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diff --git a/chrome/browser/cocoa/infobar_container_controller.h b/chrome/browser/cocoa/infobar_container_controller.h
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+++ b/chrome/browser/cocoa/infobar_container_controller.h
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+// Copyright (c) 2009 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.
+
+#import <Cocoa/Cocoa.h>
+
+#include "base/scoped_nsobject.h"
+#include "base/scoped_ptr.h"
+#include "chrome/common/notification_registrar.h"
+
+@class BrowserWindowController;
+class InfoBarDelegate;
+class InfoBarNotificationObserver;
+class TabContents;
+class TabStripModel;
+class TabStripModelObserverBridge;
+
+// Controller for the infobar container view, which is the superview
+// of all the infobar views.  This class owns zero or more
+// InfoBarControllers, which manage the infobar views.  This class
+// also receives tab strip model notifications and handles
+// adding/removing infobars when needed.
+@interface InfoBarContainerController : NSViewController {
+ @private
+  // Needed to send infoBarResized: messages when infobars are added or removed.
+  BrowserWindowController* browserController_;  // weak, owns us.
+
+  // The TabContents we are currently showing infobars for.
+  TabContents* currentTabContents_;  // weak
+
+  // Holds the InfoBarControllers currently owned by this container.
+  scoped_nsobject<NSMutableArray> infobarControllers_;
+
+  // Lets us get TabChanged/TabDetachedAt notifications.
+  scoped_ptr<TabStripModelObserverBridge> tabObserver_;
+
+  // Lets us registers for INFOBAR_ADDED/INFOBAR_REMOVED
+  // notifications.  The actual notifications are sent to the
+  // InfoBarNotificationObserver object, which proxies them back to us.
+  NotificationRegistrar registrar_;
+  scoped_ptr<InfoBarNotificationObserver> infoBarObserver_;
+}
+
+- (id)initWithTabStripModel:(TabStripModel*)model
+    browserWindowController:(BrowserWindowController*)controller;
+
+// Informs the selected TabContents that the infobars for the given
+// |delegate| need to be removed.  Does not remove any infobar views
+// directly, as they will be removed when handling the subsequent
+// INFOBAR_REMOVED notification.  Does not notify |delegate| that the
+// infobar was closed.
+- (void)removeDelegate:(InfoBarDelegate*)delegate;
+
+@end
+
+
+@interface InfoBarContainerController (ForTheObserverAndTesting)
+
+// Adds an infobar view for the given delegate.  Callers must call
+// positionInfoBarsAndRedraw after calling this method.
+- (void)addInfoBar:(InfoBarDelegate*)delegate;
+
+// Removes all the infobar views for a given delegate.  Callers must
+// call positionInfoBarsAndRedraw after calling this method.
+- (void)removeInfoBarsForDelegate:(InfoBarDelegate*)delegate;
+
+// Positions the infobar views in the container view and notifies
+// |browser_controller_| that it needs to resize the container view.
+- (void)positionInfoBarsAndRedraw;
+
+@end
+
+
+@interface InfoBarContainerController (JustForTesting)
+
+// Removes all infobar views.  Callers must call
+// positionInfoBarsAndRedraw() after calling this method.
+- (void)removeAllInfoBars;
+
+@end