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

webkit/tools/test_shell/test_shell_gtk.cc

Index: webkit/tools/test_shell/test_shell_gtk.cc
diff --git a/webkit/tools/test_shell/test_shell_gtk.cc b/webkit/tools/test_shell/test_shell_gtk.cc
index 86ce5d616592a9ad7b31588d838e293566a5b4a3..10a00b14ecd1fc7af65e5f2d10a79863b7f629b4 100644
--- a/webkit/tools/test_shell/test_shell_gtk.cc
+++ b/webkit/tools/test_shell/test_shell_gtk.cc
@@ -629,8 +629,8 @@ std::string TestShell::RewriteLocalUrl(const std::string& url) {
   std::string new_url(url);
   if (url.compare(0, kPrefixLen, kPrefix, kPrefixLen) == 0) {
     FilePath replace_path;
-    PathService::Get(base::DIR_EXE, &replace_path);
-    replace_path = replace_path.DirName().DirName().Append(
+    PathService::Get(base::DIR_SOURCE_ROOT, &replace_path);
+    replace_path = replace_path.Append(
         "webkit/data/layout_tests/LayoutTests/");
     new_url = std::string("file://") + replace_path.value() +
         url.substr(kPrefixLen);