[Android] Java Bridge: handle requests from Java Script on the background thread

content/browser/android/content_view_core_impl.cc

Index: content/browser/android/content_view_core_impl.cc
diff --git a/content/browser/android/content_view_core_impl.cc b/content/browser/android/content_view_core_impl.cc
index 69654ea294ee9d949181590a2a85c94db05c397c..3705355920a55d7a0b8e340d979242f06e7c31a0 100644
--- a/content/browser/android/content_view_core_impl.cc
+++ b/content/browser/android/content_view_core_impl.cc
@@ -248,9 +248,9 @@ ContentViewCoreImpl::ContentViewCoreImpl(
       BuildUserAgentFromOSAndProduct(kLinuxInfoStr, product);
   web_contents->SetUserAgentOverride(spoofed_ua);
 
-  java_bridge_dispatcher_host_.reset(
+  java_bridge_dispatcher_host_ =
       new GinJavaBridgeDispatcherHost(web_contents,
-                                      java_bridge_retained_object_set));
+                                      java_bridge_retained_object_set);
 
   InitWebContents();
 }