Merge webkit.org at r50258 : Initial merge by git.

Change-Id: I1a9e1dc4ed654b69174ad52a4f031a07240f37b0

1 files changed, 15 insertions, 7 deletions

diff --git a/WebCore/dom/SelectElement.cpp b/WebCore/dom/SelectElement.cpp
index 49713ba..3d2a549 100644
--- a/WebCore/dom/SelectElement.cpp
+++ b/WebCore/dom/SelectElement.cpp
@@ -479,12 +479,14 @@ bool SelectElement::appendFormData(SelectElementData& data, Element* element, Fo
     // We return the first one if it was a combobox select
     if (!successful && !data.multiple() && data.size() <= 1 && items.size()) {
         OptionElement* optionElement = toOptionElement(items[0]);
-        const AtomicString& value = optionElement->value();
-        if (value.isNull())
-            list.appendData(name, optionElement->text().stripWhiteSpace());
-        else
-            list.appendData(name, value);
-        successful = true;
+        if (optionElement) {
+            const AtomicString& value = optionElement->value();
+            if (value.isNull())
+                list.appendData(name, optionElement->text().stripWhiteSpace());
+            else
+                list.appendData(name, value);
+            successful = true;
+        }
     }
 
     return successful;
@@ -874,13 +876,19 @@ void SelectElement::typeAheadFind(SelectElementData& data, Element* element, Key
     int index = (optionToListIndex(data, element, selected >= 0 ? selected : 0) + searchStartOffset) % itemCount;
     ASSERT(index >= 0);
 
+    // Compute a case-folded copy of the prefix string before beginning the search for
+    // a matching element. This code uses foldCase to work around the fact that
+    // String::startWith does not fold non-ASCII characters. This code can be changed
+    // to use startWith once that is fixed.
+    String prefixWithCaseFolded(prefix.foldCase());
     for (int i = 0; i < itemCount; ++i, index = (index + 1) % itemCount) {
         OptionElement* optionElement = toOptionElement(items[index]);
         if (!optionElement || items[index]->disabled())
             continue;
 
+        // Fold the option string and check if its prefix is equal to the folded prefix.
         String text = optionElement->textIndentedToRespectGroupLabel();
-        if (stripLeadingWhiteSpace(text).startsWith(prefix, false)) {
+        if (stripLeadingWhiteSpace(text).foldCase().startsWith(prefixWithCaseFolded)) {
             setSelectedIndex(data, element, listToOptionIndex(data, element, index));
             if (!data.usesMenuList())
                 listBoxOnChange(data, element);