Make addUniform take a precision

src/gpu/effects/GrOvalEffect.cpp

Index: src/gpu/effects/GrOvalEffect.cpp
diff --git a/src/gpu/effects/GrOvalEffect.cpp b/src/gpu/effects/GrOvalEffect.cpp
index 1ea93a927b7b5c80634e442de18e199cd8fc05c6..b750599aec664419252a6a254d8f48f0876689b1 100644
--- a/src/gpu/effects/GrOvalEffect.cpp
+++ b/src/gpu/effects/GrOvalEffect.cpp
@@ -131,7 +131,7 @@ void GLCircleEffect::emitCode(GrGLFPBuilder* builder,
     // The circle uniform is (center.x, center.y, radius + 0.5) for regular fills and
     // (... ,radius - 0.5) for inverse fills.
     fCircleUniform = builder->addUniform(GrGLProgramBuilder::kFragment_Visibility,
-                                         kVec3f_GrSLType,
+                                         kVec3f_GrSLType, kDefault_GrSLPrecision,
                                          "circle",
                                          &circleName);
 
@@ -308,7 +308,7 @@ void GLEllipseEffect::emitCode(GrGLFPBuilder* builder,
     const char *ellipseName;
     // The ellipse uniform is (center.x, center.y, 1 / rx^2, 1 / ry^2)
     fEllipseUniform = builder->addUniform(GrGLProgramBuilder::kFragment_Visibility,
-                                         kVec4f_GrSLType,
+                                         kVec4f_GrSLType, kDefault_GrSLPrecision,
                                          "ellipse",
                                          &ellipseName);