Creates coordinators for displaying alerts

ios/chrome/browser/ui/alert_coordinator/action_sheet_coordinator.h

Index: ios/chrome/browser/ui/alert_coordinator/action_sheet_coordinator.h
diff --git a/ios/chrome/browser/ui/context_menu/context_menu_coordinator.h b/ios/chrome/browser/ui/alert_coordinator/action_sheet_coordinator.h
similarity index 60%
copy from ios/chrome/browser/ui/context_menu/context_menu_coordinator.h
copy to ios/chrome/browser/ui/alert_coordinator/action_sheet_coordinator.h
index 7f1daf20e5afd82a7204b251b44d251bb8773779..907d2e83f7af251fe4d13ca39a63c84976ae8eee 100644
--- a/ios/chrome/browser/ui/context_menu/context_menu_coordinator.h
+++ b/ios/chrome/browser/ui/alert_coordinator/action_sheet_coordinator.h
@@ -7,7 +7,7 @@
 
 #import <UIKit/UIKit.h>
 
-#include "base/ios/block_types.h"
+#import "ios/chrome/browser/ui/alert_coordinator/alert_controller_coordinator.h"
 
 namespace web {
 struct ContextMenuParams;
@@ -15,25 +15,16 @@ struct ContextMenuParams;
 
 // Abstracts displaying context menus for all device form factors. Will show a
 // sheet on the phone and use a popover on a tablet.
-@interface ContextMenuCoordinator : NSObject

[lpromero, 2016/07/06 09:03:58]

Add a TODO in this controller that it is deprecated and clients should use
ActionSheetCoordinator.

[gambard, 2016/07/07 08:57:42]

Done.

-
-// Whether the context menu is visible. This will be true after |-start| is
-// called until a subsequent |-stop|.
-@property(nonatomic, readonly, getter=isVisible) BOOL visible;
+@interface ActionSheetCoordinator : AlertControllerCoordinator
 
 // Initializes with details provided in |params|. Context menu will be presented
 // from |viewController|.
 - (instancetype)initWithViewController:(UIViewController*)viewController
                                 params:(const web::ContextMenuParams&)params;
 
-// Adds an item at the end of the menu if |visible| is false.
-- (void)addItemWithTitle:(NSString*)title action:(ProceduralBlock)action;
-
-// Displays the context menu.
-- (void)start;
-// Dismisses the context menu. Any menu items which have been added will be
-// cleared after this call.
-- (void)stop;
+// ContextMenuParams are mandatory.
+- (instancetype)initWithBaseViewController:(UIViewController*)viewController
+    NS_UNAVAILABLE;
 
 @end