Introduce worker_devtools_agent_route_id for EmbeddedWorker.

content/browser/service_worker/embedded_worker_registry.h

Index: content/browser/service_worker/embedded_worker_registry.h
diff --git a/content/browser/service_worker/embedded_worker_registry.h b/content/browser/service_worker/embedded_worker_registry.h
index 8350f82712156ee6bbb473257041756930bf43d7..0821704579bf8d77bbda6040119d789f5d15d7ce 100644
--- a/content/browser/service_worker/embedded_worker_registry.h
+++ b/content/browser/service_worker/embedded_worker_registry.h
@@ -9,6 +9,7 @@
 #include <set>
 
 #include "base/basictypes.h"
+#include "base/callback.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
@@ -50,7 +51,8 @@ class CONTENT_EXPORT EmbeddedWorkerRegistry
                                       int embedded_worker_id,
                                       int64 service_worker_version_id,
                                       const GURL& scope,
-                                      const GURL& script_url);
+                                      const GURL& script_url,
+                                      int* worker_route_id);
   ServiceWorkerStatusCode StopWorker(int process_id,
                                      int embedded_worker_id);
 
@@ -74,6 +76,11 @@ class CONTENT_EXPORT EmbeddedWorkerRegistry
   void AddChildProcessSender(int process_id, IPC::Sender* sender);
   void RemoveChildProcessSender(int process_id);
 
+  void AddChildProcessNextRoutingIDCallback(
+      int process_id,
+      const base::Callback<int(void)>& callback);
+  void RemoveChildProcessNextRoutingIDCallback(int process_id);
+
   // Returns an embedded worker instance for given |embedded_worker_id|.
   EmbeddedWorkerInstance* GetWorker(int embedded_worker_id);
 
@@ -83,6 +90,8 @@ class CONTENT_EXPORT EmbeddedWorkerRegistry
 
   typedef std::map<int, EmbeddedWorkerInstance*> WorkerInstanceMap;
   typedef std::map<int, IPC::Sender*> ProcessToSenderMap;
+  typedef std::map<int, const base::Callback<int(void)> >
+      ProcessToNextRoutingIDCallbackMap;
 
   ~EmbeddedWorkerRegistry();
   ServiceWorkerStatusCode Send(int process_id, IPC::Message* message);
@@ -95,6 +104,7 @@ class CONTENT_EXPORT EmbeddedWorkerRegistry
 
   WorkerInstanceMap worker_map_;
   ProcessToSenderMap process_sender_map_;
+  ProcessToNextRoutingIDCallbackMap process_next_id_callback_map_;
 
   // Map from process_id to embedded_worker_id.
   // This map only contains running workers.