Add ContentSuggestionsMediator

ios/chrome/browser/content_suggestions/content_suggestions_data_holder.h

Index: ios/chrome/browser/content_suggestions/content_suggestions_data_holder.h
diff --git a/ios/chrome/browser/content_suggestions/content_suggestions_data_holder.h b/ios/chrome/browser/content_suggestions/content_suggestions_data_holder.h
new file mode 100644
index 0000000000000000000000000000000000000000..af67eee89f72c711c0041a2e448f8210b2424345
--- /dev/null
+++ b/ios/chrome/browser/content_suggestions/content_suggestions_data_holder.h
@@ -0,0 +1,21 @@
+// 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_CHROME_BROWSER_CONTENT_SUGGESTIONS_CONTENT_SUGGESTIONS_DATA_HOLDER_H_
+#define IOS_CHROME_BROWSER_CONTENT_SUGGESTIONS_CONTENT_SUGGESTIONS_DATA_HOLDER_H_
+
+#import <UIKit/UIKit.h>
+
+#import "ios/chrome/browser/ui/content_suggestions/content_suggestions_data.h"
+
+// Data holder for a suggestions item, compatible with objective-c.
+@interface ContentSuggestionsDataHolder : NSObject<ContentSuggestionsData>
+
+// Redifined to be readwrite
+@property(nonatomic, readwrite, copy) NSString* title;
+@property(nonatomic, readwrite, strong) UIImage* image;
+
+@end
+
+#endif  // IOS_CHROME_BROWSER_CONTENT_SUGGESTIONS_CONTENT_SUGGESTIONS_DATA_HOLDER_H_