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 4a12cdb4afc0e046165bc26eb68e5ac70e7e9813..193b9e59db56f961faa43eda9a7cdb25caaabb1d 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 {
@@ -42,6 +43,11 @@ class ClipRect {
   ClipRect(const LayoutRect& rect)
       : m_rect(rect), m_hasRadius(false), m_isClippedByClipCss(false) {}
 
+  ClipRect(const FloatClipRect& rect)
+      : m_rect(LayoutRect(rect.rect())),
+        m_hasRadius(rect.hasRadius()),
+        m_isClippedByClipCss(false) {}
+
   const LayoutRect& rect() const { return m_rect; }
 
   bool hasRadius() const { return m_hasRadius; }