linux: OOP windowed plugins

chrome/plugin/plugin_main.cc

 // Copyright (c) 2006-2008 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 "build/build_config.h"
 
 #if defined(OS_WIN)
 #include "app/win_util.h"
 #endif
 #include "base/command_line.h"
@@ skipping 49 matching lines @@
     }
   }
 
   if (parsed_command_line.HasSwitch(switches::kPluginStartupDialog)) {
     std::wstring title = chrome::kBrowserAppName;
     title += L" plugin";  // makes attaching to process easier
     win_util::MessageBox(NULL, L"plugin starting...", title,
                          MB_OK | MB_SETFOREGROUND);
   }
 #else
+#if defined(OS_LINUX)
+  {
+    // XEmbed plugins assume they are hosted in a Gtk application, so we need
+    // to initialize Gtk in the plugin process.
+    const std::vector<std::string>& args = parameters.command_line_.argv();
+    int argc = args.size();
+    scoped_array<const char *> argv(new const char *[argc + 1]);
+    for (int i = 0; i < argc; ++i) {
+      argv[i] = args[i].c_str();
+    }
+    argv[argc] = NULL;
+    const char **argv_pointer = argv.get();
+    gtk_init(&argc, const_cast<char***>(&argv_pointer));
+  }
+#endif
   NOTIMPLEMENTED() << " non-windows startup, plugin startup dialog etc.";
 #endif
 
   {
     ChildProcess plugin_process(new PluginThread());
 #if defined(OS_WIN)
     if (!no_sandbox && target_services)
       target_services->LowerToken();
 
     if (sandbox_test_module) {
@@ skipping 15 matching lines @@
 
     MessageLoop::current()->Run();
   }
 
 #if defined(OS_WIN)
   CoUninitialize();
 #endif
 
   return 0;
 }