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

src/gpu/effects/GrConfigConversionEffect.cpp

Index: src/gpu/effects/GrConfigConversionEffect.cpp
diff --git a/src/gpu/effects/GrConfigConversionEffect.cpp b/src/gpu/effects/GrConfigConversionEffect.cpp
index fedc4707bcc7e123e7519ea4ca59d75a6d21cdf9..27f8abf108e88c65d05c190349ba41e6a8f32ee9 100644
--- a/src/gpu/effects/GrConfigConversionEffect.cpp
+++ b/src/gpu/effects/GrConfigConversionEffect.cpp
@@ -27,7 +27,7 @@ public:
                           const char* outputColor,
                           const char* inputColor,
                           const TransformedCoordsArray& coords,
-                          const TextureSamplerArray& samplers) SK_OVERRIDE {
+                          const TextureSamplerArray& samplers) override {
         // Using highp for GLES here in order to avoid some precision issues on specific GPUs.
         GrGLShaderVar tmpVar("tmpColor", kVec4f_GrSLType, 0, kHigh_GrSLPrecision);
         SkString tmpDecl;