Add ContextMenuCoordinator.

ios/chrome/browser/ui/context_menu/context_menu_wrangler.h

+// 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.
+
+#ifndef IOS_CHROME_BROWSER_UI_CONTEXT_MENU_CONTEXT_MENU_WRANGLER_H_
+#define IOS_CHROME_BROWSER_UI_CONTEXT_MENU_CONTEXT_MENU_WRANGLER_H_
+
+#include "base/ios/block_types.h"
+#import "ios/chrome/browser/ui/context_menu/context_menu_controller.h"
+
+namespace web {
+struct ContextMenuParams;
+}
+
+// Abstracts displaying context menus for all device form factors, given a
+// ContextMenuHolder with the title and action to associate to each menu

[Eugene But (OOO till 7-30), 2016/05/12 22:27:48]

Please update comments, it does not use take ContextMenuHolder

[michaeldo, 2016/05/12 23:32:43]

Done.

+// item. Will show a sheet on the phone and use a popover on a tablet.
+@interface ContextMenuWrangler : ContextMenuController

[Eugene But (OOO till 7-30), 2016/05/12 22:27:48]

Probably there is no need for subclassing.

[michaeldo, 2016/05/12 23:32:43]

Done.

+
+// Initialize with details provided in |params|.

[Eugene But (OOO till 7-30), 2016/05/12 22:27:48]

s/Initialize/Initializes

[michaeldo, 2016/05/12 23:32:43]

Done.

+- (instancetype)initWithContextMenuParams:(const web::ContextMenuParams&)params;
+// Adds an item at the end of the menu.
+- (void)appendItemWithTitle:(NSString*)title action:(ProceduralBlock)action;

[Eugene But (OOO till 7-30), 2016/05/12 22:27:48]

s/append/add ? which is a common add action in Objective-C libraries.

[michaeldo, 2016/05/12 23:32:43]

I think you're right. Add seems better. Append is primarily used with strings.

+// Displays the context menu.
+- (void)present;
+
+// Dismisses displayed context menu.
+- (void)dismissAnimated:(BOOL)animated
+      completionHandler:(ProceduralBlock)completionHandler;
+
+@end
+
+#endif  // IOS_CHROME_BROWSER_UI_CONTEXT_MENU_CONTEXT_MENU_WRANGLER_H_