Move WebUIFactory to chrome/browser.

content/browser/webui/content_web_ui_client.h

+// Copyright (c) 2011 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_WEBUI_CONTENT_WEB_UI_CLIENT_H_
+#define CONTENT_BROWSER_WEBUI_CONTENT_WEB_UI_CLIENT_H_
+#pragma once
+
+#include "content/browser/webui/web_ui.h"
+
+class Profile;
+class TabContents;
+class GURL;
+
+namespace content {
+
+// Interface for an object which controls which URLs are considered WebUI URLs
+// and creates WebUI instances for given URLs.
+class ContentWebUIClient {
+ public:
+  // Returns a WebUI instance for the given URL, or NULL if the URL doesn't
+  // correspond to a WebUI.
+  virtual WebUI* CreateWebUIForURL(TabContents* source,
+                                   const GURL& url) const = 0;
+
+  // Gets the WebUI type for the given URL. This will return kNoWebUI if the
+  // corresponding call to CreateWebUIForURL would fail, or something non-NULL
+  // if CreateWebUIForURL would succeed.
+  virtual WebUI::WebUITypeID GetWebUIType(Profile* profile,
+                                          const GURL& url) const = 0;
+
+  // Shorthand for the above, but returns a simple yes/no.
+  virtual bool UseWebUIForURL(Profile* profile, const GURL& url) const = 0;
+
+  // Returns true if the url has a scheme for WebUI. This differs from the above
+  // in that it only checks the scheme; it is faster and can be used to
+  // determine security policy.
+  virtual bool HasWebUIScheme(const GURL& url) const = 0;
+
+  // Returns true if the given URL can be loaded by Web UI system. This allows
+  // URLs with WebUI types (as above) and also URLs that can be loaded by
+  // normal tabs such as javascript: URLs or about:hang.
+  virtual bool IsURLAcceptableForWebUI(Profile* profile,
+                                       const GURL& url) const = 0;
+
+  virtual ~ContentWebUIClient() {}
+};
+
+}  // content
+
+#endif  // CONTENT_BROWSER_WEBUI_CONTENT_WEB_UI_CLIENT_H_