Add support for Mac/iOS application bundles to GN tool.

ios/web/shell/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/config/ios/rules.gni")
 
 ios_app("ios_web_shell") {
   info_plist = "Info.plist"
   app_name = "ios_web_shell"
   entitlements_path = ""
   code_signing_identity = ""
 
   sources = [
     "web_exe_main.mm",
   ]
 
   deps = [
-    ":ios_web_shell_lib",
+    ":shell",
   ]
 
   ldflags = [
     "-Xlinker",
     "-objc_abi_version",
     "-Xlinker",
     "2",
   ]
 
   # TODO(crbug.com/546283): once gn supports bundle resources, add support for
@@ skipping 41 matching lines @@
     "//build/config/sanitizers:deps",
   ]
 
   libs = [
     "CoreGraphics.framework",
     "CoreFoundation.framework",
     "Foundation.framework",
     "UIKit.framework",
   ]
 }