Fix deps in all BUILD.gn files in ios.

ios/chrome/browser/device_sharing/BUILD.gn

 # Copyright 2016 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.
 
 source_set("device_sharing") {
   configs += [ "//build/config/compiler:enable_arc" ]
   sources = [
     "device_sharing_manager.h",
     "device_sharing_manager.mm",
   ]
@@ skipping 25 matching lines @@
     "//url",
   ]
 }
 
 source_set("eg_tests") {
   testonly = true
   sources = [
     "handoff_manager_egtest.mm",
   ]
   deps = [
+    ":device_sharing",
     "//components/handoff",
-    "//ios/chrome/browser/device_sharing",
     "//ios/chrome/browser/ui",
     "//ios/chrome/test/app:test_support",
     "//ios/chrome/test/earl_grey:test_support",
     "//ios/third_party/earl_grey",
     "//ios/web:test_support",
     "//net",
     "//url",
   ]
   libs = [ "XCTest.framework" ]
 }