Filtered events.

chrome/common/extensions/extension_messages.h

 // Copyright (c) 2012 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 327 matching lines @@
 IPC_MESSAGE_CONTROL2(ExtensionHostMsg_AddLazyListener,
                      std::string /* extension_id */,
                      std::string /* name */)
 
 // Notify the browser that the given extension is no longer interested in
 // receiving the given event from a lazy background page.
 IPC_MESSAGE_CONTROL2(ExtensionHostMsg_RemoveLazyListener,
                      std::string /* extension_id */,
                      std::string /* name */)
 
+// Notify the browser that the given extension added a listener to instances of
+// the named event that satisfy the filter.
+IPC_MESSAGE_CONTROL4(ExtensionHostMsg_AddFilteredListener,
+                     std::string /* extension_id */,
+                     std::string /* name */,
+                     DictionaryValue /* filter */,
+                     bool /* lazy */)
+
+// Notify the browser that the given extension is no longer interested in
+// instances of the named event that satisfy the filter.
+IPC_MESSAGE_CONTROL4(ExtensionHostMsg_RemoveFilteredListener,
+                     std::string /* extension_id */,
+                     std::string /* name */,
+                     DictionaryValue /* filter */,
+                     bool /* lazy */)
+
 // Notify the browser that an event has finished being dispatched.
 IPC_MESSAGE_ROUTED0(ExtensionHostMsg_EventAck)
 
 // Open a channel to all listening contexts owned by the extension with
 // the given ID.  This always returns a valid port ID which can be used for
 // sending messages.  If an error occurred, the opener will be notified
 // asynchronously.
 IPC_SYNC_MESSAGE_CONTROL4_1(ExtensionHostMsg_OpenChannelToExtension,
                             int /* routing_id */,
                             std::string /* source_extension_id */,
@@ skipping 91 matching lines @@
 IPC_MESSAGE_ROUTED0(ExtensionHostMsg_IncrementLazyKeepaliveCount)
 
 // Informs the browser there is one less thing keeping the lazy background page
 // alive.
 IPC_MESSAGE_ROUTED0(ExtensionHostMsg_DecrementLazyKeepaliveCount)
 
 // Fetches a globally unique ID (for the lifetime of the browser) from the
 // browser process.
 IPC_SYNC_MESSAGE_CONTROL0_1(ExtensionHostMsg_GenerateUniqueID,
                             int /* unique_id */)