Refactor ExtensionView to support a UI-less extension instance....

chrome/browser/extensions/extension.h

 // Copyright (c) 2006-2008 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_EXTENSION_H_
 #define CHROME_BROWSER_EXTENSIONS_EXTENSION_H_
 
 #include <string>
 #include <vector>
 #include <map>
@@ skipping 20 matching lines @@
   // Keys used in JSON representation of extensions.
   static const wchar_t* kContentScriptsKey;
   static const wchar_t* kCssKey;
   static const wchar_t* kDescriptionKey;
   static const wchar_t* kIdKey;
   static const wchar_t* kJsKey;
   static const wchar_t* kMatchesKey;
   static const wchar_t* kNameKey;
   static const wchar_t* kPermissionsKey;
   static const wchar_t* kPluginsDirKey;
+  static const wchar_t* kBackgroundKey;
   static const wchar_t* kRunAtKey;
   static const wchar_t* kThemeKey;
   static const wchar_t* kToolstripsKey;
   static const wchar_t* kVersionKey;
   static const wchar_t* kZipHashKey;
 
   // Some values expected in manifests.
   static const char* kRunAtDocumentStartValue;
   static const char* kRunAtDocumentEndValue;
 
   // Error messages returned from InitFromValue().
   static const char* kInvalidContentScriptError;
   static const char* kInvalidContentScriptsListError;
   static const char* kInvalidCssError;
   static const char* kInvalidCssListError;
   static const char* kInvalidDescriptionError;
   static const char* kInvalidIdError;
   static const char* kInvalidJsError;
   static const char* kInvalidJsListError;
   static const char* kInvalidManifestError;
   static const char* kInvalidMatchCountError;
   static const char* kInvalidMatchError;
   static const char* kInvalidMatchesError;
   static const char* kInvalidNameError;
   static const char* kInvalidPluginsDirError;
+  static const char* kInvalidBackgroundError;
   static const char* kInvalidRunAtError;
   static const char* kInvalidToolstripError;
   static const char* kInvalidToolstripsError;
   static const char* kInvalidVersionError;
   static const char* kInvalidPermissionsError;
   static const char* kInvalidPermissionCountWarning;
   static const char* kInvalidPermissionError;
   static const char* kInvalidPermissionSchemeError;
   static const char* kInvalidZipHashError;
   static const char* kMissingFileError;
@@ skipping 39 matching lines @@
   const FilePath& path() const { return path_; }
   const GURL& url() const { return extension_url_; }
   const std::string& id() const { return id_; }
   const Version* version() const { return version_.get(); }
   // String representation of the version number.
   const std::string VersionString() const;
   const std::string& name() const { return name_; }
   const std::string& description() const { return description_; }
   const UserScriptList& content_scripts() const { return content_scripts_; }
   const FilePath& plugins_dir() const { return plugins_dir_; }
+  const GURL& background_url() const { return background_url_; }
   const std::vector<std::string>& toolstrips() const { return toolstrips_; }
   const std::vector<URLPattern>& permissions() const {
       return permissions_; }
 
  private:
   // Helper method that loads a UserScript object from a
   // dictionary in the content_script list of the manifest.
   bool LoadUserScriptHelper(const DictionaryValue* content_script,
                             int definition_index,
                             std::string* error,
@@ skipping 21 matching lines @@
   // An optional longer description of the extension.
   std::string description_;
 
   // Paths to the content scripts the extension contains.
   UserScriptList content_scripts_;
 
   // Optional absolute path to the directory of NPAPI plugins that the extension
   // contains.
   FilePath plugins_dir_;
 
+  // Optional URL to a master page of which a single instance should be always
+  // loaded in the background.
+  GURL background_url_;
+
   // Paths to HTML files to be displayed in the toolbar.
   std::vector<std::string> toolstrips_;
 
   // A SHA1 hash of the contents of the zip file.  Note that this key is only
   // present in the manifest that's prepended to the zip.  The inner manifest
   // will not have this key.
   std::string zip_hash_;
 
   // A map of resource id's to relative file paths.
   std::map<const std::wstring, std::string> theme_paths_;
 
+  // The sites this extension has permission to talk to (using XHR, etc).
   std::vector<URLPattern> permissions_;
 
   // We implement copy, but not assign.
   void operator=(const Extension&);
 };
 
 #endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_H_