Expose coord transforms from GrPipeline

src/gpu/GrPipeline.h

Index: src/gpu/GrPipeline.h
diff --git a/src/gpu/GrPipeline.h b/src/gpu/GrPipeline.h
index 3b5181831a0c294320dd97d5716ae3da9d370817..b22bba735161ea48b0b171f59220e135e880a59c 100644
--- a/src/gpu/GrPipeline.h
+++ b/src/gpu/GrPipeline.h
@@ -39,7 +39,7 @@ public:
     /*
      * Returns true if these pipelines are equivalent.
      */
-    bool isEqual(const GrPipeline& that) const;
+    bool isEqual(const GrPipeline& that, bool ignoreCoordTransforms = false) const;
 
     /// @}
 
@@ -100,6 +100,10 @@ public:
         return fInfoForPrimitiveProcessor;
     }
 
+    const SkTArray<const GrCoordTransform*, true>& coordTransforms() const {
+        return fCoordTransforms;
+    }
+
 private:
     /**
      * Alter the program desc and inputs (attribs and processors) based on the blend optimization.
@@ -141,7 +145,9 @@ private:
     // This function is equivalent to the offset into fFragmentStages where coverage stages begin.
     int                                 fNumColorStages;
 
-    GrProgramDesc fDesc;
+    SkSTArray<8, const GrCoordTransform*, true> fCoordTransforms;
+    int                                 fNumCoordTransforms;
+    GrProgramDesc                       fDesc;
 
     typedef SkRefCnt INHERITED;
 };