fix for GrFragmentProcessor isEqual in GrPipeline

include/gpu/GrStagedProcessor.h

Index: include/gpu/GrStagedProcessor.h
diff --git a/include/gpu/GrStagedProcessor.h b/include/gpu/GrStagedProcessor.h
index 170283102c1902e916cc23bf84d0191ae5c711bf..a9f23b485b10c8766482bbba2ed146d1ebe067a8 100644
--- a/include/gpu/GrStagedProcessor.h
+++ b/include/gpu/GrStagedProcessor.h
@@ -25,7 +25,7 @@ public:
     const GrFragmentProcessor* processor() const { return fProc.get(); }
 
     bool operator==(const GrStagedProcessor& that) const {
-        return this->processor() == that.processor();
+        return this->processor()->isEqual(*that.processor());
     }
 
     bool operator!=(const GrStagedProcessor& that) const { return !(*this == that); }