ServiceWorker: adding a crash key to check if a new process is launched

content/browser/service_worker/service_worker_dispatcher_host.cc

 // 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.
 
 #include "content/browser/service_worker/service_worker_dispatcher_host.h"
 
 #include <utility>
 
 #include "base/debug/crash_logging.h"
 #include "base/logging.h"
@@ skipping 18 matching lines @@
 #include "content/browser/service_worker/service_worker_registration_handle.h"
 #include "content/common/service_worker/embedded_worker_messages.h"
 #include "content/common/service_worker/service_worker_event_dispatcher.mojom.h"
 #include "content/common/service_worker/service_worker_messages.h"
 #include "content/common/service_worker/service_worker_types.h"
 #include "content/common/service_worker/service_worker_utils.h"
 #include "content/public/browser/content_browser_client.h"
 #include "content/public/browser/render_frame_host.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/common/browser_side_navigation_policy.h"
+#include "content/public/common/child_process_host.h"
 #include "content/public/common/content_client.h"
 #include "content/public/common/origin_util.h"
 #include "ipc/ipc_message_macros.h"
 #include "net/http/http_util.h"
 #include "third_party/WebKit/public/platform/modules/serviceworker/WebServiceWorkerError.h"
 #include "url/gurl.h"
 
 using blink::WebServiceWorkerError;
 
 namespace content {
@@ skipping 1031 matching lines @@
 
   // A process for the worker must be equal to a process for the provider host.
   if (version->embedded_worker()->process_id() != provider_host->process_id()) {
     // Temporary debugging for https://crbug.com/668633
     base::debug::ScopedCrashKey scope_worker_pid(
         "swdh_set_hosted_version_worker_pid",
         base::IntToString(version->embedded_worker()->process_id()));
     base::debug::ScopedCrashKey scope_provider_host_pid(
         "swdh_set_hosted_version_host_pid",
         base::IntToString(provider_host->process_id()));
+    if (version->embedded_worker()->process_id() !=
+        ChildProcessHost::kInvalidUniqueID) {
+      base::debug::ScopedCrashKey scope_is_new_process(
+          "swdh_set_hosted_version_is_new_process",
+          version->embedded_worker()->is_new_process() ? "true" : "false");
+    }
+    base::debug::ScopedCrashKey scope_worker_restart_count(
+        "swdh_set_hosted_version_restart_count",
+        base::IntToString(version->embedded_worker()->restart_count()));
     bad_message::ReceivedBadMessage(
         this, bad_message::SWDH_SET_HOSTED_VERSION_PROCESS_MISMATCH);
     return;
   }
 
   provider_host->SetHostedVersion(version);
 
   // Retrieve the registration associated with |version|. The registration
   // must be alive because the version keeps it during starting worker.
   ServiceWorkerRegistration* registration =
@@ skipping 654 matching lines @@
   if (!handle) {
     bad_message::ReceivedBadMessage(this,
                                     bad_message::SWDH_TERMINATE_BAD_HANDLE);
     return;
   }
   handle->version()->StopWorker(
       base::Bind(&ServiceWorkerUtils::NoOpStatusCallback));
 }
 
 }  // namespace content