Move implementation of QuotaManager.getVolumeInfo to base::SysInfo.

base/sys_info_win.cc

 // Copyright 2015 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 "base/sys_info.h"
 
 #include <windows.h>
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 38 matching lines @@
   return AmountOfMemory(&MEMORYSTATUSEX::ullAvailPhys);
 }
 
 // static
 int64_t SysInfo::AmountOfVirtualMemory() {
   return AmountOfMemory(&MEMORYSTATUSEX::ullTotalVirtual);
 }
 
 // static
 int64_t SysInfo::AmountOfFreeDiskSpace(const FilePath& path) {
+  int64_t available, unused;
+  if (!GetDiskSpaceInfo(path, &available, &unused))
+    return -1;
+  return available;
+}
+
+// static
+bool SysInfo::GetDiskSpaceInfo(const FilePath& path,
+                               int64_t* available_bytes,
+                               int64_t* total_bytes) {
   ThreadRestrictions::AssertIOAllowed();
 
   ULARGE_INTEGER available, total, free;
   if (!GetDiskFreeSpaceExW(path.value().c_str(), &available, &total, &free))
-    return -1;
+    return false;
 
-  int64_t rv = static_cast<int64_t>(available.QuadPart);
-  return rv < 0 ? std::numeric_limits<int64_t>::max() : rv;
+  *available_bytes = static_cast<int64_t>(available.QuadPart);
+  if (*available_bytes < 0)
+    *available_bytes = std::numeric_limits<int64_t>::max();
+  *total_bytes = static_cast<int64_t>(total.QuadPart);
+  if (*total_bytes < 0)
+    *total_bytes = std::numeric_limits<int64_t>::max();
+  return true;
 }
 
 std::string SysInfo::OperatingSystemName() {
   return "Windows NT";
 }
 
 // static
 std::string SysInfo::OperatingSystemVersion() {
   win::OSInfo* os_info = win::OSInfo::GetInstance();
   win::OSInfo::VersionNumber version_number = os_info->version_number();
@@ skipping 43 matching lines @@
 void SysInfo::OperatingSystemVersionNumbers(int32_t* major_version,
                                             int32_t* minor_version,
                                             int32_t* bugfix_version) {
   win::OSInfo* os_info = win::OSInfo::GetInstance();
   *major_version = os_info->version_number().major;
   *minor_version = os_info->version_number().minor;
   *bugfix_version = 0;
 }
 
 }  // namespace base