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

chrome/browser/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/crypto.gni")
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//build/split_static_library.gni")
 import("//chrome/common/features.gni")
@@ skipping 326 matching lines @@
                 "//chrome")
       }
     }
 
     deps += [
       "//cc",
       "//chrome/app/theme:theme_resources",
       "//chrome/browser/devtools",
       "//chrome/browser/metrics/variations:chrome_ui_string_overrider_factory",
       "//chrome/browser/resources:component_extension_resources",
-      "//chrome/common:search_provider_mojom",
       "//chrome/common/net",
       "//chrome/installer/util:with_no_strings",
       "//components/about_handler",
       "//components/app_modal",
       "//components/autofill/content/browser",
       "//components/browsing_data/content",
       "//components/browsing_data/core",
       "//components/contextual_search:browser",
       "//components/data_reduction_proxy/content/browser",
       "//components/data_use_measurement/content",
@@ skipping 1023 matching lines @@
   # linking all of the test support.
   static_library("pepper_cdm_test_constants") {
     testonly = true
     visibility = [ "//chrome/*" ]
     sources = [
       "media/pepper_cdm_test_constants.cc",
       "media/pepper_cdm_test_constants.h",
     ]
   }
 }