Remove docked windows entirely in M59.

chrome/browser/extensions/api/tabs/tabs_api.cc

Index: chrome/browser/extensions/api/tabs/tabs_api.cc
diff --git a/chrome/browser/extensions/api/tabs/tabs_api.cc b/chrome/browser/extensions/api/tabs/tabs_api.cc
index d20aa05375795737ea042cc6fdd18131eb6ba6db..c8d2f2849126323e8fab1b380b743574afbd59f7 100644
--- a/chrome/browser/extensions/api/tabs/tabs_api.cc
+++ b/chrome/browser/extensions/api/tabs/tabs_api.cc
@@ -202,7 +202,6 @@ void AssignOptionalValue(const std::unique_ptr<T>& source,
 ui::WindowShowState ConvertToWindowShowState(windows::WindowState state) {
   switch (state) {
     case windows::WINDOW_STATE_NORMAL:
-    case windows::WINDOW_STATE_DOCKED:
       return ui::SHOW_STATE_NORMAL;
     case windows::WINDOW_STATE_MINIMIZED:
       return ui::SHOW_STATE_MINIMIZED;
@@ -237,7 +236,6 @@ bool IsValidStateForWindowsCreateFunction(
       return !(create_data->focused && !*create_data->focused) && !has_bound &&
              !is_panel;
     case windows::WINDOW_STATE_NORMAL:
-    case windows::WINDOW_STATE_DOCKED:
     case windows::WINDOW_STATE_NONE:
       return true;
   }