[Android] Fix GinJavaBridgeMessageFilter registration issue in Java Bridge.

content/browser/android/java/gin_java_bridge_dispatcher_host.cc

Index: content/browser/android/java/gin_java_bridge_dispatcher_host.cc
diff --git a/content/browser/android/java/gin_java_bridge_dispatcher_host.cc b/content/browser/android/java/gin_java_bridge_dispatcher_host.cc
index 0a08896b09253e210e72897d278359c46e603edd..0368abfc34eaaf92d1054c5dfe336b21f488d020 100644
--- a/content/browser/android/java/gin_java_bridge_dispatcher_host.cc
+++ b/content/browser/android/java/gin_java_bridge_dispatcher_host.cc
@@ -79,6 +79,23 @@ void GinJavaBridgeDispatcherHost::WebContentsDestroyed() {
     filter->RemoveHost(this);
 }
 
+void GinJavaBridgeDispatcherHost::RenderProcessGone(
+    base::TerminationStatus status) {
+  scoped_refptr<GinJavaBridgeMessageFilter> filter =

[mnaganov (inactive), 2015/12/28 19:00:17]

A simpler approach is to remove the user data from the associated
RenderProcessHost. This way a new filter will be created and added for the new
channel automatically when needed.

[Pritam Nikam, 2015/12/29 11:24:46]

Done.

+      GinJavaBridgeMessageFilter::FromHost(this, false);
+  if (filter)
+    filter->SetNeedsToAddFilterForNewIpcChannel(true);
+}
+
+void GinJavaBridgeDispatcherHost::RenderViewHostChanged(
+    RenderViewHost* old_host,
+    RenderViewHost* new_host) {
+  scoped_refptr<GinJavaBridgeMessageFilter> filter =
+      GinJavaBridgeMessageFilter::FromHost(this, false);
+  if (!filter)
+    InstallFilterAndRegisterAllRoutingIds();
+}
+
 GinJavaBoundObject::ObjectID GinJavaBridgeDispatcherHost::AddObject(
     const base::android::JavaRef<jobject>& object,
     const base::android::JavaRef<jclass>& safe_annotation_clazz,