added support for PLS path rendering

src/gpu/gl/GrGLVertexArray.h

Index: src/gpu/gl/GrGLVertexArray.h
diff --git a/src/gpu/gl/GrGLVertexArray.h b/src/gpu/gl/GrGLVertexArray.h
index ebdb681e34e408095f214354114d97aba260e04f..0a5dea6a1ebf22830b3d4e7bcf0fab090ad08947 100644
--- a/src/gpu/gl/GrGLVertexArray.h
+++ b/src/gpu/gl/GrGLVertexArray.h
@@ -24,7 +24,6 @@ struct GrGLAttribLayout {
 };
 
 static inline const GrGLAttribLayout& GrGLAttribTypeToLayout(GrVertexAttribType type) {
-    SkASSERT(type >= 0 && type < kGrVertexAttribTypeCount);
     static const GrGLAttribLayout kLayouts[kGrVertexAttribTypeCount] = {
         {1, GR_GL_FLOAT, false},         // kFloat_GrVertexAttribType
         {2, GR_GL_FLOAT, false},         // kVec2f_GrVertexAttribType
@@ -33,6 +32,7 @@ static inline const GrGLAttribLayout& GrGLAttribTypeToLayout(GrVertexAttribType
         {1, GR_GL_UNSIGNED_BYTE, true},  // kUByte_GrVertexAttribType
         {4, GR_GL_UNSIGNED_BYTE, true},  // kVec4ub_GrVertexAttribType
         {2, GR_GL_SHORT, false},         // kVec2s_GrVertexAttribType
+        {4, GR_GL_INT, false},           // kInt_GrVertexAttribType
     };
     GR_STATIC_ASSERT(0 == kFloat_GrVertexAttribType);
     GR_STATIC_ASSERT(1 == kVec2f_GrVertexAttribType);
@@ -41,6 +41,7 @@ static inline const GrGLAttribLayout& GrGLAttribTypeToLayout(GrVertexAttribType
     GR_STATIC_ASSERT(4 == kUByte_GrVertexAttribType);
     GR_STATIC_ASSERT(5 == kVec4ub_GrVertexAttribType);
     GR_STATIC_ASSERT(6 == kVec2s_GrVertexAttribType);
+    GR_STATIC_ASSERT(7 == kInt_GrVertexAttribType);
     GR_STATIC_ASSERT(SK_ARRAY_COUNT(kLayouts) == kGrVertexAttribTypeCount);
     return kLayouts[type];
 }