Tracking uniform ownership

This is a prerequisite change for the upcoming sample(child, matrix)
function. By itself, this CL doesn't really change anything; it just
adds an ownership tracking feature which sample(child, matrix) depends
on.

Change-Id: I98b12e5fb062a2535af367931e7a932ea9c63a59
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/281337
Reviewed-by: Brian Salomon <bsalomon@google.com>
Commit-Queue: Ethan Nicholas <ethannicholas@google.com>
diff --git a/src/gpu/gradients/generated/GrClampedGradientEffect.cpp b/src/gpu/gradients/generated/GrClampedGradientEffect.cpp
index 2dd6ad0..a3ed56d 100644
--- a/src/gpu/gradients/generated/GrClampedGradientEffect.cpp
+++ b/src/gpu/gradients/generated/GrClampedGradientEffect.cpp
@@ -31,9 +31,9 @@
         (void)makePremul;
         auto colorsAreOpaque = _outer.colorsAreOpaque;
         (void)colorsAreOpaque;
-        leftBorderColorVar = args.fUniformHandler->addUniform(kFragment_GrShaderFlag,
+        leftBorderColorVar = args.fUniformHandler->addUniform(&_outer, kFragment_GrShaderFlag,
                                                               kHalf4_GrSLType, "leftBorderColor");
-        rightBorderColorVar = args.fUniformHandler->addUniform(kFragment_GrShaderFlag,
+        rightBorderColorVar = args.fUniformHandler->addUniform(&_outer, kFragment_GrShaderFlag,
                                                                kHalf4_GrSLType, "rightBorderColor");
         SkString _sample1099;
         _sample1099 = this->invokeChild(_outer.gradLayout_index, args);