Remove begin/end methods on CompositingRecorder.

third_party/WebKit/Source/core/paint/ClipPathClipper.h

 // Copyright 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.
 
 #ifndef ClipPathClipper_h
 #define ClipPathClipper_h
 
 #include "platform/graphics/paint/ClipPathRecorder.h"
+#include "platform/graphics/paint/CompositingRecorder.h"
 #include "wtf/Optional.h"
 
 namespace blink {
 
 class ClipPathOperation;
 class FloatPoint;
 class FloatRect;
 class GraphicsContext;
 class LayoutSVGResourceClipper;
 class LayoutObject;
 
 enum class ClipperState { NotApplied, AppliedPath, AppliedMask };
 
 class ClipPathClipper {
   DISALLOW_NEW_EXCEPT_PLACEMENT_NEW();
 
  public:
   ClipPathClipper(GraphicsContext&,
                   ClipPathOperation&,
                   const LayoutObject&,
                   const FloatRect& referenceBox,
                   const FloatPoint& origin);
   ~ClipPathClipper();
 
   bool usingMask() const { return m_clipperState == ClipperState::AppliedMask; }
 
  private:
+  // Returns false if there is a problem drawing the mask.
+  bool prepareEffect(const FloatRect& targetBoundingBox,
+                     const FloatRect& visualRect,
+                     const FloatPoint& layerPositionOffset);
+  bool drawClipAsMask(const FloatRect& targetBoundingBox,
+                      const FloatRect& targetVisualRect,
+                      const AffineTransform&,
+                      const FloatPoint&);
+  void finishEffect();
+
   LayoutSVGResourceClipper* m_resourceClipper;
-  Optional<ClipPathRecorder> m_clipPathRecorder;
   ClipperState m_clipperState;
   const LayoutObject& m_layoutObject;
   GraphicsContext& m_context;
+
+  // TODO(pdr): This pattern should be cleaned up so that the recorders are just
+  // on the stack.
+  Optional<ClipPathRecorder> m_clipPathRecorder;
+  Optional<CompositingRecorder> m_maskClipRecorder;
+  Optional<CompositingRecorder> m_maskContentRecorder;
 };
 
 }  // namespace blink
 
 #endif  // ClipPathClipper_h