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

samplecode/SampleRotateCircles.cpp

Index: samplecode/SampleRotateCircles.cpp
diff --git a/samplecode/SampleRotateCircles.cpp b/samplecode/SampleRotateCircles.cpp
index 0687b0696ed2af70a9229b3b4ebec29eede5134f..139c23c9b5f09c2c1186672b715425d02cbb55cb 100644
--- a/samplecode/SampleRotateCircles.cpp
+++ b/samplecode/SampleRotateCircles.cpp
@@ -96,7 +96,7 @@ public:
     }
 
 protected:
-    virtual bool onQuery(SkEvent* evt) SK_OVERRIDE {
+    bool onQuery(SkEvent* evt) SK_OVERRIDE {
         if (SampleCode::TitleQ(*evt)) {
             SampleCode::TitleR(evt, "RotateCircles2");
             return true;
@@ -128,7 +128,7 @@ protected:
         canvas->drawBitmap(bm, 0, 0, NULL);
     }
 
-    virtual void onDrawContent(SkCanvas* canvas) SK_OVERRIDE {
+    void onDrawContent(SkCanvas* canvas) SK_OVERRIDE {
         SkScalar radius = 256;
         canvas->translate(10, 10);
 
@@ -236,7 +236,7 @@ public:
     }
 
 protected:
-    virtual bool onQuery(SkEvent* evt) SK_OVERRIDE {
+    bool onQuery(SkEvent* evt) SK_OVERRIDE {
         if (SampleCode::TitleQ(*evt)) {
             SampleCode::TitleR(evt, "RotateCircles3");
             return true;
@@ -244,7 +244,7 @@ protected:
         return this->INHERITED::onQuery(evt);
     }
 
-    virtual void onSizeChange() SK_OVERRIDE {
+    void onSizeChange() SK_OVERRIDE {
         fErrorControl.setXYWH(this->width() - 100, 30, 30, 400);
         fWidthControl.setXYWH(this->width() -  50, 30, 30, 400);
         fCubicButton.fBounds.setXYWH(this->width() - 50, 450, 30, 30);
@@ -350,7 +350,7 @@ protected:
         canvas->drawText(name, strlen(name), bounds.fLeft, bounds.bottom() + 11, paint);
     }
 
-    virtual void onDrawContent(SkCanvas* canvas) SK_OVERRIDE {
+    void onDrawContent(SkCanvas* canvas) SK_OVERRIDE {
         SkPath path;
         SkScalar width = fWidth;
 
@@ -450,7 +450,7 @@ protected:
         return (SkIntToScalar(y) - control.fTop) / control.height() * (max - min) + min;
     }
 
-    virtual bool onClick(Click* click) SK_OVERRIDE {
+    bool onClick(Click* click) SK_OVERRIDE {
         int index = ((MyClick*)click)->fIndex;
         if (index < (int) SK_ARRAY_COUNT(fPts)) {
             fPts[index].offset(SkIntToScalar(click->fICurr.fX - click->fIPrev.fX),