Implement 'Import Library' Quick Fix for project libraries using TopLevelDeclarationInSource.

pkg/analysis_server/lib/src/edit/edit_domain.dart

Index: pkg/analysis_server/lib/src/edit/edit_domain.dart
diff --git a/pkg/analysis_server/lib/src/edit/edit_domain.dart b/pkg/analysis_server/lib/src/edit/edit_domain.dart
index b2a990f39f735ef799a76df0c82b7b67995f7ad8..9dd6828027ac7f096096c410110ce665310b8186 100644
--- a/pkg/analysis_server/lib/src/edit/edit_domain.dart
+++ b/pkg/analysis_server/lib/src/edit/edit_domain.dart
@@ -188,8 +188,11 @@ class EditDomainHandler implements RequestHandler {
         for (engine.AnalysisError error in result.errors) {
           int errorLine = lineInfo.getLocation(error.offset).lineNumber;
           if (errorLine == requestLine) {
-            var context = new _DartFixContextImpl(
-                server.resourceProvider, unit.element.context, unit, error);
+            var context = new _DartFixContextImpl(server.resourceProvider,
+                (String name) async {
+              // TODO(scheglov) implement for the new driver
+              return [];
+            }, unit.element.context, unit, error);
             List<Fix> fixes =
                 await new DefaultFixContributor().internalComputeFixes(context);
             if (fixes.isNotEmpty) {
@@ -497,6 +500,9 @@ class _DartFixContextImpl implements DartFixContext {
   final ResourceProvider resourceProvider;
 
   @override
+  final GetTopLevelDeclarations getTopLevelDeclarations;
+
+  @override
   final engine.AnalysisContext analysisContext;
 
   @override
@@ -505,8 +511,8 @@ class _DartFixContextImpl implements DartFixContext {
   @override
   final engine.AnalysisError error;
 
-  _DartFixContextImpl(
-      this.resourceProvider, this.analysisContext, this.unit, this.error);
+  _DartFixContextImpl(this.resourceProvider, this.getTopLevelDeclarations,
+      this.analysisContext, this.unit, this.error);
 }
 
 /**