Split //ios/chrome/browser in multiple targets.

ios/public/provider/chrome/browser/BUILD.gn

 # Copyright 2015 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/buildflag_header.gni")
 import("//ios/public/provider/chrome/browser/build_config.gni")
 
 source_set("browser") {
   sources = [
     "chrome_browser_provider.h",
@@ skipping 33 matching lines @@
 
   deps = [
     "//base",
     "//components/autofill/core/browser",
     "//components/favicon_base",
     "//components/metrics",
     "//components/sync_sessions",
     "//ios/public/provider/web",
     "//ios/web",
   ]
+
+  libs = [
+    "CoreGraphics.framework",
+    "CoreLocation.framework",
+  ]
 }
 
 buildflag_header("provider_flags") {
   header = "provider_flags.h"
   flags = [ "USE_IOS_INTERNAL_PROVIDER=$use_ios_internal_provider" ]
 }
 
 source_set("test_support") {
   testonly = true
 
@@ skipping 15 matching lines @@
   ]
 
   deps = [
     ":browser",
     "//base",
     "//components/signin/ios/browser:test_support",
     "//testing/gmock",
     "//testing/gtest",
   ]
 }