Remove adapter method on HistoryBackend delegating to AndroidProviderBackend

chrome/browser/sync/profile_sync_service_typed_url_unittest.cc

Index: chrome/browser/sync/profile_sync_service_typed_url_unittest.cc
diff --git a/chrome/browser/sync/profile_sync_service_typed_url_unittest.cc b/chrome/browser/sync/profile_sync_service_typed_url_unittest.cc
index 899b2206a0231c843aee5b58bd1fc562d084d32e..5c7f66af16cbcebe1577df10449637c4d7c79037 100644
--- a/chrome/browser/sync/profile_sync_service_typed_url_unittest.cc
+++ b/chrome/browser/sync/profile_sync_service_typed_url_unittest.cc
@@ -116,8 +116,9 @@ class HistoryServiceMock : public HistoryService {
   HistoryServiceMock(history::HistoryClient* client, Profile* profile)
       : HistoryService(client, profile), backend_(NULL) {}
 
-  virtual void ScheduleDBTask(scoped_ptr<history::HistoryDBTask> task,
-                              base::CancelableTaskTracker* tracker) override {
+  virtual base::CancelableTaskTracker::TaskId ScheduleDBTask(
+      scoped_ptr<history::HistoryDBTask> task,
+      base::CancelableTaskTracker* tracker) override {
     history::HistoryDBTask* task_raw = task.get();
     task_runner_->PostTaskAndReply(
         FROM_HERE,
@@ -125,6 +126,7 @@ class HistoryServiceMock : public HistoryService {
                    base::Unretained(this), task_raw),
         base::Bind(&base::DeletePointer<history::HistoryDBTask>,
                    task.release()));
+    return base::CancelableTaskTracker::kBadTaskId;
   }
 
   MOCK_METHOD0(Shutdown, void());