PlzNavigate: Make ServiceWorker work with PlzNavigate.

content/browser/service_worker/service_worker_context_core.cc

Index: content/browser/service_worker/service_worker_context_core.cc
diff --git a/content/browser/service_worker/service_worker_context_core.cc b/content/browser/service_worker/service_worker_context_core.cc
index efb9e6958b336842de9b4180d0c98ddef3b2d6e1..4c21f891e3df7e47ab2fae37d5a68deb7c268763 100644
--- a/content/browser/service_worker/service_worker_context_core.cc
+++ b/content/browser/service_worker/service_worker_context_core.cc
@@ -31,6 +31,7 @@
 #include "url/gurl.h"
 
 namespace content {
+
 namespace {
 
 void SuccessCollectorCallback(const base::Closure& done_closure,
@@ -276,6 +277,32 @@ ServiceWorkerContextCore::GetClientProviderHostIterator(const GURL& origin) {
       providers_.get(), base::Bind(IsSameOriginClientProviderHost, origin)));
 }
 
+// PlzNavigate
+void ServiceWorkerContextCore::AddNavigationProviderHost(
+    ServiceWorkerProviderHost* provider_host) {
+  DCHECK(!ContainsKey(navigation_provider_host_map_,
+                      provider_host->provider_id()));
+  navigation_provider_host_map_[provider_host->provider_id()] = provider_host;
+}
+
+// PlzNavigate
+ServiceWorkerProviderHost* ServiceWorkerContextCore::TakeNavigationProviderHost(
+    int provider_id) {
+  auto iter = navigation_provider_host_map_.find(provider_id);
+  if (iter == navigation_provider_host_map_.end())
+    return nullptr;
+
+  ServiceWorkerProviderHost* provider_host = iter->second;
+  navigation_provider_host_map_.erase(iter);
+  return provider_host;
+}
+
+// PlzNavigate
+void ServiceWorkerContextCore::RemoveNavigationProviderHost(int provider_id) {
+  scoped_ptr<ServiceWorkerProviderHost> provider_host(
+      TakeNavigationProviderHost(provider_id));
+}
+
 void ServiceWorkerContextCore::RegisterProviderHostByClientID(
     const std::string& client_uuid,
     ServiceWorkerProviderHost* provider_host) {