Added support for KDE file dialogs.

chrome/browser/ui/gtk/dialogs_common.cc

Index: chrome/browser/ui/gtk/dialogs_common.cc
===================================================================
--- chrome/browser/ui/gtk/dialogs_common.cc	(revision 101188)
+++ chrome/browser/ui/gtk/dialogs_common.cc	(working copy)
@@ -6,8 +6,10 @@
 
 #include "chrome/browser/ui/gtk/dialogs_common.h"
 
+#include "base/environment.h"
 #include "base/file_util.h"
 #include "base/message_loop.h"
+#include "base/nix/xdg_util.h"
 #include "base/threading/thread.h"
 #include "base/threading/thread_restrictions.h"
 #include "content/browser/browser_thread.h"
@@ -18,6 +20,13 @@
 // static
 SelectFileDialog* SelectFileDialog::Create(Listener* listener) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
+  scoped_ptr<base::Environment> env(base::Environment::Create());
+  base::nix::DesktopEnvironment desktop =
+      base::nix::GetDesktopEnvironment(env.get());
+  if (desktop == base::nix::DESKTOP_ENVIRONMENT_KDE3 ||
+      desktop == base::nix::DESKTOP_ENVIRONMENT_KDE4) {
+    return SelectFileDialogImpl::NewSelectFileDialogImplKDE(listener);
+  }
   return SelectFileDialogImpl::NewSelectFileDialogImplGTK(listener);
 }