Move history API out of experimental. Allow extensions to override history page.

chrome/browser/extensions/extension_history_api.cc

 // Copyright (c) 2010 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/extension_history_api.h"
 
 #include "base/callback.h"
 #include "base/json/json_writer.h"
 #include "base/message_loop.h"
 #include "base/string_util.h"
@@ skipping 31 matching lines @@
   list->Append(dict);
 }
 
 void GetVisitInfoDictionary(const history::VisitRow& row,
                             DictionaryValue* value) {
   value->SetString(keys::kIdKey, Int64ToString(row.url_id));
   value->SetString(keys::kVisitId, Int64ToString(row.visit_id));
   value->SetReal(keys::kVisitTime, MilliSecondsFromTime(row.visit_time));
   value->SetString(keys::kReferringVisitId,
                    Int64ToString(row.referring_visit));
-  value->SetInteger(keys::kTransition,
-                    row.transition && PageTransition::CORE_MASK);
+
+  const char* trans = PageTransition::CoreTransitionString(row.transition);
+  DCHECK(trans) << "Invalid transition.";
+  value->SetString(keys::kTransition, trans);
 }
 
 void AddVisitNode(const history::VisitRow& row, ListValue* list) {
   DictionaryValue* dict = new DictionaryValue();
   GetVisitInfoDictionary(row, dict);
   list->Append(dict);
 }
 
 }  // namespace
 
@@ skipping 300 matching lines @@
       base::Time::Now(),           // To the current time.
       &cancelable_consumer_,
       NewCallback(this, &DeleteAllHistoryFunction::DeleteComplete));
 
   return true;
 }
 
 void DeleteAllHistoryFunction::DeleteComplete() {
   SendAsyncResponse();
 }