Make addUniform take a precision

src/effects/SkColorCubeFilter.cpp

Index: src/effects/SkColorCubeFilter.cpp
diff --git a/src/effects/SkColorCubeFilter.cpp b/src/effects/SkColorCubeFilter.cpp
index c26229d60d283a6791c9a1148fa5f533df9e9d32..dd20a2701674e075bbeb0cfef67e6a1405c23cfd 100644
--- a/src/effects/SkColorCubeFilter.cpp
+++ b/src/effects/SkColorCubeFilter.cpp
@@ -281,10 +281,12 @@ void GrColorCubeEffect::GLProcessor::emitCode(GrGLFPBuilder* builder,
     }
 
     fColorCubeSizeUni = builder->addUniform(GrGLProgramBuilder::kFragment_Visibility,
-                                            kFloat_GrSLType, "Size");
+                                            kFloat_GrSLType, kDefault_GrSLPrecision,
+                                            "Size");
     const char* colorCubeSizeUni = builder->getUniformCStr(fColorCubeSizeUni);
     fColorCubeInvSizeUni = builder->addUniform(GrGLProgramBuilder::kFragment_Visibility,
-                                               kFloat_GrSLType, "InvSize");
+                                               kFloat_GrSLType, kDefault_GrSLPrecision,
+                                               "InvSize");
     const char* colorCubeInvSizeUni = builder->getUniformCStr(fColorCubeInvSizeUni);
 
     const char* nonZeroAlpha = "nonZeroAlpha";