linux: move gtk_init to the right thread

In the plugin process, gtk_init needs to be called from the UI thread (PluginThread) not the main thread (PluginMain) which is an IO thread.

Review URL: http://codereview.chromium.org/149424


git-svn-id: svn://svn.chromium.org/chrome/trunk/src@20340 0039d316-1c4b-4281-b951-d872f2087c98

chrome/plugin/plugin_main.cc

@@ -67,22 +67,6 @@ int PluginMain(const MainFunctionParams& parameters) {
                          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.
-    // TODO(evanm): hoist this up nearer to where we have argc/argv.
-    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
 

chrome/plugin/plugin_thread.cc

@@ -54,6 +54,27 @@ void PluginThread::OnControlMessageReceived(const IPC::Message& msg) {
 
 void PluginThread::Init() {
   lazy_tls.Pointer()->Set(this);
+#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 =
+        CommandLine::ForCurrentProcess()->argv();
+    int argc = args.size();
+    scoped_array<char *> argv(new char *[argc + 1]);
+    for (size_t i = 0; i < args.size(); ++i) {
+      // TODO(piman@google.com): can gtk_init modify argv? Just being safe
+      // here.
+      argv[i] = strdup(args[i].c_str());
+    }
+    argv[argc] = NULL;
+    char **argv_pointer = argv.get();
+    gtk_init(&argc, &argv_pointer);
+    for (size_t i = 0; i < args.size(); ++i) {
+      free(argv[i]);
+    }
+  }
+#endif
   ChildThread::Init();
 
   PatchNPNFunctions();