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/src/effects/gradients/SkRadialGradient.cpp b/src/effects/gradients/SkRadialGradient.cpp
index 4f451b7..5ea2e72 100644
--- a/src/effects/gradients/SkRadialGradient.cpp
+++ b/src/effects/gradients/SkRadialGradient.cpp
@@ -498,14 +498,14 @@
 
     virtual ~GrRadialGradient() { }
 
-    virtual const char* name() const SK_OVERRIDE { return "Radial Gradient"; }
+    const char* name() const SK_OVERRIDE { return "Radial Gradient"; }
 
     virtual void getGLProcessorKey(const GrGLCaps& caps,
                                    GrProcessorKeyBuilder* b) const SK_OVERRIDE {
         GrGLRadialGradient::GenKey(*this, caps, b);
     }
 
-    virtual GrGLFragmentProcessor* createGLInstance() const SK_OVERRIDE {
+    GrGLFragmentProcessor* createGLInstance() const SK_OVERRIDE {
         return SkNEW_ARGS(GrGLRadialGradient, (*this));
     }