Added flag simplified-fullscreen-ui.

chrome/common/chrome_switches.cc

Index: chrome/common/chrome_switches.cc
diff --git a/chrome/common/chrome_switches.cc b/chrome/common/chrome_switches.cc
index 9e2406ecd96f1741cb32adbe50b0a8fda001cc31..9d6b92a7744a11913b087bc39cddfc5b98a84483 100644
--- a/chrome/common/chrome_switches.cc
+++ b/chrome/common/chrome_switches.cc
@@ -532,6 +532,12 @@ const char kEnableSessionCrashedBubble[] = "enable-session-crashed-bubble";
 const char kEnableSettingsWindow[]           = "enable-settings-window";
 const char kDisableSettingsWindow[]          = "disable-settings-window";
 
+// A new user experience for transitioning into fullscreen and mouse pointer
+// lock states.
+const char kEnableSimplifiedFullscreenUI[]  = "enable-simplified-fullscreen-ui";
+const char kDisableSimplifiedFullscreenUI[] =
+    "disable-simplified-fullscreen-ui";
+
 // Enable the Site Engagement service, which records interaction with sites and
 // allocates certain resources accordingly.
 const char kEnableSiteEngagementService[]   = "enable-site-engagement-service";