REGRESSION(r175642) Caused webkit unit tests failures

webkit/support/webkit_support.cc

Index: webkit/support/webkit_support.cc
diff --git a/webkit/support/webkit_support.cc b/webkit/support/webkit_support.cc
index 6e8592541768f1e18d4b24fd61a8c62004ca3eda..2dd97e4a2c4775e92069452606ffd0a52fd85357 100644
--- a/webkit/support/webkit_support.cc
+++ b/webkit/support/webkit_support.cc
@@ -468,6 +468,7 @@ WebKit::WebStorageNamespace* CreateSessionStorageNamespace(unsigned quota) {
 
 WebKit::WebString GetWebKitRootDir() {
   FilePath path = GetWebKitRootDirFilePath();
+  CHECK(file_util::AbsolutePath(&path));

[Nico, 2013/01/21 03:23:00]

Shouldn't this be done in GetWebKitRootDirFilePath(), so that that does the
right thing for other callers too?

   std::string path_ascii = path.MaybeAsASCII();
   CHECK(!path_ascii.empty());
   return WebKit::WebString::fromUTF8(path_ascii.c_str());