Fix deps in all BUILD.gn files in ios.

ios/chrome/browser/ui/icons/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("icons") {
   sources = [
     "chrome_icon.h",
     "chrome_icon.mm",
   ]
   deps = [
+    ":assets",
     "//base",
     "//ios/chrome/app/strings",
-    "//ios/chrome/browser/ui/icons:assets",
     "//ui/base",
   ]
   libs = [
     "CoreGraphics.framework",
     "UIKit.framework",
   ]
 }
 
 source_set("unit_tests") {
   testonly = true
@@ skipping 30 matching lines @@
     "resources/Icons.xcassets/ic_info.imageset/ic_info_3x.png",
     "resources/Icons.xcassets/ic_search.imageset/Contents.json",
     "resources/Icons.xcassets/ic_search.imageset/ic_search.png",
     "resources/Icons.xcassets/ic_search.imageset/ic_search_2x.png",
     "resources/Icons.xcassets/ic_search.imageset/ic_search_3x.png",
   ]
   outputs = [
     "{{bundle_resources_dir}}/{{source_file_part}}",
   ]
 }