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

ios/chrome/browser/ui/preload_controller_delegate.h

Index: ios/chrome/browser/ui/preload_controller_delegate.h
diff --git a/ios/chrome/browser/ui/preload_controller_delegate.h b/ios/chrome/browser/ui/preload_controller_delegate.h
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+++ b/ios/chrome/browser/ui/preload_controller_delegate.h
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+// 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_PRELOAD_CONTROLLER_DELEGATE_H_
+#define IOS_CHROME_BROWSER_UI_PRELOAD_CONTROLLER_DELEGATE_H_
+
+#import <UIKit/UIKit.h>
+
+@class CRWSessionEntry;
+
+// A protocol implemented by a delegate of PreloadController
+@protocol PreloadControllerDelegate
+
+// Should preload controller request a desktop site.
+- (BOOL)shouldUseDesktopUserAgent;
+// Return the current sessionEntry from the delegate.
+// TODO(crbug.com/546348): See if this can return a NavigationItem instead.
+- (CRWSessionEntry*)currentSessionEntry;
+@end
+
+#endif  // IOS_CHROME_BROWSER_UI_PRELOAD_CONTROLLER_DELEGATE_H_