Run the disk cache tests in scoped temporary directories instead of a fixed directory so that they …

net/disk_cache/stress_cache.cc

Index: net/disk_cache/stress_cache.cc
===================================================================
--- net/disk_cache/stress_cache.cc	(revision 151735)
+++ net/disk_cache/stress_cache.cc	(working copy)
@@ -26,6 +26,7 @@
 #include "base/message_loop.h"
 #include "base/path_service.h"
 #include "base/process_util.h"
+#include "base/scoped_temp_dir.h"
 #include "base/string_number_conversions.h"
 #include "base/string_util.h"
 #include "base/threading/platform_thread.h"
@@ -101,7 +102,8 @@
 void StressTheCache(int iteration) {
   int cache_size = 0x2000000;  // 32MB.
   uint32 mask = 0xfff;  // 4096 entries.
-  FilePath path = GetCacheFilePath().InsertBeforeExtensionASCII("_stress");
+  ScopedTempDir path;
+  CHECK(path.CreateUniqueTempDir());

[rvargas (doing something else), 2012/08/16 21:04:19]

This should definitely not be a random folder.

[jam, 2012/08/16 21:33:03]

ah, thanks, I didn't read this test closely enough. fixed.

 
   base::Thread cache_thread("CacheThread");
   if (!cache_thread.StartWithOptions(
@@ -109,8 +111,8 @@
     return;
 
   disk_cache::BackendImpl* cache =
-      new disk_cache::BackendImpl(path, mask, cache_thread.message_loop_proxy(),
-                                  NULL);
+      new disk_cache::BackendImpl(path.path(), mask,
+                                  cache_thread.message_loop_proxy(), NULL);
   cache->SetMaxSize(cache_size);
   cache->SetFlags(disk_cache::kNoLoadProtection);