Extensions: Keep track of loaded extensions in RendererStartupHelper.

extensions/browser/renderer_startup_helper.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_RENDERER_STARTUP_HELPER_H_
 #define EXTENSIONS_BROWSER_RENDERER_STARTUP_HELPER_H_
 
 #include <map>
 #include <set>
 
@@ skipping 51 matching lines @@
   // Initializes the specified process, informing it of system state and loaded
   // extensions.
   void InitializeProcess(content::RenderProcessHost* process);
 
   // Untracks the given process.
   void UntrackProcess(content::RenderProcessHost* process);
 
   content::BrowserContext* browser_context_;  // Not owned.
 
   // The set of render processes that have had the initial batch of IPC messages
-  // sent, including the set of loaded extensions. Further messages that
+  // sent, together with the set of loaded extensions. Further messages that
   // activate, load, or unload extensions should not be sent until after this
-  // happens.
-  std::set<content::RenderProcessHost*> initialized_processes_;
+  // happens. Used to keep the track of initialized processes along with its
+  // loaded extensions.
+  std::map<content::RenderProcessHost*, std::set<ExtensionId>>
+      loaded_extensions_;
 
   // The set of ids for extensions that are active in a process that has not
-  // been initialized. The activation message will be sent the process is
-  // initialized.
+  // been initialized. The activation message will be sent once the process is
+  // initialized. This is only valid for uninitialized processes.
   std::map<content::RenderProcessHost*, std::set<ExtensionId>>
       pending_active_extensions_;
 
   content::NotificationRegistrar registrar_;
 
   DISALLOW_COPY_AND_ASSIGN(RendererStartupHelper);
 };
 
 // Factory for RendererStartupHelpers. Declared here because this header is
 // rarely included and it's probably cheaper to put it here than to make the
@@ skipping 16 matching lines @@
   content::BrowserContext* GetBrowserContextToUse(
       content::BrowserContext* context) const override;
   bool ServiceIsCreatedWithBrowserContext() const override;
 
   DISALLOW_COPY_AND_ASSIGN(RendererStartupHelperFactory);
 };
 
 }  // namespace extensions
 
 #endif  // EXTENSIONS_BROWSER_RENDERER_STARTUP_HELPER_H_