Bug 1012398 - Completion doesn't take capitalization from address book entry. Also fixes bug 1009469. r=Enn

toolkit/content/tests/chrome/test_autocomplete4.xul

@@ -13,6 +13,7 @@
 <textbox id="autocomplete"
          type="autocomplete"
          completedefaultindex="true"
+         forcecomplete="true"
          onsearchcomplete="searchComplete();"
          autocompletesearch="simple"/>
 
@@ -143,6 +144,12 @@ const tests = [
     result: "Result",
     start: 6, end: 6
   },
+  { desc: "TAB key should confirm suggestion when forcecomplete is set",
+    key: "VK_TAB",
+    removeSelection: false,
+    result: "Result",
+    start: 6, end: 6
+  },
 ];
 
 function nextTest() {

toolkit/content/widgets/autocomplete.xml

@@ -464,6 +464,8 @@
                   cancel = this.mController.handleKeyNavigation(aEvent.shiftKey ?
                                                                 KeyEvent.DOM_VK_UP :
                                                                 KeyEvent.DOM_VK_DOWN);
+                else if (this.forceComplete && this.mController.matchCount >= 1)
+                  this.mController.handleTab();
                 break;
               case KeyEvent.DOM_VK_UP:
               case KeyEvent.DOM_VK_DOWN: