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diff --git a/content/browser/web_contents/web_contents_view_helper.h b/content/browser/web_contents/web_contents_view_helper.h
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+// Copyright (c) 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 CONTENT_BROWSER_WEB_CONTENTS_WEB_CONTENTS_VIEW_HELPER_H_
+#define CONTENT_BROWSER_WEB_CONTENTS_WEB_CONTENTS_VIEW_HELPER_H_
+#pragma once
+
+#include <map>
+
+#include "base/basictypes.h"
+#include "base/compiler_specific.h"
+#include "content/common/content_export.h"
+#include "content/public/browser/notification_observer.h"
+#include "content/public/browser/notification_registrar.h"
+#include "third_party/WebKit/Source/WebKit/chromium/public/WebPopupType.h"
+#include "webkit/glue/window_open_disposition.h"
+
+class WebContentsImpl;
+struct ViewHostMsg_CreateWindow_Params;
+
+namespace content {
+class RenderWidgetHostView;
+class WebContents;
+}
+
+namespace gfx {
+class Rect;
+}
+
+// TODO(avi): Once all the TabContentsViews implementations are in content (I'm
+// looking at you, TabContentsViewViews...) then change the parameters to take
+// WebContentsImpl rather than WebContents.
+
+// Provides helper methods that provide common implementations of some
+// WebContentsView methods.
+class CONTENT_EXPORT WebContentsViewHelper
+    : public content::NotificationObserver {
+ public:
+  WebContentsViewHelper();
+  virtual ~WebContentsViewHelper();
+
+  // Creates a new window; call |ShowCreatedWindow| below to show it.
+  WebContentsImpl* CreateNewWindow(
+      content::WebContents* web_contents,
+      int route_id,
+      const ViewHostMsg_CreateWindow_Params& params);
+
+  // Creates a new popup or fullscreen widget; call |ShowCreatedWidget| below to
+  // show it. If |is_fullscreen| is true it is a fullscreen widget, if not then
+  // a pop-up. |popup_type| is only meaningful for a pop-up.
+  content::RenderWidgetHostView* CreateNewWidget(
+      content::WebContents* web_contents,
+      int route_id,
+      bool is_fullscreen,
+      WebKit::WebPopupType popup_type);
+
+  // Shows a window created with |CreateNewWindow| above.
+  WebContentsImpl* ShowCreatedWindow(content::WebContents* web_contents,
+                                     int route_id,
+                                     WindowOpenDisposition disposition,
+                                     const gfx::Rect& initial_pos,
+                                     bool user_gesture);
+
+  // Shows a widget created with |CreateNewWidget| above. |initial_pos| is only
+  // meaningful for non-fullscreen widgets.
+  content::RenderWidgetHostView* ShowCreatedWidget(
+      content::WebContents* web_contents,
+      int route_id,
+      bool is_fullscreen,
+      const gfx::Rect& initial_pos);
+
+ private:
+  // content::NotificationObserver implementation
+  virtual void Observe(int type,
+                       const content::NotificationSource& source,
+                       const content::NotificationDetails& details) OVERRIDE;
+
+  // Finds the new RenderWidgetHost and returns it. Note that this can only be
+  // called once as this call also removes it from the internal map.
+  content::RenderWidgetHostView* GetCreatedWidget(int route_id);
+
+  // Finds the new WebContentsImpl by route_id, initializes it for
+  // renderer-initiated creation, and returns it. Note that this can only be
+  // called once as this call also removes it from the internal map.
+  WebContentsImpl* GetCreatedWindow(int route_id);
+
+  // Tracks created WebContentsImpl objects that have not been shown yet. They
+  // are identified by the route ID passed to CreateNewWindow.
+  typedef std::map<int, WebContentsImpl*> PendingContents;
+  PendingContents pending_contents_;
+
+  // These maps hold on to the widgets that we created on behalf of the renderer
+  // that haven't shown yet.
+  typedef std::map<int, content::RenderWidgetHostView*> PendingWidgetViews;
+  PendingWidgetViews pending_widget_views_;
+
+  // Registers and unregisters us for notifications.
+  content::NotificationRegistrar registrar_;
+
+  DISALLOW_COPY_AND_ASSIGN(WebContentsViewHelper);
+};
+
+#endif  // CONTENT_BROWSER_WEB_CONTENTS_WEB_CONTENTS_VIEW_HELPER_H_