Add flipped gradient branch to two point conical gradient

src/effects/gradients/SkTwoPointConicalGradient.cpp

Index: src/effects/gradients/SkTwoPointConicalGradient.cpp
diff --git a/src/effects/gradients/SkTwoPointConicalGradient.cpp b/src/effects/gradients/SkTwoPointConicalGradient.cpp
index ffc64572862f33272da0c65cb6336be033507ee0..1e6a0d81268a28c30e630a3be37039510e761aea 100644
--- a/src/effects/gradients/SkTwoPointConicalGradient.cpp
+++ b/src/effects/gradients/SkTwoPointConicalGradient.cpp
@@ -95,8 +95,8 @@ void TwoPtRadial::setup(SkScalar fx, SkScalar fy, SkScalar dfx, SkScalar dfy) {
 SkFixed TwoPtRadial::nextT() {
     float roots[2];
 
-    float C = sqr(fRelX) + sqr(fRelY) - fRec.fRadius2;
-    int countRoots = find_quad_roots(fRec.fA, fB, C, roots, fRec.fFlipped);
+    float C = sqr(fRelX) + sqr(fRelY) - fRadius2;
+    int countRoots = find_quad_roots(fA, fB, C, roots, fFlipped);
 
     fRelX += fIncX;
     fRelY += fIncY;
@@ -306,14 +306,19 @@ SkShader::BitmapType SkTwoPointConicalGradient::asABitmap(
     return kTwoPointConical_BitmapType;
 }
 
+// Returns the original non-sorted version of the gradient
 SkShader::GradientType SkTwoPointConicalGradient::asAGradient(
     GradientInfo* info) const {
     if (info) {
-        commonAsAGradient(info);
+        commonAsAGradient(info, fFlippedGrad);
         info->fPoint[0] = fCenter1;
         info->fPoint[1] = fCenter2;
         info->fRadius[0] = fRadius1;
         info->fRadius[1] = fRadius2;
+        if (fFlippedGrad) {
+            SkTSwap(info->fPoint[0], info->fPoint[1]);
+            SkTSwap(info->fRadius[0], info->fRadius[1]);
+        }
     }
     return kConical_GradientType;
 }