Remove browser_detect dependency

+ It is abandonware.  Use Workiva’s platform_detect instead.

pubspec.yaml

@@ -16,10 +16,9 @@ dependencies:
   source_span: "^1.2.0"
   transformer_utils: "^0.1.1"
   w_flux: "^2.5.0"
-  platform_detect: "^1.1.1"
+  platform_detect: "^1.3.2"
   quiver: ">=0.21.4 <0.25.0"
 dev_dependencies:
-  browser_detect: "^1.0.4"
   matcher: ">=0.11.0 <0.13.0"
   coverage: "^0.7.2"
   dart_dev: "^1.0.5"

test/test_util/dom_util.dart

@@ -18,7 +18,7 @@ import 'dart:async';
 import 'dart:html';
 import 'dart:js';
 
-import 'package:browser_detect/browser_detect.dart';
+import 'package:platform_detect/platform_detect.dart';
 
 /// Dispatches a `transitionend` event when the CSS transition of the [element]
 /// is complete. Returns a [Future] that completes after the event has been dispatched.
@@ -43,7 +43,7 @@ Future triggerTransitionEnd(Element element) {
   }
 
   // Need to use webkitTransitionEnd in Edge. See https://github.com/dart-lang/sdk/issues/26972
-  var eventName = (browser.isIe && browser.version > '11') ? 'webkitTransitionEnd' : 'transitionend';
+  var eventName = (browser.isInternetExplorer && browser.version.major > 11) ? 'webkitTransitionEnd' : 'transitionend';
 
   jsEvent.callMethod('initEvent', [eventName, true, true]);
 

test/wsd_test_util/common_component_tests.dart

@@ -23,7 +23,7 @@ import 'dart:html';
 ])
 import 'dart:mirrors';
 
-import 'package:browser_detect/browser_detect.dart';
+import 'package:platform_detect/platform_detect.dart';
 import 'package:over_react/over_react.dart';
 import 'package:over_react/src/component_declaration/component_base.dart' as component_base;
 import 'package:react/react_client.dart';
@@ -434,7 +434,7 @@ void commonComponentTests(BuilderOnlyUiFactory factory, {
   skippedPropKeys = flatten(skippedPropKeys).toList();
 
   // TODO: Remove this short-circuit when UIP-1125.
-  if (browser.isIe && browser.version <= '10') return;
+  if (browser.isInternetExplorer && browser.version.major <= 10) return;
 
   if (shouldTestPropForwarding) {
     testPropForwarding(factory, childrenFactory,