[iOS Clean] Created OverlayService.

ios/clean/chrome/browser/ui/commands/tab_grid_commands.h

Index: ios/clean/chrome/browser/ui/commands/tab_grid_commands.h
diff --git a/ios/clean/chrome/browser/ui/commands/tab_grid_commands.h b/ios/clean/chrome/browser/ui/commands/tab_grid_commands.h
index d9351f59647770fd061320d0f8e9fe82e8f900c0..e800a1a19157b68ff5a770eba62a522abc2e207b 100644
--- a/ios/clean/chrome/browser/ui/commands/tab_grid_commands.h
+++ b/ios/clean/chrome/browser/ui/commands/tab_grid_commands.h
@@ -5,6 +5,10 @@
 #ifndef IOS_CLEAN_CHROME_BROWSER_UI_COMMANDS_TAB_GRID_COMMANDS_H_
 #define IOS_CLEAN_CHROME_BROWSER_UI_COMMANDS_TAB_GRID_COMMANDS_H_
 
+namespace web {
+class WebState;
+}
+
 // Commands relating to tab grid UI.
 @protocol TabGridCommands
 // Display the tab grid.
@@ -15,6 +19,8 @@
 - (void)closeTabGridTabAtIndex:(int)index;
 // Create new tab and display it.
 - (void)createAndShowNewTabInTabGrid;
+// Shows the tab that is displaying |webState|'s content.
+- (void)showTabGridTabWithWebState:(const web::WebState*)webState;
 @end
 
 #endif  // IOS_CLEAN_CHROME_BROWSER_UI_COMMANDS_TAB_GRID_COMMANDS_H_