153     return base::WriteFile(prefs_dir_.Append(key),  in SetValue()
172   auto ns1_path = temp_dir.GetPath().Append(ns1);  in TEST()
173   auto ns2A_path = ns1_path.Append(ns2A);  in TEST()
174   auto ns2B_path = ns1_path.Append(ns2B);  in TEST()
175   auto sub_pref_path = ns2A_path.Append(sub_pref);  in TEST()
193   EXPECT_EQ(prefs_dir_.Append(kAllvalidCharsKey).value(), path.value());  in TEST_F()
240   EXPECT_TRUE(base::ReadFileToString(prefs_dir_.Append(kKey), &value));  in TEST_F()
247   EXPECT_FALSE(base::PathExists(prefs_dir_.Append(kKeyWithDots)));  in TEST_F()
252   base::FilePath subdir = prefs_dir_.Append("subdir1").Append("subdir2");  in TEST_F()
256   EXPECT_TRUE(base::ReadFileToString(subdir.Append(kKey), &value));  in TEST_F()
266   base::CreateDirectory(prefs_dir_.Append(kKey));  in TEST_F()
268   EXPECT_TRUE(base::DirectoryExists(prefs_dir_.Append(kKey)));  in TEST_F()
317   EXPECT_TRUE(base::ReadFileToString(prefs_dir_.Append(kKey), &value));  in TEST_F()
324   EXPECT_FALSE(base::PathExists(prefs_dir_.Append(kKeyWithSpaces)));  in TEST_F()
330   EXPECT_TRUE(base::ReadFileToString(prefs_dir_.Append(kKey), &value));  in TEST_F()
338   EXPECT_TRUE(base::ReadFileToString(prefs_dir_.Append(kKey), &value));  in TEST_F()
381   EXPECT_TRUE(base::ReadFileToString(prefs_dir_.Append(kKey), &value));  in TEST_F()
389   EXPECT_TRUE(base::ReadFileToString(prefs_dir_.Append(kKey), &value));  in TEST_F()
396   EXPECT_FALSE(base::PathExists(prefs_dir_.Append(kKey)));  in TEST_F()
427   base::FilePath sub_pref_path = prefs_dir_.Append(name_space).Append(sub_pref);  in TEST_F()
431   EXPECT_TRUE(base::PathExists(sub_pref_path.Append(sub_key1)));  in TEST_F()
432   EXPECT_TRUE(base::PathExists(sub_pref_path.Append(sub_key2)));  in TEST_F()
435   EXPECT_FALSE(base::PathExists(sub_pref_path.Append(sub_key1)));  in TEST_F()
436   EXPECT_TRUE(base::PathExists(sub_pref_path.Append(sub_key2)));  in TEST_F()
438   EXPECT_FALSE(base::PathExists(sub_pref_path.Append(sub_key2)));  in TEST_F()
440   EXPECT_FALSE(base::PathExists(prefs_dir_.Append(name_space)));  in TEST_F()