Simplify toImage future handling (#30876)

Thanks to cbracken@'s suggestion on another Google-internal change.

Simplify toImage future handling (#30876)
Thanks to cbracken@'s suggestion on another Google-internal change.
8ca7c4cb · liyuqian · GitHub · a5dd074b · 8ca7c4cb
Unverified Commit 8ca7c4cb authored Apr 11, 2019 by liyuqian Committed by GitHub Apr 11, 2019
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shader_warm_up.dart packages/flutter/lib/src/painting/shader_warm_up.dart +2 -3

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--- a/packages/flutter/lib/src/painting/shader_warm_up.dart
+++ b/packages/flutter/lib/src/painting/shader_warm_up.dart
@@ -87,9 +87,8 @@ abstract class ShaderWarmUp {
    final ui.Picture picture = recorder.endRecording();
    final TimelineTask shaderWarmUpTask = TimelineTask();
    shaderWarmUpTask.start('Warm-up shader');
-    picture.toImage(size.width.ceil(), size.height.ceil()).then((ui.Image image) {
+    await picture.toImage(size.width.ceil(), size.height.ceil());
-      shaderWarmUpTask.finish();
+    shaderWarmUpTask.finish();
-    });
  }
 }