Open internal API to change the set of loadable storages

Change-Id: I886d986943a5b81aa1d93d4f837e40262cef0980

plugins/org.eclipse.emf.compare.ide/src/org/eclipse/emf/compare/ide/internal/utils/NotLoadingResourceSet.java

diff --git a/plugins/org.eclipse.emf.compare.ide/src/org/eclipse/emf/compare/ide/internal/utils/NotLoadingResourceSet.java b/plugins/org.eclipse.emf.compare.ide/src/org/eclipse/emf/compare/ide/internal/utils/NotLoadingResourceSet.java
index 8686823..fd54f2b 100644
--- a/plugins/org.eclipse.emf.compare.ide/src/org/eclipse/emf/compare/ide/internal/utils/NotLoadingResourceSet.java
+++ b/plugins/org.eclipse.emf.compare.ide/src/org/eclipse/emf/compare/ide/internal/utils/NotLoadingResourceSet.java
@@ -561,6 +561,15 @@
 	}
 
 	/**
+	 * Returns the map from URI to IStorage used internally by this resource set to load its content.
+	 * 
+	 * @return The internal URI to IStorage map.
+	 */
+	public Map<URI, IStorage> getStorageToURI() {
+		return storageToURI;
+	}
+
+	/**
 	 * Helper class to encapsulate pairs of {@link EObject}s and {@link EStructuralFeature}s pointing to proxy
 	 * objects.
 	 */