Moves HistoryIndexRestoreObserver to components/omnibox/browser.

chrome/test/BUILD.gn

 # 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.
 
 import("//build/config/chrome_build.gni")
 import("//build/config/compiler/compiler.gni")
 import("//build/config/crypto.gni")
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//chrome/chrome_tests.gni")
@@ skipping 24 matching lines @@
     "base/chrome_test_launcher.cc",
     "base/chrome_test_launcher.h",
     "base/chrome_test_suite.cc",
     "base/chrome_test_suite.h",
     "base/chrome_unit_test_suite.cc",
     "base/chrome_unit_test_suite.h",
     "base/dialog_test_browser_window.cc",
     "base/dialog_test_browser_window.h",
     "base/find_in_page_observer.cc",
     "base/find_in_page_observer.h",
-    "base/history_index_restore_observer.cc",
-    "base/history_index_restore_observer.h",
     "base/scoped_browser_locale.cc",
     "base/scoped_browser_locale.h",
     "base/scoped_bundle_swizzler_mac.h",
     "base/scoped_bundle_swizzler_mac.mm",
     "base/scoped_testing_local_state.cc",
     "base/scoped_testing_local_state.h",
     "base/search_test_utils.cc",
     "base/search_test_utils.h",
     "base/test_browser_window.cc",
     "base/test_browser_window.h",
@@ skipping 2166 matching lines @@
 if (is_android) {
   android_library("unit_tests_java") {
     DEPRECATED_java_in_dir = "//chrome/test/android/unit_tests_apk/src"
     deps = [
       "//base:base_java",
       "//chrome/android:chrome_java",
       "//content/public/android:content_java",
     ]
   }
 }