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

tests/CanvasTest.cpp

 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 /*  Description:
  *      This test defines a series of elementatry test steps that perform
  *      a single or a small group of canvas API calls. Each test step is
@@ skipping 174 matching lines @@
     SkIRect ar, br;
     a.getClipDeviceBounds(&ar);
     b.getClipDeviceBounds(&br);
     return ar == br;
 }
 
 class Canvas2CanvasClipVisitor : public SkCanvas::ClipVisitor {
 public:
     Canvas2CanvasClipVisitor(SkCanvas* target) : fTarget(target) {}
 
-    virtual void clipRect(const SkRect& r, SkRegion::Op op, bool aa) SK_OVERRIDE {
+    void clipRect(const SkRect& r, SkRegion::Op op, bool aa) SK_OVERRIDE {
         fTarget->clipRect(r, op, aa);
     }
-    virtual void clipRRect(const SkRRect& r, SkRegion::Op op, bool aa) SK_OVERRIDE {
+    void clipRRect(const SkRRect& r, SkRegion::Op op, bool aa) SK_OVERRIDE {
         fTarget->clipRRect(r, op, aa);
     }
-    virtual void clipPath(const SkPath& p, SkRegion::Op op, bool aa) SK_OVERRIDE {
+    void clipPath(const SkPath& p, SkRegion::Op op, bool aa) SK_OVERRIDE {
         fTarget->clipPath(p, op, aa);
     }
 
 private:
     SkCanvas* fTarget;
 };
 
 static void test_clipVisitor(skiatest::Reporter* reporter, SkCanvas* canvas) {
     SkISize size = canvas->getDeviceSize();
 
@@ skipping 566 matching lines @@
 
     n = canvas.saveLayer(NULL, NULL);
     REPORTER_ASSERT(reporter, 2 == n);
     REPORTER_ASSERT(reporter, 3 == canvas.getSaveCount());
     
     canvas.restore();
     REPORTER_ASSERT(reporter, 2 == canvas.getSaveCount());
     canvas.restore();
     REPORTER_ASSERT(reporter, 1 == canvas.getSaveCount());
 }