Removing unnecessary code.

com.google.eclipse.protobuf/src/com/google/eclipse/protobuf/ProtobufRuntimeModule.java

diff --git a/com.google.eclipse.protobuf/src/com/google/eclipse/protobuf/ProtobufRuntimeModule.java b/com.google.eclipse.protobuf/src/com/google/eclipse/protobuf/ProtobufRuntimeModule.java
index 1db98a5..4896ae9 100644
--- a/com.google.eclipse.protobuf/src/com/google/eclipse/protobuf/ProtobufRuntimeModule.java
+++ b/com.google.eclipse.protobuf/src/com/google/eclipse/protobuf/ProtobufRuntimeModule.java
@@ -10,10 +10,8 @@
 
 import org.eclipse.xtext.naming.IQualifiedNameProvider;
 import org.eclipse.xtext.scoping.impl.ImportUriResolver;
-import org.eclipse.xtext.scoping.impl.LoadOnDemandResourceDescriptions;
 
 import com.google.eclipse.protobuf.naming.ProtobufQualifiedNameProvider;
-import com.google.eclipse.protobuf.scoping.ResourceDescriptions;
 import com.google.eclipse.protobuf.scoping.SimpleImportUriResolver;
 import com.google.inject.Binder;
 
@@ -30,8 +28,4 @@
   public void configureImportUriResolver(Binder binder) {
     binder.bind(ImportUriResolver.class).to(SimpleImportUriResolver.class);
   }
-
-  public void configureLoadOnDemandResourceDescriptions(Binder binder) {
-    binder.bind(LoadOnDemandResourceDescriptions.class).to(ResourceDescriptions.class);
-  }
 }

com.google.eclipse.protobuf/src/com/google/eclipse/protobuf/scoping/ResourceDescriptions.java

diff --git a/com.google.eclipse.protobuf/src/com/google/eclipse/protobuf/scoping/ResourceDescriptions.java b/com.google.eclipse.protobuf/src/com/google/eclipse/protobuf/scoping/ResourceDescriptions.java
deleted file mode 100644
index 4da0916..0000000
--- a/com.google.eclipse.protobuf/src/com/google/eclipse/protobuf/scoping/ResourceDescriptions.java
+++ /dev/null
@@ -1,74 +0,0 @@
-/*
- * Copyright (c) 2011 Google Inc.
- *
- * All rights reserved. This program and the accompanying materials are made available under the terms of the Eclipse
- * Public License v1.0 which accompanies this distribution, and is available at
- *
- * http://www.eclipse.org/legal/epl-v10.html
- */
-package com.google.eclipse.protobuf.scoping;
-
-import static com.google.common.collect.Iterables.*;
-import static org.eclipse.xtext.EcoreUtil2.getResource;
-
-import java.util.Collection;
-
-import org.eclipse.emf.common.util.URI;
-import org.eclipse.emf.ecore.resource.Resource;
-import org.eclipse.xtext.resource.*;
-import org.eclipse.xtext.resource.IResourceDescription.Manager;
-import org.eclipse.xtext.scoping.impl.LoadOnDemandResourceDescriptions;
-
-import com.google.common.base.Function;
-import com.google.common.base.Predicates;
-import com.google.inject.Inject;
-
-/**
- * Similar to <code>{@link LoadOnDemandResourceDescriptions}</code> but it does not throw exceptions if a
- * <code>{@link IResourceDescription}</code> cannot be obtained from a <code>{@link URI}</code>.
- *
- * @author alruiz@google.com (Alex Ruiz)
- */
-public class ResourceDescriptions extends LoadOnDemandResourceDescriptions {
-
-  private IResourceDescriptions delegate;
-  private Collection<URI> validUris;
-  private Resource context;
-
-  @Inject private IResourceServiceProvider.Registry serviceProviderRegistry;
-
-  @Override
-  public void initialize(IResourceDescriptions newDelegate, Collection<URI> newValidUris, Resource newContext) {
-    delegate = newDelegate;
-    validUris = newValidUris;
-    context = newContext;
-  }
-
-  @Override public Iterable<IResourceDescription> getAllResourceDescriptions() {
-    return filter(transform(validUris, new Function<URI, IResourceDescription>() {
-      public IResourceDescription apply(URI from) {
-        return getResourceDescription(from);
-      }
-    }), Predicates.notNull());
-  }
-
-  @Override public boolean isEmpty() {
-    return validUris.isEmpty();
-  }
-
-  @Override protected Iterable<? extends ISelectable> getSelectables() {
-    return getAllResourceDescriptions();
-  }
-
-  @Override public IResourceDescription getResourceDescription(URI uri) {
-    IResourceDescription result = delegate.getResourceDescription(uri);
-    if (result == null) return result;
-    Resource resource = getResource(context, uri.toString());
-    if (resource == null) return null;
-    IResourceServiceProvider provider = serviceProviderRegistry.getResourceServiceProvider(uri);
-    if (provider == null) return null;
-    Manager manager = provider.getResourceDescriptionManager();
-    if (manager == null) return null;
-    return manager.getResourceDescription(resource);
-  }
-}