Move chrome/common/extensions/background_info.h to src/extensions

chrome/common/extensions/background_info.h

-// Copyright (c) 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 CHROME_COMMON_EXTENSIONS_BACKGROUND_INFO_H_
-#define CHROME_COMMON_EXTENSIONS_BACKGROUND_INFO_H_
-
-#include <string>
-#include <vector>
-
-#include "base/values.h"
-#include "chrome/common/extensions/extension.h"
-#include "extensions/common/manifest_handler.h"
-#include "url/gurl.h"
-
-namespace extensions {
-
-class BackgroundInfo : public Extension::ManifestData {
- public:
-  BackgroundInfo();
-  virtual ~BackgroundInfo();
-
-  static GURL GetBackgroundURL(const Extension* extension);
-  static const std::vector<std::string>& GetBackgroundScripts(
-      const Extension* extension);
-  static bool HasBackgroundPage(const Extension* extension);
-  static bool HasPersistentBackgroundPage(const Extension* extension);
-  static bool HasLazyBackgroundPage(const Extension* extension);
-  static bool HasGeneratedBackgroundPage(const Extension* extension);
-  static bool AllowJSAccess(const Extension* extension);
-
-  bool has_background_page() const {
-    return background_url_.is_valid() || !background_scripts_.empty();
-  }
-
-  bool has_persistent_background_page() const {
-    return has_background_page() && is_persistent_;
-  }
-
-  bool has_lazy_background_page() const {
-    return has_background_page() && !is_persistent_;
-  }
-
-  bool Parse(const Extension* extension, string16* error);
-
- private:
-  bool LoadBackgroundScripts(const Extension* extension,
-                             const std::string& key,
-                             string16* error);
-  bool LoadBackgroundPage(const Extension* extension,
-                          const std::string& key,
-                          string16* error);
-  bool LoadBackgroundPage(const Extension* extension, string16* error);
-  bool LoadBackgroundPersistent(const Extension* extension, string16* error);
-  bool LoadAllowJSAccess(const Extension* extension, string16* error);
-
-  // Optional URL to a master page of which a single instance should be always
-  // loaded in the background.
-  GURL background_url_;
-
-  // Optional list of scripts to use to generate a background page. If this is
-  // present, background_url_ will be empty and generated by GetBackgroundURL().
-  std::vector<std::string> background_scripts_;
-
-  // True if the background page should stay loaded forever; false if it should
-  // load on-demand (when it needs to handle an event). Defaults to true.
-  bool is_persistent_;
-
-  // True if the background page can be scripted by pages of the app or
-  // extension, in which case all such pages must run in the same process.
-  // False if such pages are not permitted to script the background page,
-  // allowing them to run in different processes.
-  // Defaults to true.
-  bool allow_js_access_;
-};
-
-// Parses all background/event page-related keys in the manifest.
-class BackgroundManifestHandler : public ManifestHandler {
- public:
-  BackgroundManifestHandler();
-  virtual ~BackgroundManifestHandler();
-
-  virtual bool Parse(Extension* extension, string16* error) OVERRIDE;
-  virtual bool Validate(const Extension* extension,
-                        std::string* error,
-                        std::vector<InstallWarning>* warnings) const OVERRIDE;
-  virtual bool AlwaysParseForType(Manifest::Type type) const OVERRIDE;
-
- private:
-  virtual const std::vector<std::string> Keys() const OVERRIDE;
-};
-
-}  // namespace extensions
-
-#endif  // CHROME_COMMON_EXTENSIONS_BACKGROUND_INFO_H_