Revert of Reduce copying of local data structures in GeometryMapper and PaintLayerClipper.

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

Index: third_party/WebKit/Source/core/paint/ClipRect.h
diff --git a/third_party/WebKit/Source/core/paint/ClipRect.h b/third_party/WebKit/Source/core/paint/ClipRect.h
index 0770bcb82ce2ac020a2a3758001561ed2a5b1c83..d1b13ab96c3d8e420f4e3af75ae4b0581b0bed0e 100644
--- a/third_party/WebKit/Source/core/paint/ClipRect.h
+++ b/third_party/WebKit/Source/core/paint/ClipRect.h
@@ -43,12 +43,7 @@
   ClipRect(const LayoutRect& rect) : m_rect(rect), m_hasRadius(false) {}
 
   ClipRect(const FloatClipRect& rect)
-      : m_rect(rect.rect()), m_hasRadius(rect.hasRadius()) {}
-
-  void setRect(const FloatClipRect& rect) {
-    m_rect = LayoutRect(rect.rect());
-    m_hasRadius = rect.hasRadius();
-  }
+      : m_rect(LayoutRect(rect.rect())), m_hasRadius(rect.hasRadius()) {}
 
   const LayoutRect& rect() const { return m_rect; }