Revert of Move core web_view code to extensions.

extensions/browser/guest_view/web_view/web_view_permission_helper.h

Index: extensions/browser/guest_view/web_view/web_view_permission_helper.h
diff --git a/extensions/browser/guest_view/web_view/web_view_permission_helper.h b/extensions/browser/guest_view/web_view/web_view_permission_helper.h
deleted file mode 100644
index 161d550e464713d858c01024a9446b09f1b64cb5..0000000000000000000000000000000000000000
--- a/extensions/browser/guest_view/web_view/web_view_permission_helper.h
+++ /dev/null
@@ -1,161 +0,0 @@
-// Copyright 2014 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 EXTENSIONS_BROWSER_GUEST_VIEW_WEB_VIEW_WEB_VIEW_PERMISSION_HELPER_H_
-#define EXTENSIONS_BROWSER_GUEST_VIEW_WEB_VIEW_WEB_VIEW_PERMISSION_HELPER_H_
-
-#include "base/memory/weak_ptr.h"
-#include "base/metrics/user_metrics_action.h"
-#include "content/public/browser/web_contents.h"
-#include "content/public/browser/web_contents_observer.h"
-#include "content/public/common/media_stream_request.h"
-#include "extensions/browser/guest_view/guest_view_constants.h"
-#include "extensions/browser/guest_view/web_view/web_view_permission_types.h"
-
-using base::UserMetricsAction;
-
-namespace extensions {
-
-class WebViewGuest;
-class WebViewPermissionHelperDelegate;
-
-// WebViewPermissionHelper manages <webview> permission requests. This helper
-// class is owned by WebViewGuest. Its purpose is to request permission for
-// various operations from the <webview> embedder, and reply back via callbacks
-// to the callers on a response from the embedder.
-class WebViewPermissionHelper
-      : public content::WebContentsObserver {
- public:
-  explicit WebViewPermissionHelper(WebViewGuest* guest);
-  virtual ~WebViewPermissionHelper();
-  typedef base::Callback<
-      void(bool /* allow */, const std::string& /* user_input */)>
-      PermissionResponseCallback;
-
-  // A map to store the callback for a request keyed by the request's id.
-  struct PermissionResponseInfo {
-    PermissionResponseCallback callback;
-    WebViewPermissionType permission_type;
-    bool allowed_by_default;
-    PermissionResponseInfo();
-    PermissionResponseInfo(const PermissionResponseCallback& callback,
-                           WebViewPermissionType permission_type,
-                           bool allowed_by_default);
-    ~PermissionResponseInfo();
-  };
-
-  typedef std::map<int, PermissionResponseInfo> RequestMap;
-
-  int RequestPermission(WebViewPermissionType permission_type,
-                        const base::DictionaryValue& request_info,
-                        const PermissionResponseCallback& callback,
-                        bool allowed_by_default);
-
-  static WebViewPermissionHelper* FromWebContents(
-      content::WebContents* web_contents);
-  static WebViewPermissionHelper* FromFrameID(int render_process_id,
-                                              int render_frame_id);
-  void RequestMediaAccessPermission(
-      content::WebContents* source,
-      const content::MediaStreamRequest& request,
-      const content::MediaResponseCallback& callback);
-  void CanDownload(content::RenderViewHost* render_view_host,
-                   const GURL& url,
-                   const std::string& request_method,
-                   const base::Callback<void(bool)>& callback);
-  void RequestPointerLockPermission(bool user_gesture,
-                                    bool last_unlocked_by_target,
-                                    const base::Callback<void(bool)>& callback);
-
-  // Requests Geolocation Permission from the embedder.
-  void RequestGeolocationPermission(int bridge_id,
-                                    const GURL& requesting_frame,
-                                    bool user_gesture,
-                                    const base::Callback<void(bool)>& callback);
-  void CancelGeolocationPermissionRequest(int bridge_id);
-
-  void RequestFileSystemPermission(const GURL& url,
-                                   bool allowed_by_default,
-                                   const base::Callback<void(bool)>& callback);
-
-  // Called when file system access is requested by the guest content using the
-  // asynchronous HTML5 file system API. The request is plumbed through the
-  // <webview> permission request API. The request will be:
-  // - Allowed if the embedder explicitly allowed it.
-  // - Denied if the embedder explicitly denied.
-  // - Determined by the guest's content settings if the embedder does not
-  // perform an explicit action.
-  // If access was blocked due to the page's content settings,
-  // |blocked_by_policy| should be true, and this function should invoke
-  // OnContentBlocked.
-  void FileSystemAccessedAsync(int render_process_id,
-                               int render_frame_id,
-                               int request_id,
-                               const GURL& url,
-                               bool blocked_by_policy);
-
-  // Called when file system access is requested by the guest content using the
-  // synchronous HTML5 file system API in a worker thread or shared worker. The
-  // request is plumbed through the <webview> permission request API. The
-  // request will be:
-  // - Allowed if the embedder explicitly allowed it.
-  // - Denied if the embedder explicitly denied.
-  // - Determined by the guest's content settings if the embedder does not
-  // perform an explicit action.
-  // If access was blocked due to the page's content settings,
-  // |blocked_by_policy| should be true, and this function should invoke
-  // OnContentBlocked.
-  void FileSystemAccessedSync(int render_process_id,
-                              int render_frame_id,
-                              const GURL& url,
-                              bool blocked_by_policy,
-                              IPC::Message* reply_msg);
-
-  enum PermissionResponseAction { DENY, ALLOW, DEFAULT };
-
-  enum SetPermissionResult {
-    SET_PERMISSION_INVALID,
-    SET_PERMISSION_ALLOWED,
-    SET_PERMISSION_DENIED
-  };
-
-  // Responds to the permission request |request_id| with |action| and
-  // |user_input|. Returns whether there was a pending request for the provided
-  // |request_id|.
-  SetPermissionResult SetPermission(int request_id,
-                                    PermissionResponseAction action,
-                                    const std::string& user_input);
-
-  void CancelPendingPermissionRequest(int request_id);
-
-  WebViewGuest* web_view_guest() { return web_view_guest_; }
-
- private:
-#if defined(ENABLE_PLUGINS)
-  // content::WebContentsObserver implementation.
-  virtual bool OnMessageReceived(
-      const IPC::Message& message,
-      content::RenderFrameHost* render_frame_host) OVERRIDE;
-  virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
-#endif  // defined(ENABLE_PLUGINS)
-
-  // A counter to generate a unique request id for a permission request.
-  // We only need the ids to be unique for a given WebViewGuest.
-  int next_permission_request_id_;
-
-  WebViewPermissionHelper::RequestMap pending_permission_requests_;
-
-  scoped_ptr<WebViewPermissionHelperDelegate>
-      web_view_permission_helper_delegate_;
-
-  WebViewGuest* const web_view_guest_;
-
-  base::WeakPtrFactory<WebViewPermissionHelper> weak_factory_;
-
-  DISALLOW_COPY_AND_ASSIGN(WebViewPermissionHelper);
-};
-
-}  // namespace extensions
-
-#endif  // EXTENSIONS_BROWSER_GUEST_VIEW_WEB_VIEW_WEB_VIEW_PERMISSION_HELPER_H_