GTTF: Make net_unittests run successfully with parallel test launcher

net/disk_cache/storage_block_unittest.cc

Index: net/disk_cache/storage_block_unittest.cc
diff --git a/net/disk_cache/storage_block_unittest.cc b/net/disk_cache/storage_block_unittest.cc
index c9406b6984b46f7873aa09afc39684340f304265..abaa4a7aabbaa5d80f8a0ef0354556c7b3a9d3a5 100644
--- a/net/disk_cache/storage_block_unittest.cc
+++ b/net/disk_cache/storage_block_unittest.cc
@@ -10,7 +10,9 @@
 #include "testing/gtest/include/gtest/gtest.h"
 
 TEST_F(DiskCacheTest, StorageBlock_LoadStore) {
-  FilePath filename = GetCacheFilePath().AppendASCII("a_test");
+  ScopedTestCache test_cache;
+  FilePath filename = test_cache.path().AppendASCII("a_test");
+
   scoped_refptr<disk_cache::MappedFile> file(new disk_cache::MappedFile);
   ASSERT_TRUE(CreateCacheTestFile(filename));
   ASSERT_TRUE(file->Init(filename, 8192));
@@ -30,7 +32,9 @@ TEST_F(DiskCacheTest, StorageBlock_LoadStore) {
 }
 
 TEST_F(DiskCacheTest, StorageBlock_SetData) {
-  FilePath filename = GetCacheFilePath().AppendASCII("a_test");
+  ScopedTestCache test_cache;
+  FilePath filename = test_cache.path().AppendASCII("a_test");
+
   scoped_refptr<disk_cache::MappedFile> file(new disk_cache::MappedFile);
   ASSERT_TRUE(CreateCacheTestFile(filename));
   ASSERT_TRUE(file->Init(filename, 8192));
@@ -50,7 +54,9 @@ TEST_F(DiskCacheTest, StorageBlock_SetData) {
 }
 
 TEST_F(DiskCacheTest, StorageBlock_SetModified) {
-  FilePath filename = GetCacheFilePath().AppendASCII("a_test");
+  ScopedTestCache test_cache;
+  FilePath filename = test_cache.path().AppendASCII("a_test");
+
   scoped_refptr<disk_cache::MappedFile> file(new disk_cache::MappedFile);
   ASSERT_TRUE(CreateCacheTestFile(filename));
   ASSERT_TRUE(file->Init(filename, 8192));