Moves the IE8 implementation of get/setScrollLeft() from DOMImplTrident to DOMImplIE8 because DOMImplIE6 uses a different version.

Patch by: jgw
Review by: jlabanca (desk)



git-svn-id: https://google-web-toolkit.googlecode.com/svn/trunk@5305 8db76d5a-ed1c-0410-87a9-c151d255dfc7

user/src/com/google/gwt/dom/client/DOMImplIE8.java

diff --git a/user/src/com/google/gwt/dom/client/DOMImplIE8.java b/user/src/com/google/gwt/dom/client/DOMImplIE8.java
index e3b3826..b5f0787 100644
--- a/user/src/com/google/gwt/dom/client/DOMImplIE8.java
+++ b/user/src/com/google/gwt/dom/client/DOMImplIE8.java
@@ -16,4 +16,22 @@
 package com.google.gwt.dom.client;
 
 class DOMImplIE8 extends DOMImplTrident {
+
+  @Override
+  public int getScrollLeft(Element elem) {
+    if (isRTL(elem)) {
+      // IE8 returns increasingly *positive* values as you scroll left in RTL.
+      return -super.getScrollLeft(elem);
+    }
+    return super.getScrollLeft(elem);
+  }
+
+  @Override
+  public void setScrollLeft(Element elem, int left) {
+    if (isRTL(elem)) {
+      // IE8 returns increasingly *positive* values as you scroll left in RTL.
+      left = -left;
+    }
+    super.setScrollLeft(elem, left);
+  }
 }

user/src/com/google/gwt/dom/client/DOMImplTrident.java

diff --git a/user/src/com/google/gwt/dom/client/DOMImplTrident.java b/user/src/com/google/gwt/dom/client/DOMImplTrident.java
index e51398b..45e0436 100644
--- a/user/src/com/google/gwt/dom/client/DOMImplTrident.java
+++ b/user/src/com/google/gwt/dom/client/DOMImplTrident.java
@@ -186,15 +186,6 @@
   }-*/;
 
   @Override
-  public int getScrollLeft(Element elem) {
-    if (isRTL(elem)) {
-      // IE8 returns increasingly *positive* values as you scroll left in RTL.
-      return -super.getScrollLeft(elem);
-    }
-    return super.getScrollLeft(elem);
-  }
-
-  @Override
   public native boolean isOrHasChild(Element parent, Element child) /*-{
     // An extra equality check is required due to the fact that
     // elem.contains(elem) is false if elem is not attached to the DOM.
@@ -217,15 +208,6 @@
     elem.innerText = text || '';
   }-*/;
 
-  @Override
-  public void setScrollLeft(Element elem, int left) {
-    if (isRTL(elem)) {
-      // IE8 returns increasingly *positive* values as you scroll left in RTL.
-      left = -left;
-    }
-    super.setScrollLeft(elem, left);
-  }
-
   private native int getBoundingClientRectLeft(Element elem) /*-{
     // getBoundingClientRect() throws a JS exception if the elem is not attached
     // to the document, so we wrap it in a try/catch block