Require explicit selection of traits for LazyInstance

content/browser/frame_host/render_frame_proxy_host.cc

Index: content/browser/frame_host/render_frame_proxy_host.cc
diff --git a/content/browser/frame_host/render_frame_proxy_host.cc b/content/browser/frame_host/render_frame_proxy_host.cc
index 42cdb39dcc545220565603699586098725acee5e..1107e77fe4508b99b5a2f3446bf766bf59c7ad7d 100644
--- a/content/browser/frame_host/render_frame_proxy_host.cc
+++ b/content/browser/frame_host/render_frame_proxy_host.cc
@@ -30,9 +30,8 @@ namespace {
 typedef std::pair<int32_t, int32_t> RenderFrameProxyHostID;
 typedef base::hash_map<RenderFrameProxyHostID, RenderFrameProxyHost*>
     RoutingIDFrameProxyMap;
-base::LazyInstance<RoutingIDFrameProxyMap> g_routing_id_frame_proxy_map =
-  LAZY_INSTANCE_INITIALIZER;
-
+base::LazyInstance<RoutingIDFrameProxyMap>::DestructorAtExit
+    g_routing_id_frame_proxy_map = LAZY_INSTANCE_INITIALIZER;
 }
 
 // static