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

extensions/common/api/declarative/declarative_manifest_data.h

 // 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.
 
 #ifndef EXTENSIONS_COMMON_API_DECLARATIVE_DECLARATIVE_MANIFEST_DATA_H_
 #define EXTENSIONS_COMMON_API_DECLARATIVE_DECLARATIVE_MANIFEST_DATA_H_
 
 #include <vector>
 
 #include "base/memory/linked_ptr.h"
 #include "base/strings/string16.h"
 #include "extensions/common/api/events.h"
 #include "extensions/common/extension.h"
 #include "extensions/common/manifest_handler.h"
 
 namespace extensions {
 
 // The parsed form of the "event_rules" manifest entry.
 class DeclarativeManifestData : public Extension::ManifestData {
  public:
-  typedef extensions::core_api::events::Rule Rule;
+  typedef extensions::api::events::Rule Rule;
 
   DeclarativeManifestData();
   ~DeclarativeManifestData() override;
 
   // Gets the DeclarativeManifestData for |extension|, or NULL if none was
   // specified.
   static DeclarativeManifestData* Get(const Extension* extension);
 
   // Tries to construct the info based on |value|, as it would have appeared in
   // the manifest. Sets |error| and returns an empty scoped_ptr on failure.
   static scoped_ptr<DeclarativeManifestData> FromValue(const base::Value& value,
                                                        base::string16* error);
 
   std::vector<linked_ptr<DeclarativeManifestData::Rule>>& RulesForEvent(
       const std::string& event);
 
  private:
   std::map<std::string, std::vector<linked_ptr<Rule>>> event_rules_map_;
   DISALLOW_COPY_AND_ASSIGN(DeclarativeManifestData);
 };
 
 }  // namespace extensions
 
 #endif  // EXTENSIONS_COMMON_API_DECLARATIVE_DECLARATIVE_MANIFEST_DATA_H_