Use framework style includes in ios/web_view/public.

ios/web_view/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.
 
 import("//build/config/ios/ios_sdk.gni")
 import("//build/config/ios/rules.gni")
 import("//tools/grit/repack.gni")
 
 config("config") {
-  include_dirs = [
-    "internal",
-    "public",
+  defines = [ "CWV_IMPLEMENTATION" ]
+  libs = [
+    "CoreGraphics.framework",
+    "Foundation.framework",
+    "MobileCoreServices.framework",
+    "UIKit.framework",
   ]
 }
 
 ios_framework_bundle("web_view") {
   output_name = "ChromeWebView"
   info_plist = "Info.plist"
 
-  sources = [
-    "public/cwv.h",
-    "public/cwv_export.h",
-  ]
-
   public_headers = [
     "public/ChromeWebView.h",
     "public/cwv.h",
     "public/cwv_delegate.h",
     "public/cwv_export.h",
     "public/cwv_html_element.h",
     "public/cwv_navigation_action.h",
     "public/cwv_navigation_delegate.h",
     "public/cwv_translate_delegate.h",
     "public/cwv_translate_manager.h",
     "public/cwv_ui_delegate.h",
     "public/cwv_user_content_controller.h",
     "public/cwv_user_script.h",
     "public/cwv_web_view.h",
     "public/cwv_web_view_configuration.h",
   ]
 
+  public = [
+    "public/ChromeWebView.h",
+  ]
+
+  sources = [
+    "internal/cwv.mm",
+    "internal/cwv_html_element.mm",
+    "internal/cwv_html_element_internal.h",
+    "internal/cwv_navigation_action.mm",
+    "internal/cwv_navigation_action_internal.h",
+    "internal/cwv_user_content_controller.mm",
+    "internal/cwv_user_content_controller_internal.h",
+    "internal/cwv_user_script.mm",
+    "internal/cwv_web_view.mm",
+    "internal/cwv_web_view_configuration.mm",
+    "internal/cwv_web_view_configuration_internal.h",
+    "internal/pref_names.cc",
+    "internal/pref_names.h",
+    "internal/translate/cwv_translate_manager_impl.h",
+    "internal/translate/cwv_translate_manager_impl.mm",
+    "internal/translate/web_view_translate_accept_languages_factory.cc",
+    "internal/translate/web_view_translate_accept_languages_factory.h",
+    "internal/translate/web_view_translate_client.h",
+    "internal/translate/web_view_translate_client.mm",
+    "internal/web_view_browser_state.h",
+    "internal/web_view_browser_state.mm",
+    "internal/web_view_early_page_script_provider.h",
+    "internal/web_view_early_page_script_provider.mm",
+    "internal/web_view_java_script_dialog_presenter.h",
+    "internal/web_view_java_script_dialog_presenter.mm",
+    "internal/web_view_network_delegate.cc",
+    "internal/web_view_network_delegate.h",
+    "internal/web_view_url_request_context_getter.h",
+    "internal/web_view_url_request_context_getter.mm",
+    "internal/web_view_web_client.h",
+    "internal/web_view_web_client.mm",
+    "internal/web_view_web_main_delegate.h",
+    "internal/web_view_web_main_delegate.mm",
+    "internal/web_view_web_main_parts.h",
+    "internal/web_view_web_main_parts.mm",
+    "internal/web_view_web_state_policy_decider.h",
+    "internal/web_view_web_state_policy_decider.mm",
+  ]
+
+  sources += public_headers
+
   deps = [
     ":packed_resources",
     "//base",
     "//components/infobars/core",
+    "//components/infobars/core",
     "//components/keyed_service/core",
     "//components/keyed_service/ios",
     "//components/pref_registry",
     "//components/prefs",
     "//components/translate/core/browser",
     "//components/translate/core/common",
     "//components/translate/ios/browser",
     "//ios/net",
+    "//ios/net",
     "//ios/web",
+    "//ios/web:reload_type",
+    "//ios/web:user_agent",
     "//ios/web:user_agent",
     "//ios/web/public/app",
-    "//ios/web_view/internal",
     "//net",
     "//net:extras",
     "//ui/base",
     "//url",
+    "//url",
   ]
 
-  public_deps = [
-    "//ios/web_view/public",
+  configs += [
+    "//build/config/compiler:enable_arc",
+    ":config",
   ]
-
-  libs = [ "UIKit.framework" ]
-
-  public_configs = [ ":config" ]
-
-  configs += [ "//build/config/compiler:enable_arc" ]
 }
 
 repack("repack_resources") {
   visibility = [ ":packed_resources" ]
   deps = [
     "//components/resources:components_resources",
     "//ios/web:resources",
   ]
   sources = [
     "$root_gen_dir/components/components_resources.pak",
     "$root_gen_dir/ios/web/ios_web_resources.pak",
   ]
   output = "$target_gen_dir/web_view_resources.pak"
 }
 
 bundle_data("packed_resources") {
   visibility = [ "//ios/web_view:*" ]
   public_deps = [
     ":repack_resources",
   ]
   sources = [
     "$target_gen_dir/web_view_resources.pak",
   ]
   outputs = [
     "{{bundle_resources_dir}}/{{source_file_part}}",
   ]
 }