Add ContentSuggestionsMediator

ios/chrome/browser/ui/content_suggestions/content_suggestion.mm

Index: ios/chrome/browser/ui/content_suggestions/content_suggestion.mm
diff --git a/ios/chrome/browser/ui/content_suggestions/content_suggestion.mm b/ios/chrome/browser/ui/content_suggestions/content_suggestion.mm
new file mode 100644
index 0000000000000000000000000000000000000000..0d25178ed478f608d6eb5eeff0d74e51e6db7aad
--- /dev/null
+++ b/ios/chrome/browser/ui/content_suggestions/content_suggestion.mm
@@ -0,0 +1,16 @@
+// 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.
+
+#import "ios/chrome/browser/ui/content_suggestions/content_suggestion.h"
+
+#if !defined(__has_feature) || !__has_feature(objc_arc)
+#error "This file requires ARC support."
+#endif
+
+@implementation ContentSuggestion
+
+@synthesize title = _title;
+@synthesize image = _image;
+
+@end