[dart][strict-deps] Update source lists

Bug: 57840
Change-Id: I61d9ef73ba48f3db2123bde05bf3cfd20e19992f
Reviewed-on: https://fuchsia-review.googlesource.com/c/experiences/+/425462
Reviewed-by: Kevin Lindkvist <lindkvist@google.com>
Commit-Queue: Adam Lesinski <adamlesinski@google.com>
diff --git a/benchmarks/bin/button_flutter/BUILD.gn b/benchmarks/bin/button_flutter/BUILD.gn
index ada86e3..39893ca 100644
--- a/benchmarks/bin/button_flutter/BUILD.gn
+++ b/benchmarks/bin/button_flutter/BUILD.gn
@@ -7,6 +7,8 @@
 flutter_app("button_flutter") {
   main_dart = "lib/main.dart"
 
+  sources = [ "main.dart" ]
+
   meta = [
     {
       path = rebase_path("meta/button_flutter.cmx")
@@ -16,7 +18,7 @@
 
   deps = [
     "//third_party/dart-pkg/git/flutter/packages/flutter",
-    "//topaz/public/dart/fuchsia_scenic_flutter",
     "//topaz/public/dart/fuchsia_logger",
+    "//topaz/public/dart/fuchsia_scenic_flutter",
   ]
 }
diff --git a/benchmarks/bin/clockface_flutter/BUILD.gn b/benchmarks/bin/clockface_flutter/BUILD.gn
index 09ba762..2110aed 100644
--- a/benchmarks/bin/clockface_flutter/BUILD.gn
+++ b/benchmarks/bin/clockface_flutter/BUILD.gn
@@ -7,6 +7,8 @@
 flutter_app("clockface-flutter") {
   main_dart = "lib/main.dart"
 
+  sources = [ "main.dart" ]
+
   meta = [
     {
       path = rebase_path("meta/clockface-flutter.cmx")
diff --git a/benchmarks/bin/gamma_flutter/BUILD.gn b/benchmarks/bin/gamma_flutter/BUILD.gn
index b0ee39b..67e81a8 100644
--- a/benchmarks/bin/gamma_flutter/BUILD.gn
+++ b/benchmarks/bin/gamma_flutter/BUILD.gn
@@ -7,6 +7,8 @@
 flutter_app("gamma-flutter") {
   main_dart = "lib/main.dart"
 
+  sources = [ "main.dart" ]
+
   meta = [
     {
       path = rebase_path("meta/gamma-flutter.cmx")
diff --git a/benchmarks/bin/scroll_flutter/BUILD.gn b/benchmarks/bin/scroll_flutter/BUILD.gn
index 77c4754..8cd2cb3 100644
--- a/benchmarks/bin/scroll_flutter/BUILD.gn
+++ b/benchmarks/bin/scroll_flutter/BUILD.gn
@@ -7,6 +7,8 @@
 flutter_app("scroll-flutter") {
   main_dart = "lib/main.dart"
 
+  sources = [ "main.dart" ]
+
   # Force a non-release (profile or debug) build since flutter_driver is
   # disabled in release builds.
   product = false