createWindow api call.

chrome/browser/tab_contents/tab_contents_delegate.h

 // Copyright (c) 2006-2008 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_TAB_CONTENTS_TAB_CONTENTS_DELEGATE_H_
 #define CHROME_BROWSER_TAB_CONTENTS_TAB_CONTENTS_DELEGATE_H_
 
 #include "base/basictypes.h"
 #include "base/gfx/rect.h"
 #include "chrome/common/page_transition_types.h"
 #include "webkit/glue/window_open_disposition.h"
 
+class ExtensionFunctionDispatcher;
+class RenderViewHost;
 class TabContents;
 class HtmlDialogUIDelegate;
 class GURL;
 
 // Objects implement this interface to get notified about changes in the
 // TabContents and to provide necessary functionality.
 class TabContentsDelegate {
  public:
   // Opens a new URL inside the passed in TabContents (if source is 0 open
   // in the current front-most tab), unless |disposition| indicates the url
@@ skipping 119 matching lines @@
   // Sets focus to the location bar or some other place that is appropriate.
   // This is called when the tab wants to encourage user input, like for the
   // new tab page.
   virtual void SetFocusToLocationBar() {}
 
   // Called when a popup select is about to be displayed. The delegate can use
   // this to disable inactive rendering for the frame in the window the select
   // is opened within if necessary.
   virtual void RenderWidgetShowing() {}
 
+  // This is used when the contents is an extension that needs to route
+  // api calls through to the Browser process.
+  virtual ExtensionFunctionDispatcher *CreateExtensionFunctionDispatcher(
+      RenderViewHost* render_view_host,
+      const std::string& extension_id) {
+    return NULL;
+  }
+
   // This is called when webkit tells us that it is done tabbing through
   // controls on the page. Provides a way for TabContentsDelegates to handle
   // this. Returns true if the delegate successfully handled it.
   virtual bool TakeFocus(bool reverse) {
     return false;
   }
 
  protected:
   ~TabContentsDelegate() {}
 
 };
 
 #endif  // CHROME_BROWSER_TAB_CONTENTS_TAB_CONTENTS_DELEGATE_H_