Big merge from experimental to bleeding edge.

editor/tools/plugins/com.google.dart.tools.ui.web/src/com/google/dart/tools/ui/web/utils/Node.java

Index: editor/tools/plugins/com.google.dart.tools.ui.web/src/com/google/dart/tools/ui/web/utils/Node.java
diff --git a/editor/tools/plugins/com.google.dart.tools.ui.web/src/com/google/dart/tools/ui/web/utils/Node.java b/editor/tools/plugins/com.google.dart.tools.ui.web/src/com/google/dart/tools/ui/web/utils/Node.java
index 5762f1adda42494ddf60d06ba8b9e0d404cbf69a..2adff0f32875343fa1c821adf8e7e171f33f6d56 100644
--- a/editor/tools/plugins/com.google.dart.tools.ui.web/src/com/google/dart/tools/ui/web/utils/Node.java
+++ b/editor/tools/plugins/com.google.dart.tools.ui.web/src/com/google/dart/tools/ui/web/utils/Node.java
@@ -41,21 +41,6 @@ public abstract class Node {
     children.add(child);
   }
 
-  @Override
-  public boolean equals(Object obj) {
-    if (obj == null) {
-      return false;
-    }
-
-    if (this.getClass().isAssignableFrom(obj.getClass())) {
-      Node other = (Node) obj;
-
-      return safeEquals(getId(), other.getId());
-    } else {
-      return false;
-    }
-  }
-
   public List<Node> getChildren() {
     return children;
   }
@@ -64,14 +49,6 @@ public abstract class Node {
     return endToken;
   }
 
-  public String getId() {
-    if (parent == null) {
-      return label;
-    } else {
-      return parent.getId() + "." + label;
-    }
-  }
-
   public String getLabel() {
     return label;
   }
@@ -84,11 +61,6 @@ public abstract class Node {
     return startToken;
   }
 
-  @Override
-  public int hashCode() {
-    return getId().hashCode();
-  }
-
   public void setEnd(Token t) {
     this.endToken = t;
   }
@@ -106,16 +78,4 @@ public abstract class Node {
     return getLabel();
   }
 
-  private boolean safeEquals(String id, String id2) {
-    if (id == id2) {
-      return true;
-    }
-
-    if (id == null) {
-      return false;
-    }
-
-    return id.equals(id2);
-  }
-
 }