Top document isolation mode prototype

content/public/common/content_switches.cc

Index: content/public/common/content_switches.cc
diff --git a/content/public/common/content_switches.cc b/content/public/common/content_switches.cc
index dd4298b62cc145445dfbfb6d07c6e5bdc8ab5d5a..57674f03e044a9701a5e9c85a35966ab061cdd4d 100644
--- a/content/public/common/content_switches.cc
+++ b/content/public/common/content_switches.cc
@@ -779,6 +779,9 @@ const char kSingleProcess[]                 = "single-process";
 // process consolidation, not isolation). You probably want this one.
 const char kSitePerProcess[]                = "site-per-process";
 
+// Groups all out-of-process iframes to a doghouse process.
+const char kDogHouseProcess[]               = "doghouse-process";
+
 // Skip gpu info collection, blacklist loading, and blacklist auto-update
 // scheduling at browser startup time.
 // Therefore, all GPU features are available, and about:gpu page shows empty