Derive the step base for an input element as (now) specified.

LayoutTests/fast/forms/calendar-picker/calendar-picker-with-step.html

Index: LayoutTests/fast/forms/calendar-picker/calendar-picker-with-step.html
diff --git a/LayoutTests/fast/forms/calendar-picker/calendar-picker-with-step.html b/LayoutTests/fast/forms/calendar-picker/calendar-picker-with-step.html
index 3cf5913fc0bb427270ef6ae0dfe72525855c4f8c..c3c03aac5ca2b0364f140bc3ea804b05c2629657 100644
--- a/LayoutTests/fast/forms/calendar-picker/calendar-picker-with-step.html
+++ b/LayoutTests/fast/forms/calendar-picker/calendar-picker-with-step.html
@@ -9,15 +9,17 @@
 <p id="description"></p>
 <div id="console"></div>
 
-<input type=date id=date value="2011-05-01" step="9">
+<input type=date id=date value="2011-05-02" step="9">
+<input type=date id="date-bare" step="9">
 
 <script>
 description('Test if step limits available dates in calendar picker.');
 
-openPicker(document.getElementById('date'), test1);
+document.getElementById('date-bare').value = '2011-05-01';
+openPicker(document.getElementById('date-bare'), test1);
 
 function test1() {
-    debug("Step without min.");
+    debug("Step without value or min attributes.");
     shouldBeEqualToString('availableDayCells()', '2011-05-08,2011-05-17,2011-05-26,2011-06-04');
 
     // Close popup
@@ -26,13 +28,26 @@ function test1() {
 }
 
 function test1AfterClose() {
-    document.getElementById('date').min = "2011-05-01";
-    
-    // Reopen popup
     openPicker(document.getElementById('date'), test2);
 }
 
 function test2() {
+    debug("Step without min.");
+    shouldBeEqualToString('availableDayCells()', '2011-05-02,2011-05-11,2011-05-20,2011-05-29');
+
+    // Close popup
+    eventSender.keyDown('\x1B');
+    waitUntilClosing(test2AfterClose);
+}
+
+function test2AfterClose() {
+    document.getElementById('date').min = '2011-05-01';
+    
+    // Reopen popup
+    openPicker(document.getElementById('date'), test3);
+}
+
+function test3() {
     debug("Step when min is set.");
     shouldBeEqualToString('availableDayCells()', '2011-05-01,2011-05-10,2011-05-19,2011-05-28');
     finishJSTest();