Swap crash reporting with unified analytics (#148525)

Fixes: https://github.com/flutter/flutter/issues/147260

(this is a remake of https://github.com/flutter/flutter/pull/147296; in hindsight I could have force-pushed there instead but 🤷)

packages/flutter_tools/lib/runner.dart

@@ -201,10 +201,10 @@ Future<int> _handleToolError(
     globals.analytics.send(Event.exception(exception: error.runtimeType.toString()));
     await asyncGuard(() async {
       final CrashReportSender crashReportSender = CrashReportSender(
-        usage: globals.flutterUsage,
         platform: globals.platform,
         logger: globals.logger,
         operatingSystemUtils: globals.os,
+        analytics: globals.analytics,
       );
       await crashReportSender.sendReport(
         error: error,

packages/flutter_tools/lib/src/reporting/crash_reporting.dart

@@ -6,6 +6,7 @@ import 'dart:async';
 
 import 'package:file/file.dart';
 import 'package:http/http.dart' as http;
+import 'package:unified_analytics/unified_analytics.dart';
 
 import '../base/file_system.dart';
 import '../base/io.dart';
@@ -15,7 +16,6 @@ import '../base/platform.dart';
 import '../doctor.dart';
 import '../project.dart';
 import 'github_template.dart';
-import 'reporting.dart';
 
 /// Tells crash backend that the error is from the Flutter CLI.
 const String _kProductId = 'Flutter_Tools';
@@ -105,21 +105,21 @@ class CrashReporter {
 class CrashReportSender {
   CrashReportSender({
     http.Client? client,
-    required Usage usage,
     required Platform platform,
     required Logger logger,
     required OperatingSystemUtils operatingSystemUtils,
+    required Analytics analytics,
   }) : _client = client ?? http.Client(),
-      _usage = usage,
       _platform = platform,
       _logger = logger,
-      _operatingSystemUtils = operatingSystemUtils;
+      _operatingSystemUtils = operatingSystemUtils,
+      _analytics = analytics;
 
   final http.Client _client;
-  final Usage _usage;
   final Platform _platform;
   final Logger _logger;
   final OperatingSystemUtils _operatingSystemUtils;
+  final Analytics _analytics;
 
   bool _crashReportSent = false;
 
@@ -154,7 +154,7 @@ class CrashReportSender {
       final String flutterVersion = getFlutterVersion();
 
       // We don't need to report exceptions happening on user branches
-      if (_usage.suppressAnalytics || RegExp(r'^\[user-branch\]\/').hasMatch(flutterVersion)) {
+      if (!_analytics.okToSend || RegExp(r'^\[user-branch\]\/').hasMatch(flutterVersion)) {
         return;
       }
 
@@ -168,7 +168,7 @@ class CrashReportSender {
       );
 
       final http.MultipartRequest req = http.MultipartRequest('POST', uri);
-      req.fields['uuid'] = _usage.clientId;
+      req.fields['uuid'] = _analytics.clientId;
       req.fields['product'] = _kProductId;
       req.fields['version'] = flutterVersion;
       req.fields['osName'] = _platform.operatingSystem;

packages/flutter_tools/test/general.shard/crash_reporting_test.dart

@@ -13,26 +13,30 @@ import 'package:flutter_tools/src/base/platform.dart';
 import 'package:flutter_tools/src/doctor.dart';
 import 'package:flutter_tools/src/project.dart';
 import 'package:flutter_tools/src/reporting/crash_reporting.dart';
-import 'package:flutter_tools/src/reporting/reporting.dart';
 import 'package:http/http.dart';
 import 'package:http/testing.dart';
 import 'package:test/fake.dart';
+import 'package:unified_analytics/unified_analytics.dart';
 
 import '../src/common.dart';
 import '../src/fake_process_manager.dart';
+import '../src/fakes.dart';
 
 void main() {
   late BufferLogger logger;
-  late FileSystem fs;
+  late MemoryFileSystem fs;
-  late TestUsage testUsage;
   late Platform platform;
   late OperatingSystemUtils operatingSystemUtils;
   late StackTrace stackTrace;
+  late FakeAnalytics fakeAnalytics;
 
   setUp(() async {
     logger = BufferLogger.test();
     fs = MemoryFileSystem.test();
-    testUsage = TestUsage();
+    fakeAnalytics = getInitializedFakeAnalyticsInstance(
+      fs: fs,
+      fakeFlutterVersion: FakeFlutterVersion(),
+    );
 
     platform = FakePlatform(environment: <String, String>{});
     operatingSystemUtils = OperatingSystemUtils(
@@ -63,7 +67,7 @@ void main() {
         'version': 'test-version',
       },
     ));
-    expect(crashInfo.fields?['uuid'], testUsage.clientId);
+    expect(crashInfo.fields?['uuid'], fakeAnalytics.clientId);
     expect(crashInfo.fields?['product'], 'Flutter_Tools');
     expect(crashInfo.fields?['version'], 'test-version');
     expect(crashInfo.fields?['osName'], 'linux');
@@ -104,14 +108,14 @@ void main() {
   });
 
   testWithoutContext('suppress analytics', () async {
-    testUsage.suppressAnalytics = true;
+    fakeAnalytics.suppressTelemetry();
 
     final CrashReportSender crashReportSender = CrashReportSender(
       client: CrashingCrashReportSender(const SocketException('no internets')),
-      usage: testUsage,
       platform: platform,
       logger: logger,
       operatingSystemUtils: operatingSystemUtils,
+      analytics: fakeAnalytics,
     );
 
     await crashReportSender.sendReport(
@@ -126,7 +130,7 @@ void main() {
 
   group('allow analytics', () {
     setUp(() async {
-      testUsage.suppressAnalytics = false;
+      await fakeAnalytics.setTelemetry(true);
     });
 
     testWithoutContext('should send crash reports', () async {
@@ -134,10 +138,10 @@ void main() {
 
       final CrashReportSender crashReportSender = CrashReportSender(
         client: MockCrashReportSender(requestInfo),
-        usage: testUsage,
         platform: platform,
         logger: logger,
         operatingSystemUtils: operatingSystemUtils,
+        analytics: fakeAnalytics,
       );
 
       await crashReportSender.sendReport(
@@ -153,10 +157,10 @@ void main() {
     testWithoutContext('should print an explanatory message when there is a SocketException', () async {
       final CrashReportSender crashReportSender = CrashReportSender(
         client: CrashingCrashReportSender(const SocketException('no internets')),
-        usage: testUsage,
         platform: platform,
         logger: logger,
         operatingSystemUtils: operatingSystemUtils,
+        analytics: fakeAnalytics,
       );
 
       await crashReportSender.sendReport(
@@ -172,10 +176,10 @@ void main() {
     testWithoutContext('should print an explanatory message when there is an HttpException', () async {
       final CrashReportSender crashReportSender = CrashReportSender(
         client: CrashingCrashReportSender(const HttpException('no internets')),
-        usage: testUsage,
         platform: platform,
         logger: logger,
         operatingSystemUtils: operatingSystemUtils,
+        analytics: fakeAnalytics,
       );
 
       await crashReportSender.sendReport(
@@ -191,10 +195,10 @@ void main() {
     testWithoutContext('should print an explanatory message when there is a ClientException', () async {
       final CrashReportSender crashReportSender = CrashReportSender(
         client: CrashingCrashReportSender(const HttpException('no internets')),
-        usage: testUsage,
         platform: platform,
         logger: logger,
         operatingSystemUtils: operatingSystemUtils,
+        analytics: fakeAnalytics,
       );
 
       await crashReportSender.sendReport(
@@ -212,10 +216,10 @@ void main() {
 
       final CrashReportSender crashReportSender = CrashReportSender(
         client: MockCrashReportSender(requestInfo),
-        usage: testUsage,
         platform: platform,
         logger: logger,
         operatingSystemUtils: operatingSystemUtils,
+        analytics: fakeAnalytics,
       );
 
       await crashReportSender.sendReport(
@@ -266,10 +270,10 @@ void main() {
 
       final CrashReportSender crashReportSender = CrashReportSender(
         client: mockClient,
-        usage: testUsage,
         platform: platform,
         logger: logger,
         operatingSystemUtils: operatingSystemUtils,
+        analytics: fakeAnalytics,
       );
 
       await crashReportSender.sendReport(
@@ -303,10 +307,10 @@ void main() {
 
       final CrashReportSender crashReportSender = CrashReportSender(
         client: mockClient,
-        usage: testUsage,
         platform: environmentPlatform,
         logger: logger,
         operatingSystemUtils: operatingSystemUtils,
+        analytics: fakeAnalytics,
       );
 
       await crashReportSender.sendReport(