From 07d7550d808e27eddfbdae83f20178c73cb0cbf9 Mon Sep 17 00:00:00 2001
From: Jonah Williams <jonahwilliams@google.com>
Date: Sat, 6 Jul 2019 00:45:07 -0700
Subject: [PATCH] fix Picture.toImage return type check and api conform test.
 (flutter/engine#9685)

---
 engine/src/flutter/web_sdk/test/api_conform_test.dart | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/engine/src/flutter/web_sdk/test/api_conform_test.dart b/engine/src/flutter/web_sdk/test/api_conform_test.dart
index 137237bc79b..d121fb48b8b 100644
--- a/engine/src/flutter/web_sdk/test/api_conform_test.dart
+++ b/engine/src/flutter/web_sdk/test/api_conform_test.dart
@@ -148,6 +148,15 @@ void main() {
               '${uiParam.identifier.name} is named, but not in lib/stub_ui/ui.dart.');
         }
       }
+      // check return type.
+      if (uiMethod.returnType?.toString() != webMethod.returnType?.toString()) {
+        // allow dynamic in web implementation.
+        if (webMethod.returnType?.toString() != 'dynamic') {
+          failed = true;
+          print('Warning: lib/ui/ui.dart $className.$methodName return type'
+              '${uiMethod.returnType?.toString()} is not the same as in lib/stub_ui/ui.dart.');
+        }
+      }
     }
   }
   if (failed) {
@@ -158,8 +167,6 @@ void main() {
   exit(0);
 }
 
-void _checkParameters() {}
-
 // Collects all public classes defined by the part files of [unit].
 void _collectPublicClasses(CompilationUnit unit,
     Map<String, ClassDeclaration> destination, String root) {