Dependencies are now added between the drawTargets in GrPipeline

src/gpu/GrPipeline.h

Index: src/gpu/GrPipeline.h
diff --git a/src/gpu/GrPipeline.h b/src/gpu/GrPipeline.h
index df44ba680ce52757ace4ef4d20ebd7396946ec14..8781058247fe438300ac2f5cb919c389aea31c1b 100644
--- a/src/gpu/GrPipeline.h
+++ b/src/gpu/GrPipeline.h
@@ -84,6 +84,9 @@ public:
     ///////////////////////////////////////////////////////////////////////////
     /// @name GrFragmentProcessors
 
+    // Make the renderTarget's drawTarget (if it exists) be dependent on any
+    // drawTargets in this pipeline
+    void addDependenciesTo(GrRenderTarget* rt) const;
 
     int numColorFragmentProcessors() const { return fNumColorProcessors; }
     int numCoverageFragmentProcessors() const {