PlzNavigate: Add parameters to navigation structures for ServiceWorker.

content/browser/service_worker/service_worker_provider_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_provider_host.h"
 
+#include "base/atomic_sequence_num.h"
+#include "base/command_line.h"
 #include "base/guid.h"
 #include "base/stl_util.h"
 #include "base/time/time.h"
 #include "content/browser/frame_host/frame_tree.h"
 #include "content/browser/frame_host/frame_tree_node.h"
 #include "content/browser/frame_host/render_frame_host_impl.h"
 #include "content/browser/message_port_message_filter.h"
 #include "content/browser/service_worker/service_worker_context_core.h"
 #include "content/browser/service_worker/service_worker_context_request_handler.h"
 #include "content/browser/service_worker/service_worker_controllee_request_handler.h"
@@ skipping 35 matching lines @@
 
   // Move the web contents to the foreground.
   web_contents->Activate();
 
   return ServiceWorkerProviderHost::GetWindowClientInfoOnUI(render_process_id,
                                                             render_frame_id);
 }
 
 }  // anonymous namespace
 
+// PlzNavigate
+int ServiceWorkerProviderHost::kVirtualProcessIDForBrowserRequest = -2;
+
+// PlzNavigate
+int ServiceWorkerProviderHost::GetNextBrowserProviderID() {
+  static base::StaticAtomicSequenceNumber sequence;

[clamy, 2015/09/15 16:42:31]

The usage over the codebase is to declare a global g_sequence_number in an
anonymous namespace instead of using a static variable in a function.

[Fabrice (no longer in Chrome), 2015/10/06 12:08:09]

Acknowledged.

+  return -2 - sequence.GetNext();  // Start at -2
+}
+
 ServiceWorkerProviderHost::OneShotGetReadyCallback::OneShotGetReadyCallback(
     const GetRegistrationForReadyCallback& callback)
     : callback(callback),
       called(false) {
 }
 
 ServiceWorkerProviderHost::OneShotGetReadyCallback::~OneShotGetReadyCallback() {
 }
 
 ServiceWorkerProviderHost::ServiceWorkerProviderHost(
@@ skipping 606 matching lines @@
   return context_ != NULL;
 }
 
 void ServiceWorkerProviderHost::Send(IPC::Message* message) const {
   DCHECK(dispatcher_host_);
   DCHECK(IsReadyToSendMessages());
   dispatcher_host_->Send(message);
 }
 
 }  // namespace content