Make GrContext track the current matrix, render target, and clip directly rather than using GrDrawS…

include/gpu/GrEffectStage.h

Index: include/gpu/GrEffectStage.h
diff --git a/include/gpu/GrEffectStage.h b/include/gpu/GrEffectStage.h
index 07294e1ce562a0abcb366de2c1563d169e47fa3c..7b8852b2cf52f2b9019d7a65b04d989cb6324cfa 100644
--- a/include/gpu/GrEffectStage.h
+++ b/include/gpu/GrEffectStage.h
@@ -53,9 +53,9 @@ public:
         return fCoordChangeMatrix == other.fCoordChangeMatrix;
     }
 
-    bool operator !=(const GrEffectStage& s) const { return !(*this == s); }
+    bool operator!= (const GrEffectStage& s) const { return !(*this == s); }
 
-    GrEffectStage& operator =(const GrEffectStage& other) {
+    GrEffectStage& operator= (const GrEffectStage& other) {
         GrSafeAssign(fEffectRef, other.fEffectRef);
         fCoordChangeMatrixSet = other.fCoordChangeMatrixSet;
         if (NULL != fEffectRef && fCoordChangeMatrixSet) {