Move common URIs to common/names.dart

pkg/compiler/lib/src/js_backend/backend.dart

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 part of js_backend;
 
 const VERBOSE_OPTIMIZER_HINTS = false;
 
 class JavaScriptItemCompilationContext extends ItemCompilationContext {
   final Set<HInstruction> boundsChecked = new Set<HInstruction>();
@@ skipping 205 matching lines @@
   DUMMY_INTERCEPTOR,
   EMPTY_VALUE,
   TYPEVARIABLE_REFERENCE,
   NAME
 }
 
 class JavaScriptBackend extends Backend {
   static final Uri DART_JS_HELPER = new Uri(scheme: 'dart', path: '_js_helper');
   static final Uri DART_INTERCEPTORS =
       new Uri(scheme: 'dart', path: '_interceptors');
-  static final Uri DART_INTERNAL =
-      new Uri(scheme: 'dart', path: '_internal');
   static final Uri DART_FOREIGN_HELPER =
       new Uri(scheme: 'dart', path: '_foreign_helper');
   static final Uri DART_JS_MIRRORS =
       new Uri(scheme: 'dart', path: '_js_mirrors');
   static final Uri DART_JS_NAMES =
       new Uri(scheme: 'dart', path: '_js_names');
   static final Uri DART_EMBEDDED_NAMES =
       new Uri(scheme: 'dart', path: '_js_embedded_names');
   static final Uri DART_ISOLATE_HELPER =
       new Uri(scheme: 'dart', path: '_isolate_helper');
-  static final Uri DART_ASYNC = new Uri(scheme: 'dart', path: 'async');
-  static final Uri DART_HTML = new Uri(scheme: 'dart', path: 'html');
 
   static const String INVOKE_ON = '_getCachedInvocation';
   static const String START_ROOT_ISOLATE = 'startRootIsolate';
 
 
   String get patchVersion => emitter.patchVersion;
 
   bool get supportsReflection => emitter.emitter.supportsReflection;
 
   final Annotations annotations;
@@ skipping 1773 matching lines @@
       }
       return true;
     }
     return false;
   }
 
   void onLibraryCreated(LibraryElement library) {
     Uri uri = library.canonicalUri;
     if (uri == DART_JS_HELPER) {
       jsHelperLibrary = library;
-    } else if (uri == DART_ASYNC) {
+    } else if (uri == Uris.dart_async) {
       asyncLibrary = library;
-    } else if (uri == DART_INTERNAL) {
+    } else if (uri == Uris.dart__internal) {
       internalLibrary = library;
     } else if (uri ==  DART_INTERCEPTORS) {
       interceptorsLibrary = library;
     } else if (uri ==  DART_FOREIGN_HELPER) {
       foreignLibrary = library;
     } else if (uri == DART_ISOLATE_HELPER) {
       isolateHelperLibrary = library;
     }
   }
 
@@ skipping 82 matching lines @@
       } else if (uri == DART_JS_MIRRORS) {
         disableTreeShakingMarker = find(library, 'disableTreeShaking');
         preserveMetadataMarker = find(library, 'preserveMetadata');
         preserveUrisMarker = find(library, 'preserveUris');
         preserveLibraryNamesMarker = find(library, 'preserveLibraryNames');
       } else if (uri == DART_JS_NAMES) {
         preserveNamesMarker = find(library, 'preserveNames');
       } else if (uri == DART_EMBEDDED_NAMES) {
         jsGetNameEnum = find(library, 'JsGetName');
         jsBuiltinEnum = find(library, 'JsBuiltin');
-      } else if (uri == DART_HTML) {
+      } else if (uri == Uris.dart_html) {
         htmlLibraryIsLoaded = true;
       }
       annotations.onLibraryScanned(library);
     });
   }
 
   Future onLibrariesLoaded(LoadedLibraries loadedLibraries) {
-    if (!loadedLibraries.containsLibrary(Compiler.DART_CORE)) {
+    if (!loadedLibraries.containsLibrary(Uris.dart_core)) {
       return new Future.value();
     }
 
-    assert(loadedLibraries.containsLibrary(Compiler.DART_CORE));
+    assert(loadedLibraries.containsLibrary(Uris.dart_core));
     assert(loadedLibraries.containsLibrary(DART_INTERCEPTORS));
     assert(loadedLibraries.containsLibrary(DART_JS_HELPER));
 
     if (jsInvocationMirrorClass != null) {
       jsInvocationMirrorClass.ensureResolved(compiler);
       invokeOnMethod = jsInvocationMirrorClass.lookupLocalMember(INVOKE_ON);
     }
 
     // [LinkedHashMap] is reexported from dart:collection and can therefore not
     // be loaded from dart:core in [onLibraryScanned].
@@ skipping 941 matching lines @@
   }
 }
 
 /// Records that [constant] is used by the element behind [registry].
 class Dependency {
   final ConstantValue constant;
   final Element annotatedElement;
 
   const Dependency(this.constant, this.annotatedElement);
 }