Refactor separable varying location info to be stored in GrGLProgram subclass

src/gpu/gl/GrGLPathProcessor.h

 /*
  * Copyright 2013 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef GrGLPathProcessor_DEFINED
 #define GrGLPathProcessor_DEFINED
 
 #include "GrGLPrimitiveProcessor.h"
 
 class GrPathProcessor;
 class GrGLPathRendering;
 class GrGLGpu;
+class GrGLPathProgramDataManager;
 
 class GrGLPathProcessor : public GrGLPrimitiveProcessor {
 public:
     GrGLPathProcessor(const GrPathProcessor&, const GrBatchTracker&);
 
     static void GenKey(const GrPathProcessor&,
                        const GrBatchTracker& bt,
                        const GrGLSLCaps&,
                        GrProcessorKeyBuilder* b);
 
     void emitCode(EmitArgs&) override;
 
     void emitTransforms(GrGLGPBuilder*, const TransformsIn&, TransformsOut*);
 
+    void bindSeparableVaryings(GrGLGpu* gpu, GrGLuint programID);
     void resolveSeparableVaryings(GrGLGpu* gpu, GrGLuint programId);
 
     void setData(const GrGLProgramDataManager&,
                  const GrPrimitiveProcessor&,
                  const GrBatchTracker&) override;
 
     void setTransformData(const GrPrimitiveProcessor&,
+                          const GrGLPathProgramDataManager&,
                           int index,
-                          const SkTArray<const GrCoordTransform*, true>& transforms,
-                          GrGLPathRendering*,
-                          GrGLuint programID);
+                          const SkTArray<const GrCoordTransform*, true>& transforms);
 
     virtual void didSetData(GrGLPathRendering*) {}
 
 private:
     UniformHandle fColorUniform;
     GrColor fColor;
-    struct SeparableVaryingInfo {
-        GrSLType      fType;
-        GrGLShaderVar fVariable;
-        GrGLint       fLocation;
-    };
-
-    typedef SkSTArray<8, SeparableVaryingInfo, true> SeparableVaryingInfoArray;
-
-    SeparableVaryingInfoArray fSeparableVaryingInfos;
 
     typedef GrGLPrimitiveProcessor INHERITED;
 };
 
 #endif