Move the dispatching of extension messages out of RenderThread. This also moves a bunch of exten...

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"
 #include "chrome/common/extensions/extension_extent.h"
 #include "chrome/common/extensions/url_pattern.h"
 #include "chrome/common/web_apps.h"
 #include "ipc/ipc_message_macros.h"
 
 #define IPC_MESSAGE_START ExtensionMsgStart
 
 // Parameters structure for ExtensionHostMsg_Request.
@@ skipping 175 matching lines @@
 
 // Updates the scripting whitelist for extensions in the render process. This is
 // only used for testing.
 IPC_MESSAGE_CONTROL1(ExtensionMsg_SetScriptingWhitelist,
                      Extension::ScriptingWhitelist /* extenison ids */)
 
 // Notification that renderer should run some JavaScript code.
 IPC_MESSAGE_ROUTED1(ExtensionMsg_ExecuteCode,
                     ExtensionMsg_ExecuteCode_Params)
 
+// Notification that the user scripts have been updated. It has one
+// SharedMemoryHandle argument consisting of the pickled script data. This
+// handle is valid in the context of the renderer.
+IPC_MESSAGE_CONTROL1(ExtensionMsg_UpdateUserScripts,
+                     base::SharedMemoryHandle)
+
 // Requests application info for the page. The renderer responds back with
 // ExtensionHostMsg_DidGetApplicationInfo.
 IPC_MESSAGE_ROUTED1(ExtensionMsg_GetApplicationInfo,
                     int32 /*page_id*/)
 
 // Messages sent from the renderer to the browser.
 
 // A renderer sends this message when an extension process starts an API
 // request. The browser will always respond with a ExtensionMsg_Response.
 IPC_MESSAGE_ROUTED1(ExtensionHostMsg_Request,
@@ skipping 52 matching lines @@
                     bool /* whether the script ran successfully */)
 
 
 IPC_MESSAGE_ROUTED2(ExtensionHostMsg_DidGetApplicationInfo,
                     int32 /* page_id */,
                     WebApplicationInfo)
 
 // Sent by the renderer to implement chrome.app.installApplication().
 IPC_MESSAGE_ROUTED1(ExtensionHostMsg_InstallApplication,
                     WebApplicationInfo)