Moved ComboBox suggestion popup width to shared state

Change-Id: Ic6da82bc309d90d769e9967feee7fb8a58e9fffc

client/src/main/java/com/vaadin/client/ui/combobox/ComboBoxConnector.java

 
         getWidget().filteringmode = getState().filteringMode;
 
+        getWidget().suggestionPopupWidth = getState().suggestionPopupWidth;
+
         Profiler.leave("ComboBoxConnector.onStateChanged update content");
     }
 
 
         getWidget().currentPage = uidl.getIntVariable("page");
 
-        if (uidl.hasAttribute("suggestionPopupWidth")) {
-            getWidget().suggestionPopupWidth = uidl
-                    .getStringAttribute("suggestionPopupWidth");
-        } else {
-            getWidget().suggestionPopupWidth = null;
-        }
-
         getWidget().suggestionPopup.updateStyleNames(getState());
 
         getWidget().allowNewItem = uidl.hasAttribute("allownewitem");

server/src/main/java/com/vaadin/ui/ComboBox.java

      */
     private boolean scrollToSelectedItem = true;
 
-    private String suggestionPopupWidth = null;
-
     /**
      * If text input is not allowed, the ComboBox behaves like a pretty
      * NativeSelect - the user can not enter any text and clicking the text
             String[] selectedKeys = new String[(getValue() == null
                     && getNullSelectionItemId() == null ? 0 : 1)];
 
-            if (suggestionPopupWidth != null) {
-                target.addAttribute("suggestionPopupWidth",
-                        suggestionPopupWidth);
-            }
-
             // Paints the options and create array of selected id keys
             int keyIndex = 0;
 
      * @since 7.7
      */
     public String getPopupWidth() {
-        return suggestionPopupWidth;
+        return getState(false).suggestionPopupWidth;
     }
 
     /**
      *            the width
      */
     public void setPopupWidth(String width) {
-        suggestionPopupWidth = width;
-        markAsDirty();
+        getState().suggestionPopupWidth = width;
     }
 
     /**

shared/src/main/java/com/vaadin/shared/ui/combobox/ComboBoxState.java

      */
     public FilteringMode filteringMode = FilteringMode.STARTSWITH;
 
+    /**
+     * Suggestion pop-up's width as a CSS string. By using relative units (e.g.
+     * "50%") it's possible to set the popup's width relative to the ComboBox
+     * itself.
+     */
+    public String suggestionPopupWidth = null;
+
 }