Clean up TestFeaturesNativeHandler to use the ExtensionsClient's JSON feature sources.

apps/shell/common/shell_extensions_client.h

 // Copyright 2013 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 APPS_SHELL_COMMON_SHELL_EXTENSIONS_CLIENT_H_
 #define APPS_SHELL_COMMON_SHELL_EXTENSIONS_CLIENT_H_
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "extensions/common/extensions_client.h"
 #include "extensions/common/permissions/extensions_api_permissions.h"
 
 namespace apps {
 
 // The app_shell implementation of ExtensionsClient.
 class ShellExtensionsClient : public extensions::ExtensionsClient {
  public:
   ShellExtensionsClient();
   virtual ~ShellExtensionsClient();
 
   // extensions::ExtensionsClient overrides:
   virtual void Initialize() OVERRIDE;
   virtual const extensions::PermissionMessageProvider&
       GetPermissionMessageProvider() const OVERRIDE;
   virtual scoped_ptr<extensions::FeatureProvider> CreateFeatureProvider(
       const std::string& name) const OVERRIDE;
+  virtual scoped_ptr<extensions::JSONFeatureProviderSource>
+      CreateFeatureProviderSource(const std::string& name) const OVERRIDE;
   virtual void FilterHostPermissions(
       const extensions::URLPatternSet& hosts,
       extensions::URLPatternSet* new_hosts,
       std::set<extensions::PermissionMessage>* messages) const OVERRIDE;
   virtual void SetScriptingWhitelist(const ScriptingWhitelist& whitelist)
       OVERRIDE;
   virtual const ScriptingWhitelist& GetScriptingWhitelist() const OVERRIDE;
   virtual extensions::URLPatternSet GetPermittedChromeSchemeHosts(
       const extensions::Extension* extension,
       const extensions::APIPermissionSet& api_permissions) const OVERRIDE;
   virtual bool IsScriptableURL(const GURL& url, std::string* error) const
       OVERRIDE;
   virtual bool IsAPISchemaGenerated(const std::string& name) const OVERRIDE;
   virtual base::StringPiece GetAPISchema(const std::string& name) const
       OVERRIDE;
   virtual bool ShouldSuppressFatalErrors() const OVERRIDE;
 
  private:
   const extensions::ExtensionsAPIPermissions extensions_api_permissions_;
 
   ScriptingWhitelist scripting_whitelist_;
 
   DISALLOW_COPY_AND_ASSIGN(ShellExtensionsClient);
 };
 
 }  // namespace apps
 
 #endif  // APPS_SHELL_COMMON_SHELL_EXTENSIONS_CLIENT_H_