Bug 1575092 - add "web COOP+COEP" process type helpers r=asuth

Differential Revision: https://phabricator.services.mozilla.com/D50814

--HG--
extra : moz-landing-system : lando

dom/ipc/ContentParent.cpp

@@ -727,6 +727,11 @@ bool IsWebRemoteType(const nsAString& aContentProcessType) {
                           NS_LITERAL_STRING(DEFAULT_REMOTE_TYPE));
 }
 
+bool IsWebCoopCoepRemoteType(const nsAString& aContentProcessType) {
+  return StringBeginsWith(aContentProcessType,
+                          NS_LITERAL_STRING(WITH_COOP_COEP_REMOTE_TYPE_PREFIX));
+}
+
 /*static*/
 uint32_t ContentParent::GetMaxProcessCount(
     const nsAString& aContentProcessType) {

dom/ipc/ContentParent.h

@@ -1394,6 +1394,8 @@ const nsDependentSubstring RemoteTypePrefix(
 // This is based on isWebRemoteType in E10SUtils.jsm.
 bool IsWebRemoteType(const nsAString& aContentProcessType);
 
+bool IsWebCoopCoepRemoteType(const nsAString& aContentProcessType);
+
 }  // namespace dom
 }  // namespace mozilla