Prettify output from chrome.fileSystem.getDisplayPath for POSIX profile directories

base/base_paths_posix.cc

Index: base/base_paths_posix.cc
diff --git a/base/base_paths_posix.cc b/base/base_paths_posix.cc
index d8d5ae61b7285ab113eb46718610a25e08773bf7..743f77aaab1e6d2f261fe4130fcd3f23cda0a4cc 100644
--- a/base/base_paths_posix.cc
+++ b/base/base_paths_posix.cc
@@ -85,12 +85,17 @@ bool PathProviderPosix(int key, FilePath* result) {
                   << "Try running from your chromium/src directory.";
       return false;
     }
-    case base::DIR_CACHE:
+    case base::DIR_CACHE: {
       scoped_ptr<base::Environment> env(base::Environment::Create());
       FilePath cache_dir(base::nix::GetXDGDirectory(env.get(), "XDG_CACHE_HOME",
                                                     ".cache"));
       *result = cache_dir;
       return true;
+    }
+    case base::DIR_HOME: {
+      *result = file_util::GetHomeDir();
+      return true;
+    }
   }
   return false;
 }