[ios] Adds support for Find in Page to the new architecture.

ios/clean/chrome/browser/ui/find_in_page/BUILD.gn

Index: ios/clean/chrome/browser/ui/find_in_page/BUILD.gn
diff --git a/ios/clean/chrome/browser/ui/find_in_page/BUILD.gn b/ios/clean/chrome/browser/ui/find_in_page/BUILD.gn
new file mode 100644
index 0000000000000000000000000000000000000000..ca99134298f646b5d9397712534daaf1b4e16e86
--- /dev/null
+++ b/ios/clean/chrome/browser/ui/find_in_page/BUILD.gn
@@ -0,0 +1,49 @@
+# Copyright 2017 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("find_in_page") {
+  sources = [
+    "find_in_page_coordinator.h",
+    "find_in_page_coordinator.mm",
+    "find_in_page_mediator.h",
+    "find_in_page_mediator.mm",
+  ]
+
+  configs += [ "//build/config/compiler:enable_arc" ]
+
+  deps = [
+    ":find_in_page_ui",
+    "//base",
+    "//ios/chrome/browser/find_in_page",
+    "//ios/clean/chrome/browser",
+    "//ios/clean/chrome/browser/model",
+    "//ios/clean/chrome/browser/ui/actions",
+    "//ios/clean/chrome/browser/ui/animators",
+    "//ios/clean/chrome/browser/ui/commands",
+    "//ios/shared/chrome/browser/coordinator_context",
+    "//ios/shared/chrome/browser/tabs",
+    "//ios/web",
+  ]
+}
+
+source_set("find_in_page_ui") {

[lpromero, 2017/03/14 17:17:56]

Can you follow up and integrate this in Showcase?

+  sources = [
+    "find_in_page_consumer.h",
+    "find_in_page_view_controller.h",
+    "find_in_page_view_controller.mm",
+  ]
+  deps = [
+    "//base",
+    "//components/strings",
+    "//ios/chrome/browser/ui/find_bar",
+    "//ios/clean/chrome/browser/ui",
+    "//ios/clean/chrome/browser/ui/actions",
+    "//ios/clean/chrome/browser/ui/animators",
+    "//ios/clean/chrome/browser/ui/commands",
+    "//ios/clean/chrome/browser/ui/presenters",
+    "//ui/base",
+  ]
+  libs = [ "UIKit.framework" ]
+  configs += [ "//build/config/compiler:enable_arc" ]
+}