SkClipOp is an enum class now

chrome/browser/ui/views/frame/windows_10_caption_button.cc

 // Copyright (c) 2016 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 "chrome/browser/ui/views/frame/windows_10_caption_button.h"
 
 #include "chrome/browser/themes/theme_properties.h"
 #include "chrome/browser/ui/views/frame/browser_view.h"
 #include "chrome/browser/ui/views/frame/glass_browser_frame_view.h"
 #include "chrome/grit/theme_resources.h"
@@ skipping 158 matching lines @@
       DrawRect(canvas, symbol_rect, paint);
       return;
 
     case VIEW_ID_RESTORE_BUTTON: {
       // Bottom left ("in front") square.
       const int separation = std::floor(2 * scale);
       symbol_rect.Inset(0, separation, separation, 0);
       DrawRect(canvas, symbol_rect, paint);
 
       // Top right ("behind") square.
-      canvas->ClipRect(symbol_rect, kDifference_SkClipOp);
+      canvas->ClipRect(symbol_rect, SkClipOp::kDifference);
       symbol_rect.Offset(separation, -separation);
       DrawRect(canvas, symbol_rect, paint);
       return;
     }
 
     case VIEW_ID_CLOSE_BUTTON: {
       paint.setAntiAlias(true);
       // The close button's X is surrounded by a "halo" of transparent pixels.
       // When the X is white, the transparent pixels need to be a bit brighter
       // to be visible.
@@ skipping 11 matching lines @@
       path.lineTo(symbol_rect.x(), symbol_rect.bottom());
       canvas->DrawPath(path, paint);
       return;
     }
 
     default:
       NOTREACHED();
       return;
   }
 }