Lands beta branch into master for 2.5 (#895)

experimental/desktop_photo_search/lib/src/widgets/photo_details.dart

@@ -27,8 +27,7 @@ class PhotoDetails extends StatefulWidget {
   _PhotoDetailsState createState() => _PhotoDetailsState();
 }
 
-class _PhotoDetailsState extends State<PhotoDetails>
-    with TickerProviderStateMixin {
+class _PhotoDetailsState extends State<PhotoDetails> {
   Widget _buildPhotoAttribution(BuildContext context) {
     return Row(
       children: [
@@ -69,7 +68,6 @@ class _PhotoDetailsState extends State<PhotoDetails>
                   borderRadius: BorderRadius.circular(4),
                 ),
                 child: AnimatedSize(
-                  vsync: this,
                   duration: const Duration(milliseconds: 750),
                   child: Padding(
                     padding: const EdgeInsets.fromLTRB(16, 16, 16, 40),

experimental/desktop_photo_search/pubspec.lock

@@ -14,7 +14,7 @@ packages:
       name: analyzer
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.7.1"
+    version: "1.7.2"
   ansicolor:
     dependency: transitive
     description:
@@ -35,7 +35,7 @@ packages:
       name: async
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.6.1"
+    version: "2.8.1"
   boolean_selector:
     dependency: transitive
     description:
@@ -119,7 +119,7 @@ packages:
       name: charcode
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.2.0"
+    version: "1.3.1"
   checked_yaml:
     dependency: transitive
     description:
@@ -395,7 +395,7 @@ packages:
       name: meta
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.3.0"
+    version: "1.7.0"
   mime:
     dependency: transitive
     description:
@@ -554,7 +554,7 @@ packages:
       name: test_api
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.3.0"
+    version: "0.4.2"
   timing:
     dependency: transitive
     description:

experimental/desktop_photo_search/test/widget_test.dart

@@ -4,11 +4,11 @@
 
 import 'dart:typed_data';
 
-import 'package:desktop_photo_search/src/unsplash/photo.dart';
-import 'package:flutter/material.dart';
 import 'package:desktop_photo_search/src/model/photo_search_model.dart';
+import 'package:desktop_photo_search/src/unsplash/photo.dart';
 import 'package:desktop_photo_search/src/unsplash/search_photos_response.dart';
 import 'package:desktop_photo_search/src/unsplash/unsplash.dart';
+import 'package:flutter/material.dart';
 import 'package:flutter_test/flutter_test.dart';
 import 'package:provider/provider.dart';