Extensions: send the whole manifest to the extensions process in

chrome/common/extensions/extension_messages.h

 // Copyright (c) 2011 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.
 
 // IPC messages for extensions.
 // Multiply-included message file, hence no include guard.
 
 #include "base/shared_memory.h"
 #include "base/values.h"
 #include "chrome/common/extensions/extension.h"
@@ skipping 79 matching lines @@
 
 // Singly-included section for custom IPC traits.
 #ifndef CHROME_COMMON_EXTENSIONS_EXTENSION_MESSAGES_H_
 #define CHROME_COMMON_EXTENSIONS_EXTENSION_MESSAGES_H_
 
 // IPC_MESSAGE macros choke on extra , in the std::map, when expanding. We need
 // to typedef it to avoid that.
 // Substitution map for l10n messages.
 typedef std::map<std::string, std::string> SubstitutionMap;
 
 struct ExtensionMsg_Loaded_Params {

[Aaron Boodman, 2011/12/16 06:44:23]

Can you find the call site and filter out extension->is_theme()? We never need
those in renderers, so it's just extra IPC traffic and memory for no reasons.
And the theme manifests can be large.

[not at google - send to devlin, 2011/12/16 07:07:45]

Done.

   ExtensionMsg_Loaded_Params();
   ~ExtensionMsg_Loaded_Params();
   explicit ExtensionMsg_Loaded_Params(const Extension* extension);
 
-  // A copy constructor is needed because this structure can end up getting
-  // copied inside the IPC machinery on gcc <= 4.2.
-  ExtensionMsg_Loaded_Params(const ExtensionMsg_Loaded_Params& other);
-
   // Creates a new extension from the data in this object.
   scoped_refptr<Extension> ConvertToExtension() const;
 
   // The subset of the extension manifest data we send to renderers.
   linked_ptr<DictionaryValue> manifest;
 
   // The location the extension was installed from.
   Extension::Location location;
 
   // The path the extension was loaded from. This is used in the renderer only
   // to generate the extension ID for extensions that are loaded unpacked.
   FilePath path;
 
-  // The extension's current active permissions.
-  ExtensionAPIPermissionSet apis;
-  URLPatternSet explicit_hosts;
-  URLPatternSet scriptable_hosts;
-
   // We keep this separate so that it can be used in logging.
   std::string id;
 
   // Send creation flags so extension is initialized identically.
   int creation_flags;
 };
 
 namespace IPC {
 
 template <>
@@ skipping 230 matching lines @@
 // Response to the renderer for the above message.
 IPC_MESSAGE_ROUTED3(ExtensionMsg_GetAppNotifyChannelResponse,
                     std::string /* channel_id */,
                     std::string /* error */,
                     int32 /* callback_id */)
 
 // Deliver a message sent with ExtensionHostMsg_PostMessage.
 IPC_MESSAGE_ROUTED2(ExtensionMsg_DeliverMessage,
                     int /* target_port_id */,
                     std::string /* message */)