Plumb file system permission into WebviewGuest.

chrome/browser/guest_view/web_view/web_view_guest.cc

 // 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.
 
 #include "chrome/browser/guest_view/web_view/web_view_guest.h"
 
 #include "base/debug/stack_trace.h"
 #include "base/message_loop/message_loop.h"
 #include "base/strings/stringprintf.h"
 #include "base/strings/utf_string_conversions.h"
@@ skipping 116 matching lines @@
     case WEB_VIEW_PERMISSION_TYPE_JAVASCRIPT_DIALOG:
       return webview::kPermissionTypeDialog;
     case WEB_VIEW_PERMISSION_TYPE_LOAD_PLUGIN:
       return webview::kPermissionTypeLoadPlugin;
     case WEB_VIEW_PERMISSION_TYPE_MEDIA:
       return webview::kPermissionTypeMedia;
     case WEB_VIEW_PERMISSION_TYPE_NEW_WINDOW:
       return webview::kPermissionTypeNewWindow;
     case WEB_VIEW_PERMISSION_TYPE_POINTER_LOCK:
       return webview::kPermissionTypePointerLock;
+    case WEB_VIEW_PERMISSION_TYPE_FILESYSTEM:
+      return webview::kPermissionTypeFileSystem;
     default:
       NOTREACHED();
       return std::string();
   }
 }
 
 void RemoveWebViewEventListenersOnIOThread(
     void* profile,
     const std::string& extension_id,
     int embedder_process_id,
@@ skipping 103 matching lines @@
             UserMetricsAction("WebView.PermissionAllow.Media"));
         break;
       case WEB_VIEW_PERMISSION_TYPE_NEW_WINDOW:
         content::RecordAction(
             UserMetricsAction("BrowserPlugin.PermissionAllow.NewWindow"));
         break;
       case WEB_VIEW_PERMISSION_TYPE_POINTER_LOCK:
         content::RecordAction(
             UserMetricsAction("WebView.PermissionAllow.PointerLock"));
         break;
+      case WEB_VIEW_PERMISSION_TYPE_FILESYSTEM:
+        content::RecordAction(
+            UserMetricsAction("WebView.PermissionAllow.FileSystem"));
       default:
         break;
     }
   } else {
     switch (info.permission_type) {
       case WEB_VIEW_PERMISSION_TYPE_DOWNLOAD:
         content::RecordAction(
             UserMetricsAction("WebView.PermissionDeny.Download"));
         break;
       case WEB_VIEW_PERMISSION_TYPE_GEOLOCATION:
@@ skipping 12 matching lines @@
             UserMetricsAction("WebView.PermissionDeny.Media"));
         break;
       case WEB_VIEW_PERMISSION_TYPE_NEW_WINDOW:
         content::RecordAction(
             UserMetricsAction("BrowserPlugin.PermissionDeny.NewWindow"));
         break;
       case WEB_VIEW_PERMISSION_TYPE_POINTER_LOCK:
         content::RecordAction(
             UserMetricsAction("WebView.PermissionDeny.PointerLock"));
         break;
+      case WEB_VIEW_PERMISSION_TYPE_FILESYSTEM:
+        content::RecordAction(
+            UserMetricsAction("WebView.PermissionDeny.FileSystem"));
+        break;
       default:
         break;
     }
   }
 }
 
 // static
 scoped_ptr<base::ListValue> WebViewGuest::MenuModelToValue(
     const ui::SimpleMenuModel& menu_model) {
   scoped_ptr<base::ListValue> items(new base::ListValue());
@@ skipping 307 matching lines @@
   guest_web_contents()->GetController().GoToOffset(relative_index);
 }
 
 void WebViewGuest::Reload() {
   // TODO(fsamuel): Don't check for repost because we don't want to show
   // Chromium's repost warning. We might want to implement a separate API
   // for registering a callback if a repost is about to happen.
   guest_web_contents()->GetController().Reload(false);
 }
 
+void WebViewGuest::RequestFileSystemPermission(
+    const GURL& url,
+    const base::Callback<void(bool)>& callback) {
+  base::DictionaryValue request_info;
+  request_info.Set(guestview::kUrl, base::Value::CreateStringValue(url.spec()));
+  RequestPermission(
+      WEB_VIEW_PERMISSION_TYPE_FILESYSTEM,
+      request_info,
+      base::Bind(&WebViewGuest::OnWebViewFileSystemPermissionResponse,
+                 base::Unretained(this),
+                 callback),
+      false /* allowed_by_default */);
+}
+
+void WebViewGuest::OnWebViewFileSystemPermissionResponse(
+    const base::Callback<void(bool)>& callback,
+    bool allow,
+    const std::string& user_input) {
+  callback.Run(!allow || !attached());
+}
+
 void WebViewGuest::RequestGeolocationPermission(
     int bridge_id,
     const GURL& requesting_frame,
     bool user_gesture,
     const base::Callback<void(bool)>& callback) {
   base::DictionaryValue request_info;
   request_info.Set(guestview::kUrl,
                    base::Value::CreateStringValue(requesting_frame.spec()));
   request_info.Set(guestview::kUserGesture,
                    base::Value::CreateBooleanValue(user_gesture));
@@ skipping 775 matching lines @@
     bool allow,
     const std::string& user_input) {
   WebViewGuest* guest =
       WebViewGuest::From(embedder_render_process_id(), new_window_instance_id);
   if (!guest)
     return;
 
   if (!allow)
     guest->Destroy();
 }