[iOS] Upstream chrome commands

ios/chrome/browser/ui/url_loader.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_URL_LOADER_H_
+#define IOS_CHROME_BROWSER_UI_URL_LOADER_H_
+
+#import <UIKit/UIKit.h>
+
+#include "base/strings/string16.h"
+#include "ui/base/page_transition_types.h"
+
+class GURL;
+
+namespace sessions {
+struct SessionTab;
+}
+
+namespace web {
+struct Referrer;
+}
+
+// Describes the intended position for a new tab.
+enum OpenPosition {
+  kCurrentTab,  // Relative to currently selected tab.
+  kLastTab      // Always at end of tab model.
+};
+
+@protocol UrlLoader<NSObject>
+
+// Load a new url.
+- (void)loadURL:(const GURL&)url
+             referrer:(const web::Referrer&)referrer
+           transition:(ui::PageTransition)transition
+    rendererInitiated:(BOOL)rendererInitiated;
+
+// Load a new URL on a new page/tab. The |referrer| and |windowName| are
+// optional. The tab will be placed in the model according to |appendTo|.
+- (void)webPageOrderedOpen:(const GURL&)url
+                  referrer:(const web::Referrer&)referrer
+                windowName:(NSString*)windowName
+              inBackground:(BOOL)inBackground
+                  appendTo:(OpenPosition)appendTo;
+
+// Load a new URL on a new page/tab. The |referrer| and |windowName| are
+// optional. The tab will be placed in the model according to |appendTo|.
+- (void)webPageOrderedOpen:(const GURL&)url
+                  referrer:(const web::Referrer&)referrer
+                windowName:(NSString*)windowName
+               inIncognito:(BOOL)inIncognito
+              inBackground:(BOOL)inBackground
+                  appendTo:(OpenPosition)appendTo;
+
+// Load a tab with the given session.
+- (void)loadSessionTab:(const sessions::SessionTab*)sessionTab;
+
+// Loads the text entered in the location bar as javascript.
+- (void)loadJavaScriptFromLocationBar:(NSString*)script;
+
+@end
+
+#endif  // IOS_CHROME_BROWSER_UI_URL_LOADER_H_