chromeos: Move src/chrome/browser/chromeos/disks to src/chromeos

chrome/browser/chromeos/extensions/file_browser_private_api.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/chromeos/extensions/file_browser_private_api.h"
 
+#include <sys/statvfs.h>
 #include <utility>
 
 #include "base/base64.h"
 #include "base/bind.h"
 #include "base/json/json_writer.h"
 #include "base/logging.h"
 #include "base/memory/scoped_vector.h"
 #include "base/memory/singleton.h"
 #include "base/string_split.h"
 #include "base/stringprintf.h"
 #include "base/time.h"
 #include "base/values.h"
 #include "chrome/browser/chromeos/cros/cros_library.h"
 #include "chrome/browser/chromeos/cros/network_library.h"
-#include "chrome/browser/chromeos/disks/disk_mount_manager.h"
 #include "chrome/browser/chromeos/extensions/file_handler_util.h"
 #include "chrome/browser/chromeos/extensions/file_manager_util.h"
 #include "chrome/browser/chromeos/gdata/drive.pb.h"
 #include "chrome/browser/chromeos/gdata/drive_service_interface.h"
 #include "chrome/browser/chromeos/gdata/drive_webapps_registry.h"
 #include "chrome/browser/chromeos/gdata/gdata_system_service.h"
 #include "chrome/browser/chromeos/gdata/gdata_util.h"
 #include "chrome/browser/chromeos/gdata/gdata_wapi_parser.h"
 #include "chrome/browser/chromeos/gdata/operation_registry.h"
 #include "chrome/browser/chromeos/system/statistics_provider.h"
 #include "chrome/browser/extensions/extension_function_dispatcher.h"
 #include "chrome/browser/extensions/extension_process_manager.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/extensions/extension_tab_util.h"
 #include "chrome/browser/extensions/process_map.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_window.h"
 #include "chrome/browser/ui/views/select_file_dialog_extension.h"
 #include "chrome/browser/ui/webui/extensions/extension_icon_source.h"
 #include "chrome/common/chrome_version_info.h"
 #include "chrome/common/extensions/extension.h"
 #include "chrome/common/extensions/extension_constants.h"
 #include "chrome/common/extensions/extension_icon_set.h"
 #include "chrome/common/extensions/file_browser_handler.h"
 #include "chrome/common/pref_names.h"
+#include "chromeos/disks/disk_mount_manager.h"
 #include "content/public/browser/child_process_security_policy.h"
 #include "content/public/browser/render_process_host.h"
 #include "content/public/browser/render_view_host.h"
 #include "googleurl/src/gurl.h"
 #include "grit/generated_resources.h"
 #include "grit/platform_locale_settings.h"
 #include "net/base/escape.h"
 #include "ui/base/dialogs/selected_file_info.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "webkit/chromeos/fileapi/cros_mount_point_provider.h"
@@ skipping 188 matching lines @@
   if (icons.empty())
     return result;
   result = icons.rbegin()->second;
   for (InstalledApp::IconList::const_reverse_iterator iter = icons.rbegin();
        iter != icons.rend() && iter->first >= preferred_size; ++iter) {
         result = iter->second;
   }
   return result;
 }
 
+// Retrieves total and remaining available size on |mount_path|.
+void GetSizeStatsOnFileThread(const std::string& mount_path,
+                              size_t* total_size_kb,
+                              size_t* remaining_size_kb) {
+  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE));
+
+  uint64_t total_size_in_bytes = 0;
+  uint64_t remaining_size_in_bytes = 0;
+
+  struct statvfs stat = {};  // Zero-clear
+  if (statvfs(mount_path.c_str(), &stat) == 0) {
+    total_size_in_bytes =
+        static_cast<uint64_t>(stat.f_blocks) * stat.f_frsize;
+    remaining_size_in_bytes =
+        static_cast<uint64_t>(stat.f_bfree) * stat.f_frsize;
+  }
+  *total_size_kb = static_cast<size_t>(total_size_in_bytes / 1024);
+  *remaining_size_kb = static_cast<size_t>(remaining_size_in_bytes / 1024);
+}
+
 }  // namespace
 
 class RequestLocalFileSystemFunction::LocalFileSystemCallbackDispatcher {
  public:
   static fileapi::FileSystemContext::OpenFileSystemCallback CreateCallback(
       RequestLocalFileSystemFunction* function,
       scoped_refptr<fileapi::FileSystemContext> file_system_context,
       int child_id,
       scoped_refptr<const Extension> extension) {
     return base::Bind(
@@ skipping 995 matching lines @@
     SendResponse(false);
   }
 }
 
 void GetSizeStatsFunction::CallGetSizeStatsOnFileThread(
     const std::string& mount_path) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE));
 
   size_t total_size_kb = 0;
   size_t remaining_size_kb = 0;
-  DiskMountManager::GetInstance()->
-      GetSizeStatsOnFileThread(mount_path, &total_size_kb, &remaining_size_kb);
+  GetSizeStatsOnFileThread(mount_path, &total_size_kb, &remaining_size_kb);
 
   BrowserThread::PostTask(
       BrowserThread::UI, FROM_HERE,
       base::Bind(
           &GetSizeStatsFunction::GetSizeStatsCallbackOnUIThread,
           this,
           total_size_kb, remaining_size_kb));
 }
 
 void GetSizeStatsFunction::GetSizeStatsCallbackOnUIThread(
@@ skipping 1137 matching lines @@
   gdata::GDataSystemService* system_service =
       gdata::GDataSystemServiceFactory::GetForProfile(profile_);
   if (!system_service || !system_service->file_system())
     return false;
 
   FilePath directory_path = GetVirtualPathFromURL(GURL(file_url_as_string));
   system_service->file_system()->RequestDirectoryRefresh(directory_path);
 
   return true;
 }