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

This fixes every case where virtual and SK_OVERRIDE were on the same line,
which should be the bulk of cases.  We'll have to manually clean up the rest
over time unless I level up in regexes.

for f in (find . -type f); perl -p -i -e 's/virtual (.*)SK_OVERRIDE/\1SK_OVERRIDE/g' $f; end

BUG=skia:

Review URL: https://codereview.chromium.org/806653007
diff --git a/samplecode/SampleRepeatTile.cpp b/samplecode/SampleRepeatTile.cpp
index fbbc472..bfdfab8 100644
--- a/samplecode/SampleRepeatTile.cpp
+++ b/samplecode/SampleRepeatTile.cpp
@@ -49,7 +49,7 @@
 
 protected:
     // overrides from SkEventSink
-    virtual bool onQuery(SkEvent* evt) SK_OVERRIDE {
+    bool onQuery(SkEvent* evt) SK_OVERRIDE {
         if (SampleCode::TitleQ(*evt)) {
             SampleCode::TitleR(evt, "RepeatTile");
             return true;
@@ -57,7 +57,7 @@
         return this->INHERITED::onQuery(evt);
     }
 
-    virtual void onDrawContent(SkCanvas* canvas) SK_OVERRIDE {
+    void onDrawContent(SkCanvas* canvas) SK_OVERRIDE {
         SkPaint paint;
         make_paint(&paint, SkShader::kRepeat_TileMode);
 
@@ -66,13 +66,13 @@
         canvas->drawPaint(paint);
     }
 
-    virtual SkView::Click* onFindClickHandler(SkScalar x, SkScalar y, unsigned modi) SK_OVERRIDE {
+    SkView::Click* onFindClickHandler(SkScalar x, SkScalar y, unsigned modi) SK_OVERRIDE {
         this->inval(NULL);
 
         return this->INHERITED::onFindClickHandler(x, y, modi);
     }
 
-    virtual bool onClick(Click* click) SK_OVERRIDE {
+    bool onClick(Click* click) SK_OVERRIDE {
         return this->INHERITED::onClick(click);
     }