Hack to make tests work if out is a symlink: see if the current dir is the source root.

chrome/test/memory_test/memory_test.cc

Index: chrome/test/memory_test/memory_test.cc
diff --git a/chrome/test/memory_test/memory_test.cc b/chrome/test/memory_test/memory_test.cc
index 014d60128754ff267e6d8dcbb90d4a6988cbf0a5..63367d3176164bc08d08547271b7c58adf88f517 100644
--- a/chrome/test/memory_test/memory_test.cc
+++ b/chrome/test/memory_test/memory_test.cc
@@ -48,9 +48,7 @@ class MemoryTest : public UITest {
 
     if (profile_dir.empty()) {
       // Compute the user-data-dir which contains our test cache.
-      PathService::Get(base::DIR_EXE, &profile_dir);
-      profile_dir = profile_dir.DirName();
-      profile_dir = profile_dir.DirName();
+      PathService::Get(base::DIR_SOURCE_ROOT, &profile_dir);
       profile_dir = profile_dir.AppendASCII("data");
       profile_dir = profile_dir.AppendASCII("memory_test");
       profile_dir = profile_dir.AppendASCII("general_mix");