Revert of Enable 'First-Party-Only' cookies by default.

content/shell/browser/shell_network_delegate.cc

Index: content/shell/browser/shell_network_delegate.cc
diff --git a/content/shell/browser/shell_network_delegate.cc b/content/shell/browser/shell_network_delegate.cc
index 633fb46890556de5cbc03d1e53ce2905c0227625..135bba36d0e302d0a7fc6aaeb3ff57246304acb9 100644
--- a/content/shell/browser/shell_network_delegate.cc
+++ b/content/shell/browser/shell_network_delegate.cc
@@ -4,6 +4,8 @@
 
 #include "content/shell/browser/shell_network_delegate.h"
 
+#include "base/command_line.h"
+#include "content/public/common/content_switches.h"
 #include "net/base/net_errors.h"
 #include "net/base/static_cookie_policy.h"
 #include "net/url_request/url_request.h"
@@ -114,4 +116,9 @@
   return false;
 }
 
+bool ShellNetworkDelegate::OnFirstPartyOnlyCookieExperimentEnabled() const {
+  return base::CommandLine::ForCurrentProcess()->HasSwitch(
+      switches::kEnableExperimentalWebPlatformFeatures);
+}
+
 }  // namespace content