Delete the GTK+ port of Chrome.

content/plugin/plugin_thread.cc

Index: content/plugin/plugin_thread.cc
diff --git a/content/plugin/plugin_thread.cc b/content/plugin/plugin_thread.cc
index 25732566e2c6a1e201b0f26f51240ff0359a54eb..0a6a1c514574a13b7aa848430194106cce5cf0d6 100644
--- a/content/plugin/plugin_thread.cc
+++ b/content/plugin/plugin_thread.cc
@@ -6,9 +6,7 @@
 
 #include "build/build_config.h"
 
-#if defined(TOOLKIT_GTK)
-#include <gtk/gtk.h>
-#elif defined(OS_MACOSX)
+#if defined(OS_MACOSX)
 #include <CoreFoundation/CoreFoundation.h>
 #endif
 
@@ -31,10 +29,6 @@
 #include "third_party/WebKit/public/web/WebKit.h"
 #include "ipc/ipc_channel_handle.h"
 
-#if defined(TOOLKIT_GTK)
-#include "ui/gfx/gtk_util.h"
-#endif
-
 #if defined(USE_X11)
 #include "ui/base/x/x11_util.h"
 #endif
@@ -83,31 +77,6 @@ PluginThread::PluginThread()
           switches::kPluginPath);
 
   lazy_tls.Pointer()->Set(this);
-#if defined(TOOLKIT_GTK)
-  {
-    // XEmbed plugins assume they are hosted in a Gtk application, so we need
-    // to initialize Gtk in the plugin process.
-    // g_thread_init API is deprecated since glib 2.31.0, see release note:
-    // http://mail.gnome.org/archives/gnome-announce-list/2011-October/msg00041.html
-#if !(GLIB_CHECK_VERSION(2, 31, 0))
-    g_thread_init(NULL);
-#endif
-
-    // Flash has problems receiving clicks with newer GTKs due to the
-    // client-side windows change.  To be safe, we just always set the
-    // backwards-compat environment variable.
-    setenv("GDK_NATIVE_WINDOWS", "1", 1);
-
-    gfx::GtkInitFromCommandLine(*CommandLine::ForCurrentProcess());
-
-    // GTK after 2.18 resets the environment variable.  But if we're using
-    // nspluginwrapper, that means it'll spawn its subprocess without the
-    // environment variable!  So set it again.
-    setenv("GDK_NATIVE_WINDOWS", "1", 1);
-  }
-
-  ui::SetDefaultX11ErrorHandlers();
-#endif
 
   PatchNPNFunctions();