Update Java Bridge to use its own thread in the browser process

content/browser/renderer_host/java/java_bridge_channel_host.h

Index: content/browser/renderer_host/java/java_bridge_channel_host.h
diff --git a/content/browser/renderer_host/java/java_bridge_channel_host.h b/content/browser/renderer_host/java/java_bridge_channel_host.h
index f8948464b2ee7eaa5a78763738c5646f38d577f5..02075913f2a1d0e5bab629ac41f2682ed047ba88 100644
--- a/content/browser/renderer_host/java/java_bridge_channel_host.h
+++ b/content/browser/renderer_host/java/java_bridge_channel_host.h
@@ -15,8 +15,8 @@ class JavaBridgeChannelHost : public NPChannelBase {
       base::MessageLoopProxy* ipc_message_loop);
 
   // A threadsafe function to generate a unique route ID. Used by the
-  // JavaBridgeDispatcherHost on the UI thread and this class on the WEBKIT
-  // thread.
+  // JavaBridgeDispatcherHost on the UI thread and this class on the Java
+  // Bridge's background thread.
   static int ThreadsafeGenerateRouteID();
 
   // NPChannelBase implementation: