fix for calling bindFragDataLocation on OpenGL 2.1

src/gpu/gl/builders/GrGLFragmentShaderBuilder.cpp

Index: src/gpu/gl/builders/GrGLFragmentShaderBuilder.cpp
diff --git a/src/gpu/gl/builders/GrGLFragmentShaderBuilder.cpp b/src/gpu/gl/builders/GrGLFragmentShaderBuilder.cpp
index e6c07c2cdbee12c3e9ca65c4ee45694e4e31d58f..557cdbfa5834cc6ed342f478d85ebfb44f9ae3bd 100644
--- a/src/gpu/gl/builders/GrGLFragmentShaderBuilder.cpp
+++ b/src/gpu/gl/builders/GrGLFragmentShaderBuilder.cpp
@@ -264,9 +264,7 @@ bool GrGLFragmentShaderBuilder::compileAndAttachShaders(GrGLuint programId,
 }
 
 void GrGLFragmentShaderBuilder::bindFragmentShaderLocations(GrGLuint programID) {
-    // ES 3.00 requires custom color output but doesn't support bindFragDataLocation
-    if (fHasCustomColorOutput &&
-        kGLES_GrGLStandard != fProgramBuilder->gpu()->ctxInfo().standard()) {
+    if (fHasCustomColorOutput && fProgramBuilder->gpu()->glCaps().bindFragDataLocationSupport()) {
         GL_CALL(BindFragDataLocation(programID, 0, declared_color_output_name()));
     }
     if (fHasSecondaryOutput) {