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/OverView.cpp b/samplecode/OverView.cpp
index fec7fb3..5346c1a 100644
--- a/samplecode/OverView.cpp
+++ b/samplecode/OverView.cpp
@@ -24,8 +24,8 @@
 
 protected:
     // Overridden from SkEventSink:
-    virtual bool onEvent(const SkEvent&) SK_OVERRIDE;
-    virtual bool onQuery(SkEvent* evt) SK_OVERRIDE {
+    bool onEvent(const SkEvent&) SK_OVERRIDE;
+    bool onQuery(SkEvent* evt) SK_OVERRIDE {
         if (SampleCode::TitleQ(*evt)) {
             SampleCode::TitleR(evt, "Overview");
             return true;
@@ -38,18 +38,18 @@
 
 
     // Overridden from SkView:
-    virtual void onSizeChange() SK_OVERRIDE;
-    virtual void onDraw(SkCanvas* canvas) SK_OVERRIDE {
+    void onSizeChange() SK_OVERRIDE;
+    void onDraw(SkCanvas* canvas) SK_OVERRIDE {
         canvas->drawColor(SK_ColorLTGRAY);
     }
 
-    virtual SkCanvas* beforeChildren(SkCanvas*) SK_OVERRIDE;
+    SkCanvas* beforeChildren(SkCanvas*) SK_OVERRIDE;
 
-    virtual bool onSendClickToChildren(SkScalar x, SkScalar y, unsigned modi) SK_OVERRIDE {
+    bool onSendClickToChildren(SkScalar x, SkScalar y, unsigned modi) SK_OVERRIDE {
         return false;
     }
 
-    virtual Click* onFindClickHandler(SkScalar x, SkScalar y, unsigned modi) SK_OVERRIDE {
+    Click* onFindClickHandler(SkScalar x, SkScalar y, unsigned modi) SK_OVERRIDE {
         int ix = (int)(SkScalarDiv(x * N, kWidth));
         int iy = (int)(SkScalarDiv(y * N, kHeight));
         if (ix >= 0 && iy >= 0) {