Replace string16 with base::string16.

chrome/browser/android/bookmarks/managed_bookmarks_shim.cc

Index: chrome/browser/android/bookmarks/managed_bookmarks_shim.cc
diff --git a/chrome/browser/android/bookmarks/managed_bookmarks_shim.cc b/chrome/browser/android/bookmarks/managed_bookmarks_shim.cc
index 29dcf38c301c6784e1b7b7a48d7b2d4bf64fd76f..fa336656e30f86f1a7a7b7d38037d7b66aa669e2 100644
--- a/chrome/browser/android/bookmarks/managed_bookmarks_shim.cc
+++ b/chrome/browser/android/bookmarks/managed_bookmarks_shim.cc
@@ -69,7 +69,7 @@ void ManagedBookmarksShim::Reload() {
   std::string username = prefs_->GetString(prefs::kGoogleServicesUsername);
   if (!username.empty())
     domain = gaia::ExtractDomainName(username);
-  string16 root_node_name;
+  base::string16 root_node_name;
   if (domain.empty()) {
     root_node_name =
         l10n_util::GetStringUTF16(IDS_POLICY_MANAGED_BOOKMARKS_DEFAULT_NAME);
@@ -92,7 +92,7 @@ void ManagedBookmarksShim::Reload() {
         continue;
       }
 
-      string16 name;
+      base::string16 name;
       std::string url;
       if (!dict->GetString(ManagedBookmarksPolicyHandler::kName, &name) ||
           !dict->GetString(ManagedBookmarksPolicyHandler::kUrl, &url)) {