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

experimental/tools/multipage_pdf_profiler.cpp

Index: experimental/tools/multipage_pdf_profiler.cpp
diff --git a/experimental/tools/multipage_pdf_profiler.cpp b/experimental/tools/multipage_pdf_profiler.cpp
index 4f8eae2fb6fd8f3932fcf1b5c0acceb1fad20e7d..337db1f91a423b1769aa3183461b73f5af173772 100644
--- a/experimental/tools/multipage_pdf_profiler.cpp
+++ b/experimental/tools/multipage_pdf_profiler.cpp
@@ -31,11 +31,11 @@ class NullWStream : public SkWStream {
 public:
     NullWStream() : fBytesWritten(0) {
     }
-    virtual bool write(const void*, size_t size) SK_OVERRIDE {
+    bool write(const void*, size_t size) SK_OVERRIDE {
         fBytesWritten += size;
         return true;
     }
-    virtual size_t bytesWritten() const SK_OVERRIDE {
+    size_t bytesWritten() const SK_OVERRIDE {
         return fBytesWritten;
     }
     size_t fBytesWritten;