Add DIR_ROAMING_USER_DATA to PathService.

chrome/common/chrome_paths.cc

Index: chrome/common/chrome_paths.cc
diff --git a/chrome/common/chrome_paths.cc b/chrome/common/chrome_paths.cc
index d490a6f7e73ef909cad84d290ad076d4c8c16646..12766e11753737bf3bfc1cbc9da33632514131c8 100644
--- a/chrome/common/chrome_paths.cc
+++ b/chrome/common/chrome_paths.cc
@@ -248,6 +248,13 @@ bool PathProvider(int key, base::FilePath* result) {
         return false;
       cur = cur.Append(FILE_PATH_LITERAL("Diagnostics"));
       break;
+    case chrome::DIR_ROAMING_USER_DATA:
+      if (!GetDefaultRoamingUserDataDirectory(&cur)) {
+        NOTREACHED();
+        return false;
+      }
+      create_dir = true;
+      break;
 #endif
     case chrome::DIR_RESOURCES:
 #if defined(OS_MACOSX)