modified Run button to always run the last launched application

editor/tools/plugins/com.google.dart.tools.debug.ui/src/com/google/dart/tools/debug/ui/launch/DartRunLastHandler.java

Index: editor/tools/plugins/com.google.dart.tools.debug.ui/src/com/google/dart/tools/debug/ui/launch/DartRunLastHandler.java
===================================================================
--- editor/tools/plugins/com.google.dart.tools.debug.ui/src/com/google/dart/tools/debug/ui/launch/DartRunLastHandler.java	(revision 6439)
+++ editor/tools/plugins/com.google.dart.tools.debug.ui/src/com/google/dart/tools/debug/ui/launch/DartRunLastHandler.java	(working copy)
@@ -20,15 +20,15 @@
 import org.eclipse.ui.PlatformUI;
 
 /**
- * A command handler to invoke the run action.
+ * A command handler to invoke the run last action.
  */
-public class DartRunHandler extends AbstractHandler {
-  private DartRunAction runAction;
+public class DartRunLastHandler extends AbstractHandler {
+  private DartRunLastAction runLastAction;
 
   /**
    * Create a new DartRunHandler.
    */
-  public DartRunHandler() {
+  public DartRunLastHandler() {
 
   }
 
@@ -39,12 +39,13 @@
     return null;
   }
 
-  private DartRunAction getRunAction() {
-    if (runAction == null) {
-      runAction = new DartRunAction(PlatformUI.getWorkbench().getActiveWorkbenchWindow(), true);
+  private DartRunLastAction getRunAction() {
+    if (runLastAction == null) {
+      runLastAction = new DartRunLastAction(PlatformUI.getWorkbench().getActiveWorkbenchWindow(),
+          true);
     }
 
-    return runAction;
+    return runLastAction;
   }
 
 }