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

base/sys_info_unittest.cc

Index: base/sys_info_unittest.cc
diff --git a/base/sys_info_unittest.cc b/base/sys_info_unittest.cc
index 3f284ba86840b802dc4171aedfd3b089a0b90fcc..63a125f1c143357f56d61bc689dcf744d5baa3b3 100644
--- a/base/sys_info_unittest.cc
+++ b/base/sys_info_unittest.cc
@@ -40,10 +40,21 @@ TEST_F(SysInfoTest, AmountOfFreeDiskSpace) {
   // We aren't actually testing that it's correct, just that it's sane.
   FilePath tmp_path;
   ASSERT_TRUE(base::GetTempDir(&tmp_path));
-  EXPECT_GT(base::SysInfo::AmountOfFreeDiskSpace(tmp_path), 0)
+  EXPECT_GE(base::SysInfo::AmountOfFreeDiskSpace(tmp_path), 0)
             << tmp_path.value();
 }
 
+TEST_F(SysInfoTest, GetDiskSpaceInfo) {
+  // We aren't actually testing that it's correct, just that it's sane.
+  FilePath tmp_path;
+  ASSERT_TRUE(base::GetTempDir(&tmp_path));
+  int64_t available = -1;
+  int64_t total = -1;
+  EXPECT_TRUE(base::SysInfo::GetDiskSpaceInfo(tmp_path, &available, &total));
+  EXPECT_GE(available, 0) << tmp_path.value();
+  EXPECT_GT(total, 0) << tmp_path.value();
+}
+
 #if defined(OS_WIN) || defined(OS_MACOSX)
 TEST_F(SysInfoTest, OperatingSystemVersionNumbers) {
   int32_t os_major_version = -1;