Implement IME for Mac plugins using the Cocoa event model on 10.6

chrome/plugin/webplugin_proxy.cc

 // Copyright (c) 2009 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.
 
 #include "chrome/plugin/webplugin_proxy.h"
 
 #include "build/build_config.h"
 
 #if defined(OS_WIN)
 #include "app/win_util.h"
@@ skipping 630 matching lines @@
   Send(new PluginHostMsg_InitiateHTTPRangeRequest(
       route_id_, url, range_info, range_request_id));
 }
 
 void WebPluginProxy::SetDeferResourceLoading(unsigned long resource_id,
                                              bool defer) {
   Send(new PluginHostMsg_DeferResourceLoading(route_id_, resource_id, defer));
 }
 
 #if defined(OS_MACOSX)
+void WebPluginProxy::SetImeEnabled(bool enabled) {
+  IPC::Message* msg = new PluginHostMsg_SetImeEnabled(route_id_, enabled);
+  // This message can be sent during event-handling, and needs to be delivered
+  // within that context.
+  msg->set_unblock(true);
+  Send(msg);
+}
+
 void WebPluginProxy::BindFakePluginWindowHandle(bool opaque) {
   Send(new PluginHostMsg_BindFakePluginWindowHandle(route_id_, opaque));
 }
 
 WebPluginAcceleratedSurface* WebPluginProxy::GetAcceleratedSurface() {
   if (!accelerated_surface_.get())
     accelerated_surface_.reset(new WebPluginAcceleratedSurfaceProxy(this));
   return accelerated_surface_.get();
 }
 
@@ skipping 46 matching lines @@
   while (index != resource_clients_.end()) {
     WebPluginResourceClient* client = (*index).second;
 
     if (client == resource_client) {
       resource_clients_.erase(index++);
     } else {
       index++;
     }
   }
 }