Move SearchProvider implementation into Blink and make it a no-op.

chrome/chrome_renderer.gypi

 # 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.
 
 {
   'variables': {
     'chrome_renderer_sources': [
       'renderer/app_categorizer.h',
       'renderer/app_categorizer.cc',
       'renderer/banners/app_banner_client.cc',
       'renderer/banners/app_banner_client.h',
       'renderer/benchmarking_extension.cc',
       'renderer/benchmarking_extension.h',
       'renderer/chrome_content_renderer_client.cc',
       'renderer/chrome_content_renderer_client.h',
       'renderer/chrome_render_frame_observer.cc',
       'renderer/chrome_render_frame_observer.h',
       'renderer/chrome_render_thread_observer.cc',
       'renderer/chrome_render_thread_observer.h',
       'renderer/chrome_render_view_observer.cc',
       'renderer/chrome_render_view_observer.h',
       'renderer/content_settings_observer.cc',
       'renderer/content_settings_observer.h',
       'renderer/custom_menu_commands.h',
-      'renderer/external_extension.cc',
-      'renderer/external_extension.h',
       'renderer/instant_restricted_id_cache.h',
       'renderer/loadtimes_extension_bindings.cc',
       'renderer/loadtimes_extension_bindings.h',
       'renderer/media/chrome_key_systems.cc',
       'renderer/media/chrome_key_systems.h',
       'renderer/net/net_error_helper.cc',
       'renderer/net/net_error_helper.h',
       'renderer/net/net_error_page_controller.cc',
       'renderer/net/net_error_page_controller.h',
       'renderer/net_benchmarking_extension.cc',
@@ skipping 203 matching lines @@
     ],
   },
   'targets': [
     {
       'target_name': 'renderer',
       'type': 'static_library',
       'variables': { 'enable_wexit_time_destructors': 1, },
       'dependencies': [
         'common',
         'common_mojo_bindings',
-        'common_search_provider_mojom',
         'chrome_features.gyp:chrome_common_features',
         'chrome_resources.gyp:chrome_resources',
         'chrome_resources.gyp:chrome_strings',
         '../third_party/re2/re2.gyp:re2',
         '../components/components.gyp:autofill_content_renderer',
         '../components/components.gyp:content_settings_content_common',
         '../components/components.gyp:cdm_renderer',
         '../components/components.gyp:data_reduction_proxy_content_common',
         '../components/components.gyp:data_reduction_proxy_core_common',
         '../components/components.gyp:guest_view_renderer',
@@ skipping 148 matching lines @@
           ],
           'dependencies': [
             '../components/components.gyp:metrics_leak_detector',
             '../components/components.gyp:metrics_mojo_bindings',
           ],
         }],
       ],
     },
   ],
 }