Adding the --load-component-extension flag.

chrome/browser/extensions/component_loader.h

Index: chrome/browser/extensions/component_loader.h
diff --git a/chrome/browser/extensions/component_loader.h b/chrome/browser/extensions/component_loader.h
index ec7726975f7ae09c1253f8025e5b8858396beb75..5de83d321bd1a174593e70c16374c80ebb46221f 100644
--- a/chrome/browser/extensions/component_loader.h
+++ b/chrome/browser/extensions/component_loader.h
@@ -41,10 +41,17 @@ class ComponentLoader : public content::NotificationObserver {
   const Extension* Add(int manifest_resource_id,
                        const FilePath& root_directory);
 
+  // Loads a component extension from file system.
+  const Extension* AddFromCommandLine(const FilePath& path);
+
   // Unloads a component extension and removes it from the list of component
   // extensions to be loaded.
   void Remove(const FilePath& root_directory);
 
+  // Removes a component extension from the list of component
+  // extensions to be loaded.
+  void Remove(const std::string& id);
+
   // Adds the default component extensions.
   //
   // Component extension manifests must contain a 'key' property with a unique
@@ -96,6 +103,9 @@ class ComponentLoader : public content::NotificationObserver {
   // Add the enterprise webstore extension, or reload it if already loaded.
   void AddOrReloadEnterpriseWebStore();
 
+  // Determine the extension id and unload the extension.
+  std::string GenerateId(const base::DictionaryValue* manifest);
+
   PrefService* prefs_;
   PrefService* local_state_;