Fix the allHistory flag on chrome.history.onVisitRemoved event.

chrome/browser/extensions/api/history/history_api.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/extensions/api/history/history_api.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/callback.h"
 #include "base/json/json_writer.h"
@@ skipping 471 matching lines @@
 bool HistoryDeleteAllFunction::RunAsyncImpl() {
   if (!VerifyDeleteAllowed())
     return false;
 
   std::set<GURL> restrict_urls;
   HistoryService* hs =
       HistoryServiceFactory::GetForProfile(profile(),
                                            Profile::EXPLICIT_ACCESS);
   hs->ExpireHistoryBetween(
       restrict_urls,
-      base::Time::UnixEpoch(),     // From the beginning of the epoch.
-      base::Time::Now(),           // To the current time.
+      base::Time(),      // Unbounded beginning...
+      base::Time(),      // ...and the end.
       base::Bind(&HistoryDeleteAllFunction::DeleteComplete,
                  base::Unretained(this)),
       &task_tracker_);
 
   return true;
 }
 
 void HistoryDeleteAllFunction::DeleteComplete() {
   SendAsyncResponse();
 }
 
 }  // namespace extensions