Don't require GrPipelineBuilder to build GrPipeline

Change-Id: Ic978913aa9dd0811eac102755934d77b4853a568
Reviewed-on: https://skia-review.googlesource.com/7207
Commit-Queue: Brian Salomon <bsalomon@google.com>
Reviewed-by: Greg Daniel <egdaniel@google.com>
diff --git a/tests/GpuSampleLocationsTest.cpp b/tests/GpuSampleLocationsTest.cpp
index b4c4fe5..a690400 100644
--- a/tests/GpuSampleLocationsTest.cpp
+++ b/tests/GpuSampleLocationsTest.cpp
@@ -99,7 +99,7 @@
 
     GrAppliedClip dummyAppliedClip(SkRect::MakeLargest());
     GrPipeline::CreateArgs args;
-    args.fPipelineBuilder = &dummyBuilder;
+    dummyBuilder.initPipelineCreateArgs(&args);
     args.fRenderTargetContext = dc;
     args.fCaps = dc->caps();
     args.fAppliedClip = &dummyAppliedClip;