[cssom-view] Make ScrollToOptions left/top unrestricted double. https://lists.w3.org/Archives/Public/www-style/2015Mar/0020.html

Author: Simon Pieters

cssom-view/Overview.bs

@@ -391,8 +391,8 @@ dictionary ScrollOptions {
 	ScrollBehavior behavior = "auto";
 };
 dictionary ScrollToOptions : ScrollOptions {
-	double left;
-	double top;
+	unrestricted double left;
+	unrestricted double top;
 };
 
 partial interface Window {
@@ -530,7 +530,7 @@ steps must be run:
 2. If invoked with two arguments, follow these substeps:
 	1. Let <var>options</var> be null <a lt="converted to an IDL value">converted</a> to a {{ScrollToOptions}} dictionary. [[!WEBIDL]]
 	2. Let <var>x</var> and <var>y</var> be the arguments, respectively.
-	3. <a>Normalize non-finite values</a> for <var>x</var> and <var>y</var>.
+3. <a>Normalize non-finite values</a> for <var>x</var> and <var>y</var>.
 3. If there is no <a>viewport</a>, abort these steps.
 4. Let <var>viewport width</var> be the width of the <a>viewport</a> excluding the width of the scroll bar, if any.
 5. Let <var>viewport height</var> be the height of the <a>viewport</a> excluding the height of the scroll bar, if any.
@@ -571,11 +571,11 @@ user agent must run these steps:
 1. If invoked with two arguments, follow these substeps:
 	1. Let <var>options</var> be null <a lt="converted to an IDL value">converted</a> to a {{ScrollToOptions}} dictionary. [[!WEBIDL]]
 	2. Let <var>x</var> and <var>y</var> be the arguments, respectively.
-	3. <a>Normalize non-finite values</a> for <var>x</var> and <var>y</var>.
 	4. Let the {{ScrollToOptions/left}} dictionary member of <var>options</var> have the value <var>x</var>.
 	5. Let the {{ScrollToOptions/top}} dictionary member of <var>options</var> have the value <var>y</var>.
-2. Add the value of {{scrollX}} to the <code>left</code> dictionary member.
-3. Add the value of {{scrollY}} to the <code>top</code> dictionary member.
+2. <a>Normalize non-finite values</a> for the {{ScrollToOptions/left}} and {{ScrollToOptions/top}} dictionary members of <var>options</var>.
+2. Add the value of {{scrollX}} to the {{ScrollToOptions/left}} dictionary member.
+3. Add the value of {{scrollY}} to the {{ScrollToOptions/top}} dictionary member.
 4. Act as if the {{Window/scroll()}} method was invoked with <var>options</var> as the only argument.
 
 The <dfn attribute for=Window>screenX</dfn> attribute must return the x-coordinate,
@@ -1028,6 +1028,7 @@ The <dfn method for=Element lt="scroll(options)|scroll(x, y)">scroll()</dfn> met
 
 1. If invoked with one argument, follow these substeps:
 	1. Let <var>options</var> be the argument.
+	2. <a>Normalize non-finite values</a> for {{ScrollToOptions/left}} and {{ScrollToOptions/top}} dictionary members of <var>options</var>, if present.
 	2. Let <var>x</var> be the value of the {{ScrollToOptions/left}} dictionary member of <var>options</var>, if present, or the element's current scroll position on the x axis otherwise.
 	3. Let <var>y</var> be the value of the {{ScrollToOptions/top}} dictionary member of <var>options</var>, if present, or the element's current scroll position on the y axis otherwise.
 2. If invoked with two arguments, follow these substeps:
@@ -1057,6 +1058,9 @@ user agent must act as if the {{Element/scroll()}} method was invoked with the s
 When the <dfn method for=Element lt="scrollBy(options)|scrollBy(x, y)">scrollBy()</dfn> method is invoked, the
 user agent must run these steps:
 
+1. If invoked with one argument, follow these substeps:
+ 1. Let <var>options</var> be the argument.
+	2. <a>Normalize non-finite values</a> for {{ScrollToOptions/left}} and {{ScrollToOptions/top}} dictionary members of <var>options</var>, if present.
 1. If invoked with two arguments, follow these substeps:
 	1. Let <var>options</var> be null <a lt="converted to an IDL value">converted</a> to a {{ScrollToOptions}} dictionary. [[!WEBIDL]]
 	2. Let <var>x</var> and <var>y</var> be the arguments, respectively.