Disable AutoImport: experiment and histogram for analysis.

chrome/utility/importer/ie_importer_win.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 "chrome/utility/importer/ie_importer_win.h"
 
 #include <ole2.h>
 #include <intshcut.h>
 #include <shlobj.h>
 #include <stddef.h>
@@ skipping 542 matching lines @@
       } else {
         // dwFlags should only contain the STATURLFLAG_ISTOPLEVEL bit per
         // the filter set above.
         DCHECK(!stat_url.dwFlags);
         row.hidden = true;
       }
 
       rows.push_back(row);
     }
 
-    if (!rows.empty() && !cancelled()) {
+    if (!cancelled()) {

[sky, 2016/08/30 20:34:37]

no {}

       bridge_->SetHistoryItems(rows, importer::VISIT_SOURCE_IE_IMPORTED);
     }
   }
 }
 
 void IEImporter::ImportPasswordsIE6() {
   GUID AutocompleteGUID = kPStoreAutocompleteGUID;
   if (!source_path_.empty()) {
     // We supply a fake GUID for testting.
     AutocompleteGUID = kUnittestGUID;
@@ skipping 337 matching lines @@
   static int version = -1;
   if (version < 0) {
     wchar_t buffer[128];
     DWORD buffer_length = sizeof(buffer);
     base::win::RegKey reg_key(HKEY_LOCAL_MACHINE, kIEVersionKey, KEY_READ);
     LONG result = reg_key.ReadValue(L"Version", buffer, &buffer_length, NULL);
     version = ((result == ERROR_SUCCESS)? _wtoi(buffer) : 0);
   }
   return version;
 }