Disable file operations on NACL builds.

base/metrics/persistent_memory_allocator_unittest.cc

 // Copyright 2015 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.
 
 #include "base/metrics/persistent_memory_allocator.h"
 
 #include <memory>
 
 #include "base/files/file.h"
 #include "base/files/file_util.h"
@@ skipping 564 matching lines @@
 
   // Interconnectivity test.
   Reference obj = shalloc3.Allocate(42, 42);
   ASSERT_TRUE(obj);
   shalloc3.MakeIterable(obj);
   EXPECT_EQ(obj, iter2.GetNext(&type));
   EXPECT_EQ(42U, type);
 }
 
 
+#if !defined(OS_NACL)
 //----- FilePersistentMemoryAllocator ------------------------------------------
 
 TEST(FilePersistentMemoryAllocatorTest, CreationTest) {
   ScopedTempDir temp_dir;
   ASSERT_TRUE(temp_dir.CreateUniqueTempDir());
   FilePath file_path = temp_dir.path().AppendASCII("persistent_memory");
 
   PersistentMemoryAllocator::MemoryInfo meminfo1;
   Reference r123, r456, r789;
   {
@@ skipping 182 matching lines @@
                                               read_only);
       EXPECT_TRUE(allocator.IsCorrupt());  // Garbage data so it should be.
     } else {
       // For filesize >= minsize, the file must be acceptable. This
       // else clause (file-not-acceptable) should be reached only if
       // filesize < minsize.
       EXPECT_GT(minsize, filesize);
     }
   }
 }
+#endif  // !defined(OS_NACL)
 
 }  // namespace base