Update the analysis server diagnostic page - re-enable code completion and overlay pages,

pkg/analysis_server/lib/src/status/get_handler.dart

 // Copyright (c) 2014, 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.
 
 import 'dart:collection';
 import 'dart:convert';
 import 'dart:io';
 import 'dart:math';
 
 import 'package:analysis_server/protocol/protocol.dart';
 import 'package:analysis_server/protocol/protocol_generated.dart';
 import 'package:analysis_server/src/analysis_server.dart';
 import 'package:analysis_server/src/domain_completion.dart';
 import 'package:analysis_server/src/domain_diagnostic.dart';
 import 'package:analysis_server/src/domain_execution.dart';
 import 'package:analysis_server/src/operation/operation.dart';
 import 'package:analysis_server/src/operation/operation_analysis.dart';
 import 'package:analysis_server/src/operation/operation_queue.dart';
+import 'package:analysis_server/src/server/http_server.dart';
 import 'package:analysis_server/src/services/completion/completion_performance.dart';
 import 'package:analysis_server/src/socket_server.dart';
 import 'package:analysis_server/src/status/ast_writer.dart';
 import 'package:analysis_server/src/status/element_writer.dart';
 import 'package:analysis_server/src/status/memory_use.dart';
 import 'package:analysis_server/src/status/validator.dart';
 import 'package:analysis_server/src/utilities/average.dart';
 import 'package:analyzer/dart/ast/ast.dart';
 import 'package:analyzer/dart/element/element.dart';
 import 'package:analyzer/dart/element/visitor.dart';
@@ skipping 22 matching lines @@
 import 'package:analyzer/task/model.dart';
 import 'package:plugin/plugin.dart';
 
 /**
  * A function that can be used to generate HTML output into the given [buffer].
  * The HTML that is generated must be valid (special characters must already be
  * encoded).
  */
 typedef void HtmlGenerator(StringBuffer buffer);
 
-/**
- * Instances of the class [AbstractGetHandler] handle GET requests.
- */
-abstract class AbstractGetHandler {
-  /**
-   * Handle a GET request received by the HTTP server.
-   */
-  void handleGetRequest(HttpRequest request);
-}
-
 class ElementCounter extends RecursiveElementVisitor {
   Map<Type, int> counts = new HashMap<Type, int>();
   int elementsWithDocs = 0;
   int totalDocSpan = 0;
 
   void visit(Element element) {
     String comment = element.documentationComment;
     if (comment != null) {
       ++elementsWithDocs;
       totalDocSpan += comment.length;
@@ skipping 2665 matching lines @@
    */
   static String makeLink(
       String path, Map<String, String> params, String innerHtml,
       [bool hasError = false]) {
     Uri uri = new Uri(path: path, queryParameters: params);
     String href = HTML_ESCAPE.convert(uri.toString());
     String classAttribute = hasError ? ' class="error"' : '';
     return '<a href="$href"$classAttribute>$innerHtml</a>';
   }
 }