Add LibraryDependencyMirror+CombinatorMirror to source mirrors.

sdk/lib/_internal/compiler/implementation/mirrors/mirrors.dart

Index: sdk/lib/_internal/compiler/implementation/mirrors/mirrors.dart
diff --git a/sdk/lib/_internal/compiler/implementation/mirrors/mirrors.dart b/sdk/lib/_internal/compiler/implementation/mirrors/mirrors.dart
index 1af5f141919ca83c3250037707e6409e93b7a1b3..02299f66e15112cee63f994ec8f1a7cbe9b0c4cd 100644
--- a/sdk/lib/_internal/compiler/implementation/mirrors/mirrors.dart
+++ b/sdk/lib/_internal/compiler/implementation/mirrors/mirrors.dart
@@ -292,6 +292,33 @@ abstract class LibraryMirror implements ContainerMirror, DeclarationMirror {
    * Returns the canonical URI for this library.
    */
   Uri get uri;
+
+  /**
+   * Returns a list of the imports and exports in this library;
+   */
+  List<LibraryDependencyMirror> get libraryDependencies;
+}
+
+abstract class LibraryDependencyMirror {
+  bool get isImport;
+
+  bool get isExport;
+
+  LibraryMirror get sourceLibrary;
+
+  LibraryMirror get targetLibrary;
+
+  String get prefix;
+
+  List<CombinatorMirror> get combinators;
+
+  SourceLocation get location;
+}
+
+abstract class CombinatorMirror {
+  List<String> get identifiers;
+  bool get isShow;
+  bool get isHide;
 }
 
 /**