C++11 override should now be supported by all of {bots,Chrome,Android,Mozilla}

tools/render_pdfs_main.cpp

Index: tools/render_pdfs_main.cpp
diff --git a/tools/render_pdfs_main.cpp b/tools/render_pdfs_main.cpp
index 4820a335f41b52222d51d14425b1f0ee663eb6e1..4e13f7ebd08a58cb3e109207cec48d3c3e83a3cc 100644
--- a/tools/render_pdfs_main.cpp
+++ b/tools/render_pdfs_main.cpp
@@ -98,11 +98,11 @@ namespace {
 class NullWStream : public SkWStream {
 public:
     NullWStream() : fBytesWritten(0) { }
-    bool write(const void*, size_t size) SK_OVERRIDE {
+    bool write(const void*, size_t size) override {
         fBytesWritten += size;
         return true;
     }
-    size_t bytesWritten() const SK_OVERRIDE { return fBytesWritten; }
+    size_t bytesWritten() const override { return fBytesWritten; }
     size_t fBytesWritten;
 };
 }  // namespace