[Docking] Persists docked state on Chrome OS

components/sessions/session_service_commands.cc

Index: components/sessions/session_service_commands.cc
diff --git a/components/sessions/session_service_commands.cc b/components/sessions/session_service_commands.cc
index 3b5f8a14ca5fc93bbdc46a9e2f1ab401270e6a25..eca2b4d718186d97d38fa77917213f3cb6cd34ac 100644
--- a/components/sessions/session_service_commands.cc
+++ b/components/sessions/session_service_commands.cc
@@ -99,7 +99,8 @@ enum PersistedWindowShowState {
   // SHOW_STATE_INACTIVE (4) never persisted.
   PERSISTED_SHOW_STATE_FULLSCREEN = 5,
   PERSISTED_SHOW_STATE_DETACHED_DEPRECATED = 6,
-  PERSISTED_SHOW_STATE_END = 6
+  PERSISTED_SHOW_STATE_DOCKED = 7,
+  PERSISTED_SHOW_STATE_END = 7
 };
 
 typedef std::map<SessionID::id_type, SessionTab*> IdToSessionTab;
@@ -123,6 +124,8 @@ PersistedWindowShowState ShowStateToPersistedShowState(
       return PERSISTED_SHOW_STATE_MAXIMIZED;
     case ui::SHOW_STATE_FULLSCREEN:
       return PERSISTED_SHOW_STATE_FULLSCREEN;
+    case ui::SHOW_STATE_DOCKED:
+      return PERSISTED_SHOW_STATE_DOCKED;
 
     case ui::SHOW_STATE_DEFAULT:
     case ui::SHOW_STATE_INACTIVE:
@@ -146,6 +149,8 @@ ui::WindowShowState PersistedShowStateToShowState(int state) {
       return ui::SHOW_STATE_MAXIMIZED;
     case PERSISTED_SHOW_STATE_FULLSCREEN:
       return ui::SHOW_STATE_FULLSCREEN;
+    case PERSISTED_SHOW_STATE_DOCKED:
+      return ui::SHOW_STATE_DOCKED;
     case PERSISTED_SHOW_STATE_DETACHED_DEPRECATED:
       return ui::SHOW_STATE_NORMAL;
   }