Add more control over sync for Chromium testshell.

chrome/browser/sync/profile_sync_service_android.h

Index: chrome/browser/sync/profile_sync_service_android.h
diff --git a/chrome/browser/sync/profile_sync_service_android.h b/chrome/browser/sync/profile_sync_service_android.h
index a269e9dec9d85d5bcff6b091e741e4b12cd1836f..fc4732e54bb7121e0be78064ea3ea516a3c0fd79 100644
--- a/chrome/browser/sync/profile_sync_service_android.h
+++ b/chrome/browser/sync/profile_sync_service_android.h
@@ -193,6 +193,10 @@ class ProfileSyncServiceAndroid : public ProfileSyncServiceObserver {
   // ProfileSyncServiceObserver:
   virtual void OnStateChanged() OVERRIDE;
 
+  // Returns a timestamp for when a sync was last executed. The return value is
+  // the internal value of base::Time.
+  jlong GetLastSyncedTimeForTest(JNIEnv* env, jobject obj);
+
   static ProfileSyncServiceAndroid* GetProfileSyncServiceAndroid();
 
   // Registers the ProfileSyncServiceAndroid's native methods through JNI.