[WebModals] New API for browser-scoped popup management.

chrome/browser/extensions/extension_view_host.h

 // Copyright 2013 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 CHROME_BROWSER_EXTENSIONS_EXTENSION_VIEW_HOST_H_
 #define CHROME_BROWSER_EXTENSIONS_EXTENSION_VIEW_HOST_H_
 
 #include "base/memory/scoped_ptr.h"
+#include "components/web_modal/popup_manager.h"
 #include "components/web_modal/web_contents_modal_dialog_host.h"
 #include "components/web_modal/web_contents_modal_dialog_manager_delegate.h"
 #include "extensions/browser/extension_host.h"
 
 #if defined(TOOLKIT_VIEWS)
 #include "chrome/browser/ui/views/extensions/extension_view_views.h"
 #elif defined(OS_MACOSX)
 #include "chrome/browser/ui/cocoa/extensions/extension_view_mac.h"
 #elif defined(OS_ANDROID)
 #include "chrome/browser/ui/android/extensions/extension_view_android.h"
 #endif
 
 class Browser;
 
 namespace content {
 class SiteInstance;
 class WebContents;
 }
 
 namespace extensions {
 
 // The ExtensionHost for an extension that backs a view in the browser UI. For
 // example, this could be an extension popup, infobar or dialog, but not a
 // background page.
+// TODO(gbillock): See if we can remove WebContentsModalDialogManager here.
 class ExtensionViewHost
     : public ExtensionHost,
       public web_modal::WebContentsModalDialogManagerDelegate,
       public web_modal::WebContentsModalDialogHost {
  public:
   ExtensionViewHost(const Extension* extension,
                     content::SiteInstance* site_instance,
                     const GURL& url,
                     ViewType host_type);
   virtual ~ExtensionViewHost();
@@ skipping 92 matching lines @@
   // Optional view that shows the rendered content in the UI.
   scoped_ptr<PlatformExtensionView> view_;
 
   // The relevant WebContents associated with this ExtensionViewHost, if any.
   content::WebContents* associated_web_contents_;
 
   // Observer to detect when the associated web contents is destroyed.
   class AssociatedWebContentsObserver;
   scoped_ptr<AssociatedWebContentsObserver> associated_web_contents_observer_;
 
+  // Manage popups overlaying the WebContents in this EVH.
+  // TODO(gbillock): should usually not be used -- instead use the parent
+  // window's popup manager. Should only be used when the EVH is created without
+  // a parent window.
+  scoped_ptr<web_modal::PopupManager> popup_manager_;
+
   DISALLOW_COPY_AND_ASSIGN(ExtensionViewHost);
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_VIEW_HOST_H_