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

ui/views/bubble/bubble_border.cc

 // 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 "ui/views/bubble/bubble_border.h"
 
 #include <algorithm>
 
 #include "base/logging.h"
 #include "ui/base/resource/resource_bundle.h"
@@ skipping 193 matching lines @@
   bounds.Inset(-GetBorderThickness(), -GetBorderThickness());
   const gfx::Rect arrow_bounds = GetArrowRect(view.GetLocalBounds());
   if (arrow_bounds.IsEmpty()) {
     Painter::PaintPainterAt(canvas, images_->border_painter.get(), bounds);
     return;
   }
 
   // Clip the arrow bounds out to avoid painting the overlapping edge area.
   canvas->Save();
   SkRect arrow_rect(gfx::RectToSkRect(arrow_bounds));
-  canvas->sk_canvas()->clipRect(arrow_rect, SkRegion::kDifference_Op);
+  canvas->sk_canvas()->clipRect(arrow_rect, kDifference_SkClipOp);
   Painter::PaintPainterAt(canvas, images_->border_painter.get(), bounds);
   canvas->Restore();
 
   DrawArrow(canvas, arrow_bounds);
 }
 
 gfx::Insets BubbleBorder::GetInsets() const {
   // The insets contain the stroke and shadow pixels outside the bubble fill.
   const int inset = GetBorderThickness();
   if ((arrow_paint_type_ == PAINT_NONE) || !has_arrow(arrow_))
@@ skipping 123 matching lines @@
   paint.setStyle(SkPaint::kFill_Style);
   paint.setColor(border_->background_color());
   SkPath path;
   gfx::Rect bounds(view->GetLocalBounds());
   bounds.Inset(border_->GetInsets());
 
   canvas->DrawRoundRect(bounds, border_->GetBorderCornerRadius(), paint);
 }
 
 }  // namespace views