Add check for highp support in Conic effect

include/gpu/GrCaps.h

Index: include/gpu/GrCaps.h
diff --git a/include/gpu/GrCaps.h b/include/gpu/GrCaps.h
index 6d3b66af210ae74ab1c91fa39cab7cbc5c01be1b..3a6d27ba6647214fe2c565f31aa4f8e9f7ddf842 100644
--- a/include/gpu/GrCaps.h
+++ b/include/gpu/GrCaps.h
@@ -70,7 +70,7 @@ public:
     * called.
     */
     const PrecisionInfo& getFloatShaderPrecisionInfo(GrShaderType shaderType,
-        GrSLPrecision precision) const {
+                                                     GrSLPrecision precision) const {
         return fFloatPrecisions[shaderType][precision];
     };