Upstream Chrome on iOS source code [6/11].

ios/chrome/browser/ui/open_in_controller.h

+// Copyright 2012 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_OPEN_IN_CONTROLLER_H_
+#define IOS_CHROME_BROWSER_UI_OPEN_IN_CONTROLLER_H_
+
+#import <UIKit/UIKit.h>
+
+#include <memory>
+
+#include "base/mac/scoped_nsobject.h"
+#include "base/memory/ref_counted.h"
+#import "ios/chrome/browser/ui/open_in_toolbar.h"
+#include "url/gurl.h"
+
+namespace net {
+class URLRequestContextGetter;
+}
+
+@class CRWWebController;
+
+// Class used to handle opening files in other applications.
+@interface OpenInController : NSObject<UIGestureRecognizerDelegate,
+                                       UIDocumentInteractionControllerDelegate>
+// Designated initializer.
+- (id)initWithRequestContext:(net::URLRequestContextGetter*)requestContext
+               webController:(CRWWebController*)webController;
+
+// Removes the |openInToolbar_| from the |webController_|'s view and resets the
+// variables specific to the loaded document.
+- (void)disable;
+
+// Disconnects the controller from its CRWWebController. Should be called when
+// the CRWWebController is being torn down.
+- (void)detachFromWebController;
+
+// Adds the |openInToolbar_| to the |webController_|'s view and sets the url and
+// the filename for the currently loaded document.
+- (void)enableWithDocumentURL:(const GURL&)documentURL
+            suggestedFilename:(NSString*)suggestedFilename;
+@end
+
+#endif  // IOS_CHROME_BROWSER_UI_OPEN_IN_CONTROLLER_H_