Add URL parameter so that /ListAccounts returns valid json.

chrome/browser/chromeos/login/oauth2_login_manager.cc

Index: chrome/browser/chromeos/login/oauth2_login_manager.cc
diff --git a/chrome/browser/chromeos/login/oauth2_login_manager.cc b/chrome/browser/chromeos/login/oauth2_login_manager.cc
index 820d117fd620aa1133ce60ab99db85b9805e9f90..07f841fc75c58cc32696390a8ca3ddf5f9826f4f 100644
--- a/chrome/browser/chromeos/login/oauth2_login_manager.cc
+++ b/chrome/browser/chromeos/login/oauth2_login_manager.cc
@@ -4,6 +4,7 @@
 
 #include "chrome/browser/chromeos/login/oauth2_login_manager.h"
 
+#include <utility>
 #include <vector>
 
 #include "base/command_line.h"
@@ -292,15 +293,16 @@ void OAuth2LoginManager::OnSessionMergeFailure(bool connection_error) {
 void OAuth2LoginManager::OnListAccountsSuccess(const std::string& data) {
   MergeVerificationOutcome outcome = POST_MERGE_SUCCESS;
   // Let's analyze which accounts we see logged in here:
-  std::vector<std::string> accounts;
+  std::vector<std::pair<std::string, bool> > accounts;
   gaia::ParseListAccountsData(data, &accounts);
   std::string user_email = gaia::CanonicalizeEmail(GetPrimaryAccountId());
   if (!accounts.empty()) {
     bool found = false;
     bool first = true;
-    for (std::vector<std::string>::const_iterator iter = accounts.begin();
+    for (std::vector<std::pair<std::string, bool> >::const_iterator iter =
+             accounts.begin();
          iter != accounts.end(); ++iter) {
-      if (gaia::CanonicalizeEmail(*iter) == user_email) {
+      if (gaia::CanonicalizeEmail(iter->first) == user_email) {
         found = true;
         break;
       }