Revert "Reimplement TwoPointConicalGradient_gpu"

This reverts commit 84f18c422a.

Reason for revert: GMs are incorrect on some mobile devices

Original change's description:
> Reimplement TwoPointConicalGradient_gpu
> 
>     4.24% faster in gradient_conical_clamp_shallow_dither
>     6.43% faster in gradient_conicalOutZero_clamp_hicolor
>    10.41% faster in gradient_conicalOut_clamp_hicolor
>    14.85% faster in gradient_conicalOutZero_clamp_3color
>    16.72% faster in gradient_conicalOut_clamp
>    24.30% faster in gradient_conicalOut_clamp_3color
> 
> CQ_INCLUDE_TRYBOTS=skia.primary:Test-Android-Clang-Nexus7-GPU-Tegra3-arm-Release-All-Android,Test-Android-Clang-Nexus7-GPU-Tegra3-arm-Debug-All-Android
> 
> Bug: skia:
> Change-Id: I6bc1f24c9463fc9c2acbcba7bd4d55b37ade1613
> Reviewed-on: https://skia-review.googlesource.com/82161
> Reviewed-by: Greg Daniel <egdaniel@google.com>
> Commit-Queue: Yuqian Li <liyuqian@google.com>

TBR=egdaniel@google.com,fmalita@google.com,liyuqian@google.com

Change-Id: Ieb20cce12a958abb8293218b89baf3d5a2aad0a8
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: skia:
Cq-Include-Trybots: skia.primary:Test-Android-Clang-Nexus7-GPU-Tegra3-arm-Release-All-Android, Test-Android-Clang-Nexus7-GPU-Tegra3-arm-Debug-All-Android
Reviewed-on: https://skia-review.googlesource.com/84801
Reviewed-by: Yuqian Li <liyuqian@google.com>
Commit-Queue: Yuqian Li <liyuqian@google.com>

gm/gradients_2pt_conical.cpp

@@ -49,17 +49,6 @@ static sk_sp<SkShader> Make2ConicalOutside(const SkPoint pts[2], const GradData&
                                                  data.fPos, data.fCount, tm, 0, &localMatrix);
 }
 
-static sk_sp<SkShader> Make2ConicalOutsideStrip(const SkPoint pts[2], const GradData& data,
-                                                SkShader::TileMode tm, const SkMatrix& localMatrix) {
-    SkPoint center0, center1;
-    SkScalar radius0 = (pts[1].fX - pts[0].fX) / 10;
-    SkScalar radius1 = (pts[1].fX - pts[0].fX) / 3;
-    center0.set(pts[0].fX + radius0, pts[0].fY + radius0);
-    center1.set(pts[1].fX - radius1, pts[1].fY - radius1);
-    return SkGradientShader::MakeTwoPointConical(center0, radius1, center1, radius1, data.fColors,
-                                                 data.fPos, data.fCount, tm, 0, &localMatrix);
-}
-
 static sk_sp<SkShader> Make2ConicalOutsideFlip(const SkPoint pts[2], const GradData& data,
                              SkShader::TileMode tm, const SkMatrix& localMatrix) {
     SkPoint center0, center1;
@@ -264,8 +253,7 @@ typedef sk_sp<SkShader> (*GradMaker)(const SkPoint pts[2], const GradData& data,
 
 constexpr GradMaker gGradMakersOutside[] = {
     Make2ConicalOutside, Make2ConicalOutsideFlip,
-    Make2ConicalZeroRadOutside, Make2ConicalZeroRadFlipOutside,
-    Make2ConicalOutsideStrip
+    Make2ConicalZeroRadOutside, Make2ConicalZeroRadFlipOutside
 };
 
 constexpr GradMaker gGradMakersInside[] = {

src/gpu/GrProcessor.cpp

@@ -54,7 +54,7 @@ SkTArray<GrXPFactoryTestFactory*, true>* GrXPFactoryTestFactory::GetFactories()
  * we verify the count is as expected.  If a new factory is added, then these numbers must be
  * manually adjusted.
  */
-static const int kFPFactoryCount = 38;
+static const int kFPFactoryCount = 42;
 static const int kGPFactoryCount = 14;
 static const int kXPFactoryCount = 4;
 

src/gpu/GrProcessor.h

@@ -69,6 +69,8 @@ public:
         kBlockInputFragmentProcessor_ClassID,
         kCCPRClipProcessor_ClassID,
         kCircleGeometryProcessor_ClassID,
+        kCircleInside2PtConicalEffect_ClassID,
+        kCircleOutside2PtConicalEffect_ClassID,
         kCircularRRectEffect_ClassID,
         kColorMatrixEffect_ClassID,
         kColorTableEffect_ClassID,
@@ -81,9 +83,11 @@ public:
         kDefaultGeoProc_ClassID,
         kDIEllipseGeometryProcessor_ClassID,
         kDisableColorXP_ClassID,
-        kTwoPointConicalEffect_ClassID,
+        kEdge2PtConicalEffect_ClassID,
         kEllipseGeometryProcessor_ClassID,
         kEllipticalRRectEffect_ClassID,
+        kFocalInside2PtConicalEffect_ClassID,
+        kFocalOutside2PtConicalEffect_ClassID,
         kGP_ClassID,
         kGrAARectEffect_ClassID,
         kGrAlphaThresholdFragmentProcessor_ClassID,

src/shaders/gradients/SkGradientShaderPriv.h

@@ -255,7 +255,7 @@ protected:
     GrGradientEffect(ClassID classID, const CreateArgs&, bool isOpaque);
     explicit GrGradientEffect(const GrGradientEffect&);  // facilitates clone() implementations
 
-    void onGetGLSLProcessorKey(const GrShaderCaps&, GrProcessorKeyBuilder*) const override;
+    void onGetGLSLProcessorKey(const GrShaderCaps&, GrProcessorKeyBuilder*) const final;
 
     // Helper function used by derived class factories to handle color space transformation and
     // modulation by input alpha.