Remove WebContents::Was{Hidden,Shown}() from the content public interface

chrome/browser/ui/browser_tabrestore.cc

Index: chrome/browser/ui/browser_tabrestore.cc
diff --git a/chrome/browser/ui/browser_tabrestore.cc b/chrome/browser/ui/browser_tabrestore.cc
index 1fa8d7e32628c3539e4e4e761a02832b85c5a28b..5bb6d635555fdd9e9ef39c8c4ba0adc79dcd4f16 100644
--- a/chrome/browser/ui/browser_tabrestore.cc
+++ b/chrome/browser/ui/browser_tabrestore.cc
@@ -129,7 +129,11 @@ content::WebContents* AddRestoredTab(
     if (size.IsEmpty())
       size = browser->window()->GetRestoredBounds().size();
     ResizeWebContents(web_contents, size);
-    web_contents->WasHidden();
+
+    // CreateRestoredTab() would have passed the correct |initially_hidden| via
+    // the WebContents::CreateParams, so this line shouldn't be necessary.
+    // TODO(tapted): Delete this line and see what breaks.
+    web_contents->MarkBackgrounded();
   }
   SessionService* session_service =
       SessionServiceFactory::GetForProfileIfExisting(browser->profile());