Allow requesting Automation tree by tabId

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 3318a2579d779538b07d21bef9f9345b403e26b8..e9e6b82bb2f46e56ec3816a66ce015dc5a56a898 100644
--- a/chrome/browser/extensions/api/tabs/tabs_api.cc
+++ b/chrome/browser/extensions/api/tabs/tabs_api.cc
@@ -133,12 +133,14 @@ bool GetTabById(int tab_id,
                 int* tab_index,
                 std::string* error_message) {
   if (ExtensionTabUtil::GetTabById(tab_id, profile, include_incognito,
-                                   browser, tab_strip, contents, tab_index))
+                                   browser, tab_strip, contents, tab_index)) {
     return true;
+  }
 
-  if (error_message)
+  if (error_message) {
     *error_message = ErrorUtils::FormatErrorMessage(
         keys::kTabNotFoundError, base::IntToString(tab_id));
+  }
 
   return false;
 }