Generate all extension schema namespaces as "api" and instead vary the generated bundle names.

extensions/browser/guest_view/extension_view/extension_view_guest.cc

 // Copyright 2015 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 "extensions/browser/guest_view/extension_view/extension_view_guest.h"
 
 #include "components/crx_file/id_util.h"
 #include "components/guest_view/browser/guest_view_event.h"
 #include "content/public/browser/render_process_host.h"
 #include "content/public/common/result_codes.h"
 #include "extensions/browser/api/extensions_api_client.h"
 #include "extensions/browser/bad_message.h"
 #include "extensions/browser/guest_view/extension_view/extension_view_constants.h"
 #include "extensions/common/constants.h"
 #include "extensions/common/extension_messages.h"
 #include "extensions/strings/grit/extensions_strings.h"
 
 using content::WebContents;
 using guest_view::GuestViewBase;
 using guest_view::GuestViewEvent;
-using namespace extensions::core_api;
+using namespace extensions::api;
 
 namespace extensions {
 
 // static
 const char ExtensionViewGuest::Type[] = "extensionview";
 
 ExtensionViewGuest::ExtensionViewGuest(
     content::WebContents* owner_web_contents)
     : GuestView<ExtensionViewGuest>(owner_web_contents) {
 }
@@ skipping 109 matching lines @@
   }
 }
 
 void ExtensionViewGuest::ApplyAttributes(const base::DictionaryValue& params) {
   std::string src;
   params.GetString(extensionview::kAttributeSrc, &src);
   NavigateGuest(src, false /* force_navigation */);
 }
 
 }  // namespace extensions