Revert of Add flipped gradient branch to two point conical gradient

src/effects/gradients/SkTwoPointConicalGradient.h

Index: src/effects/gradients/SkTwoPointConicalGradient.h
diff --git a/src/effects/gradients/SkTwoPointConicalGradient.h b/src/effects/gradients/SkTwoPointConicalGradient.h
index 80aa6fa6939ab3559cc9827df3fa5536718f7db0..4c049172d3131fcce3303df03f0f96c9b4305f3b 100644
--- a/src/effects/gradients/SkTwoPointConicalGradient.h
+++ b/src/effects/gradients/SkTwoPointConicalGradient.h
@@ -25,11 +25,9 @@
     float   fA;
     float   fRadius2;
     float   fRDR;
-    bool    fFlipped;
 
     void init(const SkPoint& center0, SkScalar rad0,
-              const SkPoint& center1, SkScalar rad1,
-              bool flipped);
+              const SkPoint& center1, SkScalar rad1);
 
     static bool DontDrawT(SkFixed t) {
         return kDontDrawT == (uint32_t)t;
@@ -44,7 +42,7 @@
 public:
     SkTwoPointConicalGradient(const SkPoint& start, SkScalar startRadius,
                               const SkPoint& end, SkScalar endRadius,
-                              bool flippedGrad, const Descriptor&);
+                              const Descriptor&);
 
 
     virtual SkShader::Context* createContext(const SkBitmap&, const SkPaint&, const SkMatrix&,
@@ -78,7 +76,6 @@
     const SkPoint& getStartCenter() const { return fCenter1; }
     const SkPoint& getEndCenter() const { return fCenter2; }
     SkScalar getEndRadius() const { return fRadius2; }
-    bool isFlippedGrad() const { return fFlippedGrad; }
 
     SK_TO_STRING_OVERRIDE()
     SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkTwoPointConicalGradient)
@@ -88,11 +85,10 @@
     virtual void flatten(SkWriteBuffer& buffer) const SK_OVERRIDE;
 
 private:
-    SkPoint fCenter1;
-    SkPoint fCenter2;
-    SkScalar fRadius1;
-    SkScalar fRadius2;
-    bool fFlippedGrad;
+    const SkPoint fCenter1;
+    const SkPoint fCenter2;
+    const SkScalar fRadius1;
+    const SkScalar fRadius2;
 
     typedef SkGradientShaderBase INHERITED;
 };