skia: Do not include a source file in another source file.

skia/ext/skia_utils_mac_unittest.mm

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "skia/ext/skia_utils_mac.mm"
+#include "skia/ext/skia_utils_mac.h"
+
+#import <AppKit/AppKit.h>
 
 #include "base/mac/scoped_nsobject.h"
 #include "testing/gtest/include/gtest/gtest.h"
+#include "third_party/skia/include/core/SkCanvas.h"
 
 namespace {
 
 class SkiaUtilsMacTest : public testing::Test {
  public:
   // Creates a red or blue bitmap.
   SkBitmap CreateSkBitmap(int width, int height, bool isred, bool tfbit);
 
   // Creates a red or blue image.
   NSImage* CreateNSImage(int width, int height, bool isred);
@@ skipping 216 matching lines @@
 TEST_F(SkiaUtilsMacTest, BitLocker_ClipNoBits) {
   RunBitLockerTest(SkiaUtilsMacTest::TestClipNoBits);
 }
 
 TEST_F(SkiaUtilsMacTest, BitLocker_XClipNoBits) {
   RunBitLockerTest(SkiaUtilsMacTest::TestXClipNoBits);
 }
 
 }  // namespace