Reland "CCPR: Initial semi-optimized vertex shader Impl"

This is a reland of e3877ce5ceb7842b61d54bebcc51864e5787a2bc
Original change's description:
> CCPR: Initial semi-optimized vertex shader Impl
> 
> TBR=bsalomon@google.com
> 
> Bug: skia:
> Change-Id: I24173e146d8c95cec5f29e8cb4fa5e2c28f9a33c
> Reviewed-on: https://skia-review.googlesource.com/89120
> Reviewed-by: Chris Dalton <csmartdalton@google.com>
> Commit-Queue: Chris Dalton <csmartdalton@google.com>

Bug: skia:
Change-Id: I1d194853540e64df9c7b55ceb388a5d2f32bc258
Reviewed-on: https://skia-review.googlesource.com/90963
Reviewed-by: Chris Dalton <csmartdalton@google.com>
Commit-Queue: Chris Dalton <csmartdalton@google.com>
diff --git a/src/gpu/ccpr/GrCCPRCubicShader.h b/src/gpu/ccpr/GrCCPRCubicShader.h
index 10f4dff..bb57878 100644
--- a/src/gpu/ccpr/GrCCPRCubicShader.h
+++ b/src/gpu/ccpr/GrCCPRCubicShader.h
@@ -29,31 +29,31 @@
     virtual void onEmitSetupCode(GrGLSLVertexGeoBuilder*, const char* pts, const char* repetitionID,
                                  GeometryVars*) const {}
 
-    WindHandling onEmitVaryings(GrGLSLVaryingHandler*, SkString* code, const char* position,
-                                const char* coverage, const char* wind) final;
+    WindHandling onEmitVaryings(GrGLSLVaryingHandler*, GrGLSLVarying::Scope, SkString* code,
+                                const char* position, const char* coverage, const char* wind) final;
 
-    virtual void onEmitVaryings(GrGLSLVaryingHandler*, SkString* code) = 0;
+    virtual void onEmitVaryings(GrGLSLVaryingHandler*, GrGLSLVarying::Scope, SkString* code) = 0;
 
     GrShaderVar fKLMMatrix{"klm_matrix", kFloat3x3_GrSLType};
     GrShaderVar fEdgeDistanceEquation{"edge_distance_equation", kFloat3_GrSLType};
-    GrGLSLVarying fKLMD{kFloat4_GrSLType, GrGLSLVarying::Scope::kGeoToFrag};
+    GrGLSLVarying fKLMD;
 };
 
 class GrCCPRCubicHullShader : public GrCCPRCubicShader {
-    void onEmitVaryings(GrGLSLVaryingHandler*, SkString* code) override;
+    void onEmitVaryings(GrGLSLVaryingHandler*, GrGLSLVarying::Scope, SkString* code) override;
     void onEmitFragmentCode(GrGLSLPPFragmentBuilder*, const char* outputCoverage) const override;
 
-    GrGLSLVarying fGradMatrix{kFloat2x2_GrSLType, GrGLSLVarying::Scope::kGeoToFrag};
+    GrGLSLVarying fGradMatrix;
 };
 
 class GrCCPRCubicCornerShader : public GrCCPRCubicShader {
     void onEmitSetupCode(GrGLSLVertexGeoBuilder*, const char* pts, const char* repetitionID,
                          GeometryVars*) const override;
-    void onEmitVaryings(GrGLSLVaryingHandler*, SkString* code) override;
+    void onEmitVaryings(GrGLSLVaryingHandler*, GrGLSLVarying::Scope, SkString* code) override;
     void onEmitFragmentCode(GrGLSLPPFragmentBuilder*, const char* outputCoverage) const override;
 
-    GrGLSLVarying fdKLMDdx{kFloat4_GrSLType, GrGLSLVarying::Scope::kGeoToFrag};
-    GrGLSLVarying fdKLMDdy{kFloat4_GrSLType, GrGLSLVarying::Scope::kGeoToFrag};
+    GrGLSLVarying fdKLMDdx;
+    GrGLSLVarying fdKLMDdy;
 };
 
 #endif