Use framework style includes in ios/web_view/public.

ios/web_view/internal/BUILD.gn

Index: ios/web_view/internal/BUILD.gn
diff --git a/ios/web_view/internal/BUILD.gn b/ios/web_view/internal/BUILD.gn
deleted file mode 100644
index 5532769d8c7bb475d941721c85bfe6ac929763c2..0000000000000000000000000000000000000000
--- a/ios/web_view/internal/BUILD.gn
+++ /dev/null
@@ -1,71 +0,0 @@
-# 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("internal") {
-  visibility = [
-    "//ios/web_view:*",
-    "//ios/web_view/internal/*",
-  ]
-
-  sources = [
-    "cwv.mm",
-    "cwv_html_element.mm",
-    "cwv_html_element_internal.h",
-    "cwv_navigation_action.mm",
-    "cwv_navigation_action_internal.h",
-    "cwv_user_content_controller.mm",
-    "cwv_user_content_controller_internal.h",
-    "cwv_user_script.mm",
-    "cwv_web_view.mm",
-    "cwv_web_view_configuration.mm",
-    "cwv_web_view_configuration_internal.h",
-    "pref_names.cc",
-    "pref_names.h",
-    "web_view_browser_state.h",
-    "web_view_browser_state.mm",
-    "web_view_early_page_script_provider.h",
-    "web_view_early_page_script_provider.mm",
-    "web_view_java_script_dialog_presenter.h",
-    "web_view_java_script_dialog_presenter.mm",
-    "web_view_network_delegate.cc",
-    "web_view_network_delegate.h",
-    "web_view_url_request_context_getter.h",
-    "web_view_url_request_context_getter.mm",
-    "web_view_web_client.h",
-    "web_view_web_client.mm",
-    "web_view_web_main_delegate.h",
-    "web_view_web_main_delegate.mm",
-    "web_view_web_main_parts.h",
-    "web_view_web_main_parts.mm",
-    "web_view_web_state_policy_decider.h",
-    "web_view_web_state_policy_decider.mm",
-  ]
-
-  # Let header files know that it is building ios/web_view library, not using
-  # it.
-  defines = [ "CWV_IMPLEMENTATION" ]
-
-  deps = [
-    "//base",
-    "//components/pref_registry",
-    "//components/prefs",
-    "//components/translate/core/browser",
-    "//components/translate/core/common",
-    "//ios/net",
-    "//ios/web",
-    "//ios/web:reload_type",
-    "//ios/web:user_agent",
-    "//ios/web/public/app",
-    "//ios/web_view/internal/translate",
-    "//ios/web_view/public",
-    "//net",
-    "//net:extras",
-    "//ui/base",
-    "//url",
-  ]
-
-  allow_circular_includes_from = [ "//ios/web_view/internal/translate" ]
-
-  configs += [ "//build/config/compiler:enable_arc" ]
-}