Adding debugging info for sync integration tests.

chrome/test/live_sync/profile_sync_service_test_harness.h

Index: chrome/test/live_sync/profile_sync_service_test_harness.h
diff --git a/chrome/test/live_sync/profile_sync_service_test_harness.h b/chrome/test/live_sync/profile_sync_service_test_harness.h
index bb88e4c79331caed35bb8d59ed1e4c01f0394d21..3b32930a9b24353fe448ced313b310ee8e94170f 100644
--- a/chrome/test/live_sync/profile_sync_service_test_harness.h
+++ b/chrome/test/live_sync/profile_sync_service_test_harness.h
@@ -24,7 +24,7 @@ class Profile;
 class ProfileSyncServiceTestHarness : public ProfileSyncServiceObserver {
  public:
   ProfileSyncServiceTestHarness(Profile* p, const std::string& username,
-                                const std::string& password);
+                                const std::string& password, int id);
 
   // Creates a ProfileSyncService for the profile passed at construction and
   // enables sync.  Returns true only after sync has been fully initialized and
@@ -108,11 +108,13 @@ class ProfileSyncServiceTestHarness : public ProfileSyncServiceObserver {
   virtual bool AwaitStatusChangeWithTimeout(int timeout_seconds,
                                             const std::string& reason);
 
-  // Returns true if the service initialized correctly.  Set
-  // is_auth_retry to true when calling this method second time after
-  // an autentication failure.
+  // Returns true if the service initialized correctly. Set is_auth_retry to
+  // true when calling this method second time after an authentication failure.
   bool WaitForServiceInit(bool is_auth_retry);
 
+  // Logs message with relevant info about client's sync state (if available).
+  void LogClientInfo(std::string message);
+
   WaitState wait_state_;
 
   Profile* profile_;
@@ -138,6 +140,9 @@ class ProfileSyncServiceTestHarness : public ProfileSyncServiceObserver {
   std::string username_;
   std::string password_;
 
+  // Client ID, used for logging purposes.
+  int id_;
+
   DISALLOW_COPY_AND_ASSIGN(ProfileSyncServiceTestHarness);
 };