Require explicit selection of traits for LazyInstance

android_webview/lib/main/aw_main_delegate.cc

Index: android_webview/lib/main/aw_main_delegate.cc
diff --git a/android_webview/lib/main/aw_main_delegate.cc b/android_webview/lib/main/aw_main_delegate.cc
index eba92c4a9e880e4198db7037c6f1f8b01c5dbf2e..b356d27fa8ed710b41a3a7c450e05141694e7bec 100644
--- a/android_webview/lib/main/aw_main_delegate.cc
+++ b/android_webview/lib/main/aw_main_delegate.cc
@@ -55,8 +55,8 @@ namespace {
 
 // TODO(boliu): Remove this global Allow once the underlying issues are
 // resolved - http://crbug.com/240453. See AwMainDelegate::RunProcess below.
-base::LazyInstance<std::unique_ptr<ScopedAllowWaitForLegacyWebViewApi>>
-    g_allow_wait_in_ui_thread = LAZY_INSTANCE_INITIALIZER;
+base::LazyInstance<std::unique_ptr<ScopedAllowWaitForLegacyWebViewApi>>::
+    DestructorAtExit g_allow_wait_in_ui_thread = LAZY_INSTANCE_INITIALIZER;
 }
 
 AwMainDelegate::AwMainDelegate() {