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

samplecode/SampleTextAlpha.cpp

Index: samplecode/SampleTextAlpha.cpp
diff --git a/samplecode/SampleTextAlpha.cpp b/samplecode/SampleTextAlpha.cpp
index f5c8e9da14b4e94e5c005b9784b527e82bafe115..58e1db2686d21d34b711cdeeb31f231279a63ca1 100644
--- a/samplecode/SampleTextAlpha.cpp
+++ b/samplecode/SampleTextAlpha.cpp
@@ -36,7 +36,7 @@ public:
 
 protected:
     // overrides from SkEventSink
-    virtual bool onQuery(SkEvent* evt) SK_OVERRIDE {
+    bool onQuery(SkEvent* evt) SK_OVERRIDE {
         if (SampleCode::TitleQ(*evt)) {
             SampleCode::TitleR(evt, "TextAlpha");
             return true;
@@ -44,7 +44,7 @@ protected:
         return this->INHERITED::onQuery(evt);
     }
 
-    virtual void onDrawContent(SkCanvas* canvas) SK_OVERRIDE {
+    void onDrawContent(SkCanvas* canvas) SK_OVERRIDE {
         const char* str = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
         SkPaint paint;
         SkScalar    x = SkIntToScalar(10);
@@ -69,11 +69,11 @@ protected:
         }
     }
 
-    virtual SkView::Click* onFindClickHandler(SkScalar x, SkScalar y, unsigned) SK_OVERRIDE {
+    SkView::Click* onFindClickHandler(SkScalar x, SkScalar y, unsigned) SK_OVERRIDE {
         return new Click(this);
     }
 
-    virtual bool onClick(Click* click) SK_OVERRIDE {
+    bool onClick(Click* click) SK_OVERRIDE {
         int y = click->fICurr.fY;
         if (y < 0) {
             y = 0;