use SkClipOps where we can, legacyClip where we need to rework

cc/resources/raster_source_helper.cc

 // Copyright 2014 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 "cc/resources/raster_source_helper.h"
 
 #include "base/debug/trace_event.h"
 #include "cc/debug/debug_colors.h"
 #include "third_party/skia/include/core/SkCanvas.h"
 #include "ui/gfx/geometry/rect_conversions.h"
@@ skipping 37 matching lines @@
     gfx::Rect deflated_content_rect = content_rect;
     deflated_content_rect.Inset(0, 0, 1, 1);
     if (!deflated_content_rect.Contains(canvas_rect)) {
       if (clear_canvas_with_debug_color) {
         // Any non-painted areas outside of the content bounds are left in
         // this color.  If this is seen then it means that cc neglected to
         // rerasterize a tile that used to intersect with the content rect
         // after the content bounds grew.
         canvas->save();
         canvas->translate(-canvas_rect.x(), -canvas_rect.y());
-        canvas->clipRect(gfx::RectToSkRect(content_rect),
-                         SkRegion::kDifference_Op);
+        canvas->clipRect(gfx::RectToSkRect(content_rect), kDifference_SkClipOp);
         canvas->drawColor(DebugColors::MissingResizeInvalidations(),
                           SkXfermode::kSrc_Mode);
         canvas->restore();
       }
 
       // Drawing at most 2 x 2 x (canvas width + canvas height) texels is 2-3X
       // faster than clearing, so special case this.
       canvas->save();
       canvas->translate(-canvas_rect.x(), -canvas_rect.y());
       gfx::Rect inflated_content_rect = content_rect;
       inflated_content_rect.Inset(0, 0, -1, -1);
-      canvas->clipRect(gfx::RectToSkRect(inflated_content_rect),
-                       SkRegion::kReplace_Op);
+      canvas->legacyClipRect(gfx::RectToSkRect(inflated_content_rect),
+                             SkRegion::kReplace_Op);
       canvas->clipRect(gfx::RectToSkRect(deflated_content_rect),
-                       SkRegion::kDifference_Op);
+                       kDifference_SkClipOp);
       canvas->drawColor(background_color, SkXfermode::kSrc_Mode);
       canvas->restore();
     }
   }
 }
 
 }  // namespace cc