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/bench/BlurRectBench.cpp b/bench/BlurRectBench.cpp
index cdcdfe5..66aff22 100644
--- a/bench/BlurRectBench.cpp
+++ b/bench/BlurRectBench.cpp
@@ -88,7 +88,7 @@
         this->setName(name);
     }
 protected:
-    virtual void makeBlurryRect(const SkRect& r) SK_OVERRIDE {
+    void makeBlurryRect(const SkRect& r) SK_OVERRIDE {
         SkMask mask;
         SkBlurMask::BlurRect(SkBlurMask::ConvertRadiusToSigma(this->radius()),
                              &mask, r, kNormal_SkBlurStyle);
@@ -110,7 +110,7 @@
     }
 
 protected:
-    virtual void preBenchSetup(const SkRect& r) SK_OVERRIDE {
+    void preBenchSetup(const SkRect& r) SK_OVERRIDE {
         SkMask::FreeImage(fSrcMask.fImage);
 
         r.roundOut(&fSrcMask.fBounds);
@@ -142,7 +142,7 @@
 
 protected:
 
-    virtual void makeBlurryRect(const SkRect&) SK_OVERRIDE {
+    void makeBlurryRect(const SkRect&) SK_OVERRIDE {
         SkMask mask;
         mask.fImage = NULL;
         SkBlurMask::BoxBlur(&mask, fSrcMask, SkBlurMask::ConvertRadiusToSigma(this->radius()),
@@ -169,7 +169,7 @@
 
 protected:
 
-    virtual void makeBlurryRect(const SkRect&) SK_OVERRIDE {
+    void makeBlurryRect(const SkRect&) SK_OVERRIDE {
         SkMask mask;
         mask.fImage = NULL;
         SkBlurMask::BlurGroundTruth(SkBlurMask::ConvertRadiusToSigma(this->radius()),