Move TopSites api from c/b/history to c/b/e/api

chrome/browser/extensions/api/top_sites/top_sites_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/history/top_sites_extension_api.h"
+#include "chrome/browser/extensions/api/top_sites/top_sites_api.h"
 
 #include "base/bind.h"
 #include "base/values.h"
 #include "chrome/browser/history/top_sites.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/webui/ntp/new_tab_ui.h"
 
+namespace extensions {
+
 GetTopSitesFunction::GetTopSitesFunction()
     : ALLOW_THIS_IN_INITIALIZER_LIST(weak_ptr_factory_(this)) {}
 
 GetTopSitesFunction::~GetTopSitesFunction() {}
 
 bool GetTopSitesFunction::RunImpl() {
   history::TopSites* ts = profile()->GetTopSites();
   if (!ts)
     return false;
 
@@ skipping 15 matching lines @@
         page_value->SetString("title", url.url.spec());
       else
         page_value->SetString("title", url.title);
       pages_value->Append(page_value);
     }
   }
 
   SetResult(pages_value.release());
   SendResponse(true);
 }
+
+}  // namespace extensions