Add analytics to analyzer-cli and analysis server.

pkg/analysis_server/lib/src/domain_analysis.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:async';
 import 'dart:core';
 
 import 'package:analysis_server/plugin/analysis/analysis_domain.dart';
 import 'package:analysis_server/protocol/protocol_constants.dart';
 import 'package:analysis_server/src/analysis_server.dart';
@@ skipping 230 matching lines @@
     } on RequestFailure catch (exception) {
       return exception.response;
     }
     return null;
   }
 
   /**
    * Implement the 'analysis.reanalyze' request.
    */
   Response reanalyze(Request request) {
+    server.options.analytics?.sendEvent('analysis', 'reanalyze');
+
     AnalysisReanalyzeParams params =
         new AnalysisReanalyzeParams.fromRequest(request);
     List<String> roots = params.roots;
     if (roots == null || roots.isNotEmpty) {
       List<String> includedPaths = server.contextManager.includedPaths;
       List<Resource> rootResources = null;
       if (roots != null) {
         rootResources = <Resource>[];
         for (String rootPath in roots) {
           if (!includedPaths.contains(rootPath)) {
@@ skipping 16 matching lines @@
     return new AnalysisReanalyzeResult().toResponse(request.id);
   }
 
   /**
    * Implement the 'analysis.setAnalysisRoots' request.
    */
   Response setAnalysisRoots(Request request) {
     var params = new AnalysisSetAnalysisRootsParams.fromRequest(request);
     List<String> includedPathList = params.included;
     List<String> excludedPathList = params.excluded;
+
+    server.options.analytics?.sendEvent('analysis', 'setAnalysisRoots',
+        value: includedPathList.length);
+
     // validate
     for (String path in includedPathList) {
       if (!server.isValidFilePath(path)) {
         return new Response.invalidFilePathFormat(request, path);
       }
     }
     for (String path in excludedPathList) {
       if (!server.isValidFilePath(path)) {
         return new Response.invalidFilePathFormat(request, path);
       }
@@ skipping 133 matching lines @@
 
   AnalysisDomainImpl(this.server) {
     // TODO(brianwilkerson) The onContextsChanged stream is no longer written to.
     // Figure out whether this code still needs to be here and convert it to use
     // the analysis driver if it does.
 //    server.onContextsChanged.listen((ContextsChangedEvent event) {
 //      event.added.forEach(_subscribeForContext);
 //    });
   }
 }