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/src/gpu/GrRenderTargetOpList.cpp b/src/gpu/GrRenderTargetOpList.cpp
index 144b399..1c0243b 100644
--- a/src/gpu/GrRenderTargetOpList.cpp
+++ b/src/gpu/GrRenderTargetOpList.cpp
@@ -287,7 +287,7 @@
     }
 
     GrPipeline::CreateArgs args;
-    args.fPipelineBuilder = &pipelineBuilder;
+    pipelineBuilder.initPipelineCreateArgs(&args);
     args.fAppliedClip = &appliedClip;
     args.fRenderTargetContext = renderTargetContext;
     args.fCaps = this->caps();