Move GrNonAAFillRectPerspectiveBatch to its own file

include/gpu/GrTestUtils.h

 /*
  * Copyright 2015 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef GrTestUtils_DEFINED
 #define GrTestUtils_DEFINED
 
@@ skipping 14 matching lines @@
 struct SkRect;
 
 namespace GrTest {
 /**
  * Helpers for use in Test functions.
  */
 const SkMatrix& TestMatrix(SkRandom*);
 const SkMatrix& TestMatrixPreservesRightAngles(SkRandom*);
 const SkMatrix& TestMatrixRectStaysRect(SkRandom*);
 const SkMatrix& TestMatrixInvertible(SkRandom*);
+const SkMatrix& TestMatrixPerspective(SkRandom*);
 const SkRect& TestRect(SkRandom*);
 const SkRect& TestSquare(SkRandom*);
 const SkRRect& TestRRectSimple(SkRandom*);
 const SkPath& TestPath(SkRandom*);
 const SkPath& TestPathConvex(SkRandom*);
 SkStrokeRec TestStrokeRec(SkRandom*);
 /** Creates styles with dash path effects and null path effects */
 void TestStyle(SkRandom*, GrStyle*);
 
 // We have a simplified dash path effect here to avoid relying on SkDashPathEffect which
@@ skipping 79 matching lines @@
             break;
         case kRandom_CoverageMode:
             coverage = random->nextULessThan(256);
             break;
     }
     return coverage;
 }
 
 #endif
 #endif