Moves some functions in search.h to components.

components/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.
 
 # Collection of all components. You wouldn't link to this, but this is rather
 # to reference the files so they can be compiled by the build system.
 group("all_components") {
   visibility = "//:*"  # Only for the root targets to bring in.
 
   deps = [
@@ skipping 20 matching lines @@
     "//components/language_usage_metrics",
     "//components/metrics",
     "//components/navigation_metrics",
     "//components/onc",
     "//components/os_crypt",
     "//components/policy",
     "//components/pref_registry",
     "//components/query_parser",
     "//components/rappor",
     "//components/resources:components_resources",
+    "//components/search",
     "//components/startup_metric_utils",
     "//components/strings",
     "//components/tracing",
     "//components/translate/content/browser",
     "//components/translate/content/common",
     "//components/translate/content/renderer",
     "//components/translate/core/browser",
     "//components/translate/core/common",
     "//components/url_fixer",
     "//components/url_matcher",
@@ skipping 50 matching lines @@
       "//components/web_modal",  # Blocked on content.
     ]
   }
 
   if (!is_ios && !is_android) {
     deps += [
       "//components/storage_monitor",
     ]
   }
 }