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

tests/CachedDecodingPixelRefTest.cpp

 /*
  * Copyright 2013 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkBitmap.h"
 #include "SkCachingPixelRef.h"
 #include "SkCanvas.h"
@@ skipping 160 matching lines @@
     static int Width() { return 10; }
     static int Height() { return 10; }
     static uint32_t Color() { return 0xff123456; }
     TestImageGenerator(TestType type, skiatest::Reporter* reporter)
         : fType(type), fReporter(reporter) {
         SkASSERT((fType <= kLast_TestType) && (fType >= 0));
     }
     virtual ~TestImageGenerator() { }
 
 protected:
-    virtual bool onGetInfo(SkImageInfo* info) SK_OVERRIDE {
+    bool onGetInfo(SkImageInfo* info) SK_OVERRIDE {
         REPORTER_ASSERT(fReporter, info);
         if ((NULL == info) || (kFailGetInfo_TestType == fType)) {
             return false;
         }
         *info = SkImageInfo::MakeN32(TestImageGenerator::Width(),
                                      TestImageGenerator::Height(),
                                      kOpaque_SkAlphaType);
         return true;
     }
 
@@ skipping 155 matching lines @@
         canvas.clear(kDefaultColor);
         canvas.drawImage(image, 0, 0, NULL);
         if (TestImageGenerator::kSucceedGetPixels_TestType == test) {
             REPORTER_ASSERT(
                     r, TestImageGenerator::Color() == *bitmap.getAddr32(0, 0));
         } else {
             REPORTER_ASSERT(r, kDefaultColor == bitmap.getColor(0,0));
         }
     }
 }