Move Tokenfactory, AstFactory and ElementFactory from tests to the testing/ Folder.

editor/tools/plugins/com.google.dart.engine/src/com/google/dart/engine/source/NonExistingSource.java

Index: editor/tools/plugins/com.google.dart.engine/src/com/google/dart/engine/source/NonExistingSource.java
diff --git a/editor/tools/plugins/com.google.dart.engine/src/com/google/dart/engine/source/NonExistingSource.java b/editor/tools/plugins/com.google.dart.engine/src/com/google/dart/engine/source/NonExistingSource.java
index 8a6d6f178d49ee4580dffc11fc69598574d0d143..e2c8ecf11c477a8249b21a5dbbc6e099360f54d4 100644
--- a/editor/tools/plugins/com.google.dart.engine/src/com/google/dart/engine/source/NonExistingSource.java
+++ b/editor/tools/plugins/com.google.dart.engine/src/com/google/dart/engine/source/NonExistingSource.java
@@ -14,6 +14,7 @@
 package com.google.dart.engine.source;
 
 import com.google.dart.engine.internal.context.TimestampedData;
+import com.google.dart.engine.utilities.general.ObjectUtilities;
 import com.google.dart.engine.utilities.translation.DartOmit;
 
 import java.net.URI;
@@ -33,6 +34,15 @@ public class NonExistingSource implements Source {
   }
 
   @Override
+  public boolean equals(Object obj) {
+    if (obj instanceof NonExistingSource) {
+      NonExistingSource other = (NonExistingSource) obj;
+      return other.uriKind == uriKind && ObjectUtilities.equals(other.name, name);
+    }
+    return false;
+  }
+
+  @Override
   public boolean exists() {
     return false;
   }
@@ -75,6 +85,11 @@ public class NonExistingSource implements Source {
   }
 
   @Override
+  public int hashCode() {
+    return name.hashCode();
+  }
+
+  @Override
   public boolean isInSystemLibrary() {
     return false;
   }