Add policies to specify an enterprise web store.

chrome/browser/extensions/component_loader.h

 // Copyright (c) 2011 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_BROWSER_EXTENSIONS_COMPONENT_LOADER_H_
 #define CHROME_BROWSER_EXTENSIONS_COMPONENT_LOADER_H_
 #pragma once
 
 #include <string>
 
 #include "base/file_path.h"
+#include "base/values.h"
 
 class Extension;
 class ExtensionService;
 
 namespace extensions {
 
 // For registering, loading, and unloading component extensions.
 class ComponentLoader {
  public:
   explicit ComponentLoader(ExtensionService* extension_service);
   virtual ~ComponentLoader();
 
   // Loads any registered component extensions.
   void LoadAll();
 
   // Loads and registers a component extension. If ExtensionService has been
   // initialized, the extension is loaded; otherwise, the load is deferred
   // until LoadAll is called.
   const Extension* Add(const std::string& manifest,
-                       const FilePath& root_directory);
+                       const FilePath& root_directory,
+                       DictionaryValue* manifest_overrides);
+
+  const Extension* Add(const std::string& manifest,
+                       const FilePath& root_directory) {
+    return Add(manifest, root_directory, NULL);
+  }
 
   // Unloads a component extension and removes it from the list of component
   // extensions to be loaded.
   void Remove(const std::string& manifest_str);
 
   // Adds the default component extensions.
   //
   // Component extension manifests must contain a 'key' property with a unique
   // public key, serialized in base64. You can create a suitable value with the
   // following commands on a unixy system:
   //
   //   ssh-keygen -t rsa -b 1024 -N '' -f /tmp/key.pem
   //   openssl rsa -pubout -outform DER < /tmp/key.pem 2>/dev/null | base64 -w 0
   void AddDefaultComponentExtensions();
 
  private:
   // Information about a registered component extension.
   struct ComponentExtensionInfo {
     ComponentExtensionInfo(const std::string& manifest,
-                           const FilePath& root_directory)
+                           const FilePath& root_directory,
+                           DictionaryValue* manifest_overrides)
         : manifest(manifest),
-          root_directory(root_directory) {
+          root_directory(root_directory),
+          manifest_overrides(manifest_overrides) {
     }
 
     bool Equals(const ComponentExtensionInfo& other) const;
 
     // The extension's manifest. This is required for component extensions so
     // that ExtensionService doesn't need to go to disk to load them.
     std::string manifest;
 
     // Directory where the extension is stored.
     FilePath root_directory;
+
+    // If non-NULL, contains values that should be used to override the values
+    // specified in the manifest.
+    DictionaryValue* manifest_overrides;
   };
 
   // Loads a registered component extension.
   const Extension* Load(const ComponentExtensionInfo& info);
 
   // Registers an extension to be loaded as a component extension.
   void Register(const ComponentExtensionInfo& info) {
     component_extensions_.push_back(info);
   }
 
   // List of registered component extensions (see Extension::Location).
   typedef std::vector<ComponentExtensionInfo> RegisteredComponentExtensions;
   RegisteredComponentExtensions component_extensions_;
 
   ExtensionService* extension_service_;
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_COMPONENT_LOADER_H_