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

ios/clean/chrome/browser/ui/find_in_page/find_in_page_consumer.h

Index: ios/clean/chrome/browser/ui/find_in_page/find_in_page_consumer.h
diff --git a/ios/clean/chrome/browser/ui/find_in_page/find_in_page_consumer.h b/ios/clean/chrome/browser/ui/find_in_page/find_in_page_consumer.h
new file mode 100644
index 0000000000000000000000000000000000000000..bc32e116953dde829cbad10d9434a11d367ad140
--- /dev/null
+++ b/ios/clean/chrome/browser/ui/find_in_page/find_in_page_consumer.h
@@ -0,0 +1,14 @@
+// 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.
+
+#ifndef IOS_CLEAN_CHROME_BROWSER_UI_FIND_IN_PAGE_FIND_IN_PAGE_CONSUMER_H_
+#define IOS_CLEAN_CHROME_BROWSER_UI_FIND_IN_PAGE_FIND_IN_PAGE_CONSUMER_H_
+
+@protocol FindInPageConsumer
+
+- (void)setCurrentMatch:(NSUInteger)current ofTotalMatches:(NSUInteger)total;
+
+@end
+
+#endif  // IOS_CLEAN_CHROME_BROWSER_UI_FIND_IN_PAGE_FIND_IN_PAGE_CONSUMER_H_