bool shouldSkip() const SK_OVERRIDE { return false; }
-    virtual SkString name() const SK_OVERRIDE { return fName; }
+    void draw() SK_OVERRIDE;
+    bool shouldSkip() const SK_OVERRIDE { return false; }
+    SkString name() const SK_OVERRIDE { return fName; }
 
 private:
     SkAutoTUnref<const SkPicture> fPicture;
     const SkString fName;
 };
 
 }  // namespace DM
 
 #endif // DMSKPTask_DEFINED