Revert of Fix the handling of user gestures for external protocol handler dialogs.

chrome/browser/autocomplete/chrome_autocomplete_scheme_classifier.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/autocomplete/chrome_autocomplete_scheme_classifier.h"
 
 #include "base/strings/string_util.h"
 #include "chrome/browser/custom_handlers/protocol_handler_registry_factory.h"
 #include "chrome/browser/external_protocol/external_protocol_handler.h"
 #include "chrome/browser/profiles/profile_io_data.h"
@@ skipping 27 matching lines @@
   if (registry && registry->IsHandledProtocol(scheme))
     return metrics::OmniboxInputType::URL;
 
   // Not an internal protocol; check if it's an external protocol, i.e. one
   // that's registered on the user's OS and will shell out to another program.
   //
   // We need to do this after the checks above because some internally
   // handlable schemes (e.g. "javascript") may be treated as "blocked" by the
   // external protocol handler because we don't want pages to open them, but
   // users still can.
-  //
-  // Note that the protocol handler needs to be informed that omnibox input
-  // should always be considered "user gesture-triggered", lest it always
-  // return BLOCK.
   const ExternalProtocolHandler::BlockState block_state =
-      ExternalProtocolHandler::GetBlockState(scheme, true);
+      ExternalProtocolHandler::GetBlockState(scheme);
   switch (block_state) {
     case ExternalProtocolHandler::DONT_BLOCK:
       return metrics::OmniboxInputType::URL;
 
     case ExternalProtocolHandler::BLOCK:
       // If we don't want the user to open the URL, don't let it be navigated
       // to at all.
       return metrics::OmniboxInputType::QUERY;
 
     default:
       return metrics::OmniboxInputType::INVALID;
   }
 }