DevTools: Add support for adding folders to DevTools workspace with drag and drop (browser part)

chrome/browser/devtools/devtools_file_helper.cc

 // 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.
 
 #include "chrome/browser/devtools/devtools_file_helper.h"
 
 #include <set>
 #include <vector>
 
 #include "base/bind.h"
@@ skipping 17 matching lines @@
 #include "content/public/browser/download_manager.h"
 #include "content/public/browser/render_process_host.h"
 #include "content/public/browser/render_view_host.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/browser/web_contents_view.h"
 #include "content/public/common/content_client.h"
 #include "content/public/common/url_constants.h"
 #include "grit/generated_resources.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/shell_dialogs/select_file_dialog.h"
+#include "webkit/browser/fileapi/file_system_url.h"
 #include "webkit/browser/fileapi/isolated_context.h"
 #include "webkit/common/fileapi/file_system_util.h"
 
 using base::Bind;
 using base::Callback;
 using content::BrowserContext;
 using content::BrowserThread;
 using content::DownloadManager;
 using content::RenderViewHost;
 using content::WebContents;
@@ skipping 254 matching lines @@
       Bind(&DevToolsFileHelper::InnerAddFileSystem,
            weak_factory_.GetWeakPtr(),
            callback,
            show_info_bar_callback),
       Bind(callback, FileSystem()),
       web_contents_);
   select_file_dialog->Show(ui::SelectFileDialog::SELECT_FOLDER,
                            base::FilePath());
 }
 
+void DevToolsFileHelper::UpgradeDraggedFileSystemPermissions(
+    const std::string& file_system_url,
+    const AddFileSystemCallback& callback,
+    const ShowInfoBarCallback& show_info_bar_callback) {
+  fileapi::FileSystemURL root_url =
+      isolated_context()->CrackURL(GURL(file_system_url));
+  if (!root_url.is_valid() || !root_url.path().empty()) {
+    callback.Run(FileSystem());
+    return;
+  }
+
+  std::vector<fileapi::MountPoints::MountPointInfo> mount_points;
+  isolated_context()->GetDraggedFileInfo(root_url.filesystem_id(),
+                                         &mount_points);
+
+  std::vector<fileapi::MountPoints::MountPointInfo>::const_iterator it =
+      mount_points.begin();
+  for (; it != mount_points.end(); ++it)
+    InnerAddFileSystem(callback, show_info_bar_callback, it->path);
+}
+
 void DevToolsFileHelper::InnerAddFileSystem(
     const AddFileSystemCallback& callback,
     const ShowInfoBarCallback& show_info_bar_callback,
     const base::FilePath& path) {
   std::string file_system_path = path.AsUTF8Unsafe();
 
   const DictionaryValue* file_systems_paths_value =
       profile_->GetPrefs()->GetDictionary(prefs::kDevToolsFileSystemPaths);
   if (file_systems_paths_value->HasKey(file_system_path)) {
     callback.Run(FileSystem());
@@ skipping 70 matching lines @@
   DictionaryValue* file_systems_paths_value = update.Get();
   file_systems_paths_value->RemoveWithoutPathExpansion(file_system_path, NULL);
 }
 
 bool DevToolsFileHelper::IsFileSystemAdded(
     const std::string& file_system_path) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   set<std::string> file_system_paths = GetAddedFileSystemPaths(profile_);
   return file_system_paths.find(file_system_path) != file_system_paths.end();
 }