Making save a little faster:

editor/tools/plugins/com.google.dart.tools.core/src/com/google/dart/tools/core/internal/model/DartElementImpl.java

Index: editor/tools/plugins/com.google.dart.tools.core/src/com/google/dart/tools/core/internal/model/DartElementImpl.java
===================================================================
--- editor/tools/plugins/com.google.dart.tools.core/src/com/google/dart/tools/core/internal/model/DartElementImpl.java	(revision 14360)
+++ editor/tools/plugins/com.google.dart.tools.core/src/com/google/dart/tools/core/internal/model/DartElementImpl.java	(working copy)
@@ -18,7 +18,6 @@
 import com.google.dart.tools.core.DartCore;
 import com.google.dart.tools.core.internal.model.info.DartElementInfo;
 import com.google.dart.tools.core.internal.util.MementoTokenizer;
-import com.google.dart.tools.core.internal.util.Util;
 import com.google.dart.tools.core.model.CompilationUnit;
 import com.google.dart.tools.core.model.DartElement;
 import com.google.dart.tools.core.model.DartElementVisitor;
@@ -373,7 +372,7 @@
   }
 
   @Override
-  public DartElement getParent() {
+  public final DartElement getParent() {
     return parent;
   }
 
@@ -452,12 +451,15 @@
     return elementInfo.getChildren().length > 0;
   }
 
+  // This hashCode method is called _a lot_.
   @Override
   public int hashCode() {
     if (parent == null) {
       return super.hashCode();
+    } else {
+      // Inlined from Util.combineHashCodes()
+      return getElementName().hashCode() * 17 + parent.hashCode();
     }
-    return Util.combineHashCodes(getElementName().hashCode(), parent.hashCode());
   }
 
   @Deprecated