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

base/sys_info_win.cc

Index: base/sys_info_win.cc
diff --git a/base/sys_info_win.cc b/base/sys_info_win.cc
index d2c7bcddc148d1693946fbb26086f676f85b1423..9f5d86d347c1b5d0aa20272af299a7338c30f340 100644
--- a/base/sys_info_win.cc
+++ b/base/sys_info_win.cc
@@ -66,6 +66,21 @@ int64_t SysInfo::AmountOfFreeDiskSpace(const FilePath& path) {
   return rv < 0 ? std::numeric_limits<int64_t>::max() : rv;

[Dan Beam, 2016/06/09 17:20:13]

what about this logic?

[fukino, 2016/06/10 01:33:36]

Added the logic inside GetDiskSpaceInfo to cover the case when the
|available.QuadPart| is bigger than INT64_MAX.

 }
 
+// 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 false;
+
+  *available_bytes = static_cast<int64_t>(available.QuadPart);
+  *total_bytes = static_cast<int64_t>(total.QuadPart);
+  return true;
+}
+
 std::string SysInfo::OperatingSystemName() {
   return "Windows NT";
 }