stop using exotic clipops

cc/output/software_renderer.cc

 // Copyright 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 "cc/output/software_renderer.h"
 
 #include "base/memory/ptr_util.h"
 #include "base/trace_event/trace_event.h"
 #include "cc/base/math_util.h"
 #include "cc/output/copy_output_request.h"
@@ skipping 127 matching lines @@
   scissor_rect_ = scissor_rect;
   SetClipRect(scissor_rect);
 }
 
 void SoftwareRenderer::SetClipRect(const gfx::Rect& rect) {
   if (!current_canvas_)
     return;
   // Skia applies the current matrix to clip rects so we reset it temporary.
   SkMatrix current_matrix = current_canvas_->getTotalMatrix();
   current_canvas_->resetMatrix();
-  current_canvas_->clipRect(gfx::RectToSkRect(rect), SkClipOp::kReplace);
+  // TODO(fmalita) stop using kReplace (see crbug.com/673851)
+  current_canvas_->clipRect(gfx::RectToSkRect(rect),
+                            SkClipOp::kReplace_private_internal_do_not_use);
   current_canvas_->setMatrix(current_matrix);
 }
 
 void SoftwareRenderer::ClearCanvas(SkColor color) {
   if (!current_canvas_)
     return;
   current_canvas_->clear(color);
 }
 
 void SoftwareRenderer::ClearFramebuffer(DrawingFrame* frame) {
@@ skipping 553 matching lines @@
       ApplyImageFilter(filter.get(), quad, backdrop_bitmap, nullptr);
 
   if (!filter_backdrop_image)
     return nullptr;
 
   return filter_backdrop_image->makeShader(content_tile_mode, content_tile_mode,
                                            &filter_backdrop_transform);
 }
 
 }  // namespace cc