service worker: Add crash keys for OnMessageReceived crash

content/browser/service_worker/embedded_worker_registry.h

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CONTENT_BROWSER_SERVICE_WORKER_EMBEDDED_WORKER_REGISTRY_H_
 #define CONTENT_BROWSER_SERVICE_WORKER_EMBEDDED_WORKER_REGISTRY_H_
 
 #include <map>
 #include <memory>
 #include <set>
@@ skipping 93 matching lines @@
 
   // Returns true if |embedded_worker_id| is managed by this registry.
   bool CanHandle(int embedded_worker_id) const;
 
   MessagePortMessageFilter* MessagePortMessageFilterForProcess(int process_id);
 
  private:
   friend class base::RefCounted<EmbeddedWorkerRegistry>;
   friend class EmbeddedWorkerInstance;
   friend class EmbeddedWorkerInstanceTest;
+  // TODO(falken): For temporary debugging. Remove when https://crbug.com/625040
+  // is fixed.
+  friend class ServiceWorkerDispatcherHost;
   FRIEND_TEST_ALL_PREFIXES(EmbeddedWorkerInstanceTest,
                            RemoveWorkerInSharedProcess);
 
   typedef std::map<int, EmbeddedWorkerInstance*> WorkerInstanceMap;
   typedef std::map<int, IPC::Sender*> ProcessToSenderMap;
   typedef std::map<int, MessagePortMessageFilter*>
       ProcessToMessagePortMessageFilterMap;
 
   EmbeddedWorkerRegistry(
       const base::WeakPtr<ServiceWorkerContextCore>& context,
@@ skipping 22 matching lines @@
 
   int next_embedded_worker_id_;
   const int initial_embedded_worker_id_;
 
   DISALLOW_COPY_AND_ASSIGN(EmbeddedWorkerRegistry);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_SERVICE_WORKER_EMBEDDED_WORKER_REGISTRY_H_