Revert of IWYU: 'core' target, files starting A-C.

gm/concavepaths.cpp

 /*
  * Copyright 2015 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "gm.h"
 #include "SkCanvas.h"
-#include "SkPath.h"
 
 #define WIDTH 400
 #define HEIGHT 600
 
 namespace {
 // Concave test
 void test_concave(SkCanvas* canvas, const SkPaint& paint) {
     SkPath path;
     canvas->translate(0, 0);
     path.moveTo(SkIntToScalar(20), SkIntToScalar(20));
@@ skipping 362 matching lines @@
         test_coincident_edges_3(canvas, paint);
         test_coincident_edges_4(canvas, paint);
     }
 
 private:
     typedef skiagm::GM INHERITED;
 };
 
 static skiagm::GM* F0(void*) { return new ConcavePathsGM; }
 static skiagm::GMRegistry R0(F0);