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..6d025aedcc6ef2670249e6d0aabe731c41560af2 100644
--- a/base/sys_info_unittest.cc
+++ b/base/sys_info_unittest.cc
@@ -40,7 +40,15 @@ 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, AmountOfTotalDiskSpace) {
+  // 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::AmountOfTotalDiskSpace(tmp_path), 0)
             << tmp_path.value();
 }