sync: Refactor bookmarks integration tests

chrome/browser/sync/test/integration/status_change_checker.h

Index: chrome/browser/sync/test/integration/status_change_checker.h
diff --git a/chrome/browser/sync/test/integration/status_change_checker.h b/chrome/browser/sync/test/integration/status_change_checker.h
index b1611cc86b39881da881f2b63ecfe66235879ded..8647e0fa261881cf25bd409d94d56afc65149653 100644
--- a/chrome/browser/sync/test/integration/status_change_checker.h
+++ b/chrome/browser/sync/test/integration/status_change_checker.h
@@ -7,6 +7,7 @@
 
 #include <string>
 
+#include "base/run_loop.h"
 #include "base/time/time.h"
 
 class ProfileSyncServiceHarness;
@@ -21,7 +22,7 @@ class ProfileSyncServiceHarness;
 // sense to call StartBlockingWait() more than once.
 class StatusChangeChecker {
  public:
-  explicit StatusChangeChecker();
+  StatusChangeChecker();
 
   // Returns a string representing this current StatusChangeChecker, and
   // possibly some small part of its state.  For example: "AwaitPassphraseError"
@@ -57,7 +58,11 @@ class StatusChangeChecker {
   // Called when the blocking wait timeout is exceeded.
   void OnTimeout();
 
+  // True if the checker stopped waiting because of timeout.
   bool timed_out_;
+
+  // The RunLoop used for waiting.
+  base::RunLoop run_loop_;
 };
 
 #endif  // CHROME_BROWSER_SYNC_TEST_INTEGRATION_STATUS_CHANGE_CHECKER_H_