Refactor to remove need for infiniteIntRect when computing rects in pre-paint

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 5999fbc8dad2b93a1b20dcc05b52e1f647a6d5d2..d1b13ab96c3d8e420f4e3af75ae4b0581b0bed0e 100644
--- a/third_party/WebKit/Source/core/paint/ClipRect.h
+++ b/third_party/WebKit/Source/core/paint/ClipRect.h
@@ -27,6 +27,7 @@
 #define ClipRect_h
 
 #include "platform/geometry/LayoutRect.h"
+#include "platform/graphics/paint/FloatClipRect.h"
 #include "wtf/Allocator.h"
 
 namespace blink {
@@ -41,6 +42,9 @@ class ClipRect {
 
   ClipRect(const LayoutRect& rect) : m_rect(rect), m_hasRadius(false) {}
 
+  ClipRect(const FloatClipRect& rect)
+      : m_rect(LayoutRect(rect.rect())), m_hasRadius(rect.hasRadius()) {}
+
   const LayoutRect& rect() const { return m_rect; }
 
   bool hasRadius() const { return m_hasRadius; }