Rename 'harddisk' to 'fixed' for storage unit type

chrome/browser/extensions/api/system_info_storage/storage_info_provider_linux_unittest.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.
 
 // StorageInfoProviderLinux unit tests.
 
 #include "chrome/browser/extensions/api/system_info_storage/storage_info_provider_linux.h"
 
 #include <map>
 
@@ skipping 21 matching lines @@
   "/dev/sdb /home ext4 rw 0 0";
 
 struct TestMountEntry {
   std::string mnt_path;
   std::string type;
   double capacity;
   double available_capacity;
 };
 
 const TestMountEntry mount_entries[] = {
-  { "/boot", "harddisk", 100, 50 },
-  { "/", "harddisk", 200, 100 },
-  { "/home", "removable", 300, 100 }
+  { "/boot", systeminfo::kStorageTypeFixed, 100, 50 },
+  { "/", systeminfo::kStorageTypeFixed, 200, 100 },
+  { "/home", systeminfo::kStorageTypeRemovable, 300, 100 }
 };
 
 typedef std::map<std::string, struct TestMountEntry> TestMountEntryMap;
 
 }  // namespace
 
 class StorageInfoProviderLinuxWrapper : public StorageInfoProviderLinux {
  public:
   explicit StorageInfoProviderLinuxWrapper(const base::FilePath& mtab_path)
     : StorageInfoProviderLinux(mtab_path) {
@@ skipping 85 matching lines @@
 TEST_F(StorageInfoProviderLinuxTest, QueryInfoFailed) {
   storage_info_provider_ =
       new StorageInfoProviderLinuxWrapper(base::FilePath("/invalid/file/path"));
   StorageInfo info;
   ASSERT_FALSE(QueryInfo(&info));
   EXPECT_EQ(0u, info.size());
 }
 
 }  // namespace extensions