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

NOPRESUBMIT=true

BUG=skia:
DOCS_PREVIEW= https://skia.org/?cl=1037793002

Review URL: https://codereview.chromium.org/1037793002
diff --git a/src/images/SkImageDecoder_libjpeg.cpp b/src/images/SkImageDecoder_libjpeg.cpp
index 5eb8271..14df6e3 100644
--- a/src/images/SkImageDecoder_libjpeg.cpp
+++ b/src/images/SkImageDecoder_libjpeg.cpp
@@ -232,19 +232,19 @@
     }
 #endif
 
-    Format getFormat() const SK_OVERRIDE {
+    Format getFormat() const override {
         return kJPEG_Format;
     }
 
 protected:
 #ifdef SK_BUILD_FOR_ANDROID
-    bool onBuildTileIndex(SkStreamRewindable *stream, int *width, int *height) SK_OVERRIDE;
-    bool onDecodeSubset(SkBitmap* bitmap, const SkIRect& rect) SK_OVERRIDE;
+    bool onBuildTileIndex(SkStreamRewindable *stream, int *width, int *height) override;
+    bool onDecodeSubset(SkBitmap* bitmap, const SkIRect& rect) override;
 #endif
-    Result onDecode(SkStream* stream, SkBitmap* bm, Mode) SK_OVERRIDE;
+    Result onDecode(SkStream* stream, SkBitmap* bm, Mode) override;
     virtual bool onDecodeYUV8Planes(SkStream* stream, SkISize componentSizes[3],
                                     void* planes[3], size_t rowBytes[3],
-                                    SkYUVColorSpace* colorSpace) SK_OVERRIDE;
+                                    SkYUVColorSpace* colorSpace) override;
 
 private:
 #ifdef SK_BUILD_FOR_ANDROID