ChromeOS: Implement CaptivePortalAuthenticationIgnoresProxy policy.

chrome/common/pref_names.cc

Index: chrome/common/pref_names.cc
diff --git a/chrome/common/pref_names.cc b/chrome/common/pref_names.cc
index 46cc10ae791a72e49fff875d8bf20e2705413c79..e49fdc356f75cc687bf50e2d3d0da47a4db89d83 100644
--- a/chrome/common/pref_names.cc
+++ b/chrome/common/pref_names.cc
@@ -806,6 +806,12 @@ const char kTouchVirtualKeyboardEnabled[] = "ui.touch_virtual_keyboard_enabled";
 // A boolean pref that controls whether wake on SSID is enabled.
 const char kWakeOnWifiSsid[] = "settings.internet.wake_on_wifi_ssid";
 
+// This is the policy CaptivePortalAuthenticationIgnoresProxy that allows to
+// open captive portal authentication pages in a separate window under
+// a temporary incognito profile ("signin profile" is used for this purpose),
+// which allows to bypass the user's proxy for captive portal authentication.
+const char kCaptivePortalAuthenticationIgnoresProxy[] =
+    "proxy.captive_portal_ignores_proxy";
 #endif  // defined(OS_CHROMEOS)
 
 // The disabled messages in IPC logging.