Revert external protocol handler user gesture fix on M36

chrome/browser/prerender/prerender_browsertest.cc

 // Copyright (c) 2012 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 <deque>
 #include <vector>
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/files/file_path.h"
@@ skipping 969 matching lines @@
   // ExternalProtocolHandler::Delegate implementation.
   virtual ShellIntegration::DefaultProtocolClientWorker* CreateShellWorker(
       ShellIntegration::DefaultWebClientObserver* observer,
       const std::string& protocol) OVERRIDE {
     NOTREACHED();
     // This will crash, but it shouldn't get this far with BlockState::BLOCK
     // anyway.
     return NULL;
   }
   virtual ExternalProtocolHandler::BlockState GetBlockState(
-      const std::string& scheme,
-      bool initiated_by_user_gesture) OVERRIDE {
+      const std::string& scheme) OVERRIDE {
     // Block everything and fail the test.
     ADD_FAILURE();
     return ExternalProtocolHandler::BLOCK;
   }
   virtual void BlockRequest() OVERRIDE { }
   virtual void RunExternalProtocolDialog(const GURL& url,
                                          int render_process_host_id,
                                          int routing_id) OVERRIDE {
     NOTREACHED();
   }
@@ skipping 3260 matching lines @@
 
   // Navigate to the URL entered.
   omnibox_view->model()->AcceptInput(CURRENT_TAB, false);
 
   // Prerender should be running, but abandoned.
   EXPECT_TRUE(
       GetAutocompleteActionPredictor()->IsPrerenderAbandonedForTesting());
 }
 
 }  // namespace prerender