debt - move graph close to its only user

src/vs/platform/instantiation/common/extensions.ts

@@ -7,7 +7,6 @@
 import { SyncDescriptor } from './descriptors';
 import { ServiceIdentifier, IConstructorSignature0 } from './instantiation';
 
-export const Services = 'di.services';
 
 export interface IServiceContribution<T> {
 	id: ServiceIdentifier<T>;
@@ -22,4 +21,4 @@ export function registerSingleton<T>(id: ServiceIdentifier<T>, ctor: IConstructo
 
 export function getServices(): IServiceContribution<any>[] {
 	return _registry;
-}
\ No newline at end of file
+}

src/vs/platform/instantiation/common/instantiationService.ts

@@ -6,7 +6,7 @@
 
 import { illegalState } from 'vs/base/common/errors';
 import { create } from 'vs/base/common/types';
-import { Graph } from 'vs/base/common/graph';
+import { Graph } from 'vs/platform/instantiation/common/graph';
 import { SyncDescriptor } from 'vs/platform/instantiation/common/descriptors';
 import { ServiceIdentifier, IInstantiationService, ServicesAccessor, _util, optional } from 'vs/platform/instantiation/common/instantiation';
 import { ServiceCollection } from 'vs/platform/instantiation/common/serviceCollection';

src/vs/base/test/common/graph.test.ts → src/vs/platform/instantiation/test/common/graph.test.ts

@@ -5,7 +5,7 @@
 'use strict';
 
 import * as assert from 'assert';
-import { Graph } from 'vs/base/common/graph';
+import { Graph } from 'vs/platform/instantiation/common/graph';
 
 suite('Graph', () => {
 	var graph: Graph<string>;