Move WebDialogWebContentsDelegate to ui/web_dialogs.

chrome/browser/ui/webui/web_dialog_web_contents_delegate.h

-// 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 CHROME_BROWSER_UI_WEBUI_WEB_DIALOG_WEB_CONTENTS_DELEGATE_H_
-#define CHROME_BROWSER_UI_WEBUI_WEB_DIALOG_WEB_CONTENTS_DELEGATE_H_
-
-#include "base/compiler_specific.h"
-#include "content/public/browser/web_contents_delegate.h"
-
-// This class implements (and mostly ignores) most of
-// content::WebContentsDelegate for use in a Web dialog. Subclasses need only
-// override a few methods instead of the everything from
-// content::WebContentsDelegate; this way, implementations on all platforms
-// behave consistently.
-class WebDialogWebContentsDelegate : public content::WebContentsDelegate {
- public:
-  // Handles OpenURLFromTab and AddNewContents for WebDialogWebContentsDelegate.
-  class WebContentsHandler {
-   public:
-    virtual ~WebContentsHandler() {}
-    virtual content::WebContents* OpenURLFromTab(
-        content::BrowserContext* context,
-        content::WebContents* source,
-        const content::OpenURLParams& params) = 0;
-    virtual void AddNewContents(content::BrowserContext* context,
-                                content::WebContents* source,
-                                content::WebContents* new_contents,
-                                WindowOpenDisposition disposition,
-                                const gfx::Rect& initial_pos,
-                                bool user_gesture) = 0;
-  };
-
-  // context and handler must be non-NULL.
-  // Takes the ownership of handler.
-  WebDialogWebContentsDelegate(content::BrowserContext* context,
-                               WebContentsHandler* handler);
-
-  virtual ~WebDialogWebContentsDelegate();
-
-  // The returned browser context is guaranteed to be original if non-NULL.
-  content::BrowserContext* browser_context() const {
-    return browser_context_;
-  }
-
-  // Calling this causes all following events sent from the
-  // WebContents object to be ignored.  It also makes all following
-  // calls to browser_context() return NULL.
-  void Detach();
-
-  // content::WebContentsDelegate declarations.
-  virtual content::WebContents* OpenURLFromTab(
-      content::WebContents* source,
-      const content::OpenURLParams& params) OVERRIDE;
-
-  virtual void AddNewContents(content::WebContents* source,
-                              content::WebContents* new_contents,
-                              WindowOpenDisposition disposition,
-                              const gfx::Rect& initial_pos,
-                              bool user_gesture) OVERRIDE;
-  virtual bool IsPopupOrPanel(
-      const content::WebContents* source) const OVERRIDE;
-  virtual bool ShouldAddNavigationToHistory(
-      const history::HistoryAddPageArgs& add_page_args,
-      content::NavigationType navigation_type) OVERRIDE;
-
- private:
-  // Weak pointer.  Always an original profile.
-  content::BrowserContext* browser_context_;
-
-  scoped_ptr<WebContentsHandler> handler_;
-
-  DISALLOW_COPY_AND_ASSIGN(WebDialogWebContentsDelegate);
-};
-
-#endif  // CHROME_BROWSER_UI_WEBUI_WEB_DIALOG_WEB_CONTENTS_DELEGATE_H_