Setting the background color of LoggingPopup using Style so it works correctly on IE. Also scrolling the log to the bottom when log items are added.

Review at http://gwt-code-reviews.appspot.com/989801

Review by: unnurg@google.com

git-svn-id: https://google-web-toolkit.googlecode.com/svn/trunk@9048 8db76d5a-ed1c-0410-87a9-c151d255dfc7
diff --git a/user/src/com/google/gwt/logging/client/LoggingPopup.java b/user/src/com/google/gwt/logging/client/LoggingPopup.java
index 0ddc1d3..1bb817c 100644
--- a/user/src/com/google/gwt/logging/client/LoggingPopup.java
+++ b/user/src/com/google/gwt/logging/client/LoggingPopup.java
@@ -138,7 +138,7 @@
     super(false, false);
     VerticalPanel mainPanel = new VerticalPanel();
     mainPanel.setBorderWidth(1);
-    mainPanel.getElement().setAttribute("style", "background-color:white");
+    mainPanel.getElement().getStyle().setBackgroundColor("white");
     
     final HTML titleBar = new HTML("<center><b>Logging</b></center>");
     mainPanel.add(titleBar);
@@ -184,12 +184,12 @@
   @Override
   public void add(Widget w) {
     logArea.add(w);
+    scrollPanel.setScrollPosition(scrollPanel.getElement().getScrollHeight());
   }
   
   @Override
   public void setWidget(Widget w) {
     logArea.clear();
-    logArea.add(w);
+    add(w);
   }
-
 }