Allow API functions and events to have entries in _api_features.json

chrome/common/extensions/api/extension_api.h

 // 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.
 
 #ifndef CHROME_COMMON_EXTENSIONS_API_EXTENSION_API_H_
 #define CHROME_COMMON_EXTENSIONS_API_EXTENSION_API_H_
 
 #include <map>
 #include <set>
 #include <string>
@@ skipping 58 matching lines @@
 
   // Returns true if the specified API is available. |api_full_name| can be
   // either a namespace name (like "bookmarks") or a member name (like
   // "bookmarks.create"). Returns true if the feature and all of its
   // dependencies are available to the specified context.
   Feature::Availability IsAvailable(const std::string& api_full_name,
                                     const Extension* extension,
                                     Feature::Context context,
                                     const GURL& url);
 
+  // Determines whether an API, or any parts of that API, are available in
+  // |context|.
+  Feature::Availability IsPartAvailableToContext(const std::string& api_name,
+                                                 Feature::Context context,
+                                                 const GURL& url);
+
   // Returns true if |name| is a privileged API path. Privileged paths can only
   // be called from extension code which is running in its own designated
   // extension process. They cannot be called from extension code running in
   // content scripts, or other low-privileged contexts.
   bool IsPrivileged(const std::string& name);
 
   // Gets the schema for the extension API with namespace |full_name|.
   // Ownership remains with this object.
   const base::DictionaryValue* GetSchema(const std::string& full_name);
 
@@ skipping 74 matching lines @@
   // FeatureProviders used for resolving dependencies.
   typedef std::map<std::string, FeatureProvider*> FeatureProviderMap;
   FeatureProviderMap dependency_providers_;
 
   DISALLOW_COPY_AND_ASSIGN(ExtensionAPI);
 };
 
 }  // extensions
 
 #endif  // CHROME_COMMON_EXTENSIONS_API_EXTENSION_API_H_