Introduce DeclarativeUserScriptManager.

extensions/browser/extension_system.h

 // Copyright 2014 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 EXTENSIONS_BROWSER_EXTENSION_SYSTEM_H_
 #define EXTENSIONS_BROWSER_EXTENSION_SYSTEM_H_
 
 #include <string>
 
 #include "base/memory/ref_counted.h"
@@ skipping 12 matching lines @@
 }
 #endif  // defined(OS_CHROMEOS)
 
 namespace content {
 class BrowserContext;
 }
 
 namespace extensions {
 
 class ContentVerifier;
-class DeclarativeUserScriptMaster;
+class DeclarativeUserScriptManager;
 class ErrorConsole;
 class EventRouter;
 class Extension;
 class ExtensionSet;
 class InfoMap;
 class InstallVerifier;
 class LazyBackgroundTaskQueue;
 class ManagementPolicy;
 class OneShotEvent;
 class QuotaService;
@@ skipping 26 matching lines @@
   virtual RuntimeData* runtime_data() = 0;
 
   // The class controlling whether users are permitted to perform certain
   // actions on extensions (install, uninstall, disable, etc.).
   // The ManagementPolicy is created at startup.
   virtual ManagementPolicy* management_policy() = 0;
 
   // The SharedUserScriptMaster is created at startup.
   virtual SharedUserScriptMaster* shared_user_script_master() = 0;
 
+  // The DeclarativeUserScriptManager is created at startup.
+  virtual DeclarativeUserScriptManager* declarative_user_script_manager() = 0;

[Fady Samuel, 2014/12/12 15:44:31]

This is not a trivial accessor: please call this
GetDeclarativeUserScriptManager. Thanks!

[Fady Samuel, 2014/12/12 16:17:52]

OK, it seems like the naming in this entire file is off. I'm OK with this for
now for consistency. 

+
   // The StateStore is created at startup.
   virtual StateStore* state_store() = 0;
 
   // The rules store is created at startup.
   virtual StateStore* rules_store() = 0;
 
   // Returns the IO-thread-accessible extension data.
   virtual InfoMap* info_map() = 0;
 
   // The LazyBackgroundTaskQueue is created at startup.
@@ skipping 31 matching lines @@
   virtual const OneShotEvent& ready() const = 0;
 
   // Returns the content verifier, if any.
   virtual ContentVerifier* content_verifier() = 0;
 
   // Get a set of extensions that depend on the given extension.
   // TODO(elijahtaylor): Move SharedModuleService out of chrome/browser
   // so it can be retrieved from ExtensionSystem directly.
   virtual scoped_ptr<ExtensionSet> GetDependentExtensions(
       const Extension* extension) = 0;
-
-  // Get the user script master for declarative scripts, if any.
-  virtual DeclarativeUserScriptMaster*
-      GetDeclarativeUserScriptMasterByExtension(
-          const ExtensionId& extension_id) = 0;
 };
 
 }  // namespace extensions
 
 #endif  // EXTENSIONS_BROWSER_EXTENSION_SYSTEM_H_