linux: Move linux_util.h from gfx/ to ui/base/gtk.

ui/base/gtk/menu_label_accelerator_util_unittest.cc

Index: ui/base/gtk/menu_label_accelerator_util_unittest.cc
diff --git a/ui/gfx/linux_util_unittest.cc b/ui/base/gtk/menu_label_accelerator_util_unittest.cc
similarity index 96%
rename from ui/gfx/linux_util_unittest.cc
rename to ui/base/gtk/menu_label_accelerator_util_unittest.cc
index 781c2c0b01813ff986c96cd32f5e6e3f6d46a200..b9a85af0f0b4bddba8befcefdfaea9ad9251aaaa 100644
--- a/ui/gfx/linux_util_unittest.cc
+++ b/ui/base/gtk/menu_label_accelerator_util_unittest.cc
@@ -2,12 +2,12 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "ui/gfx/linux_util.h"
+#include "ui/base/gtk/menu_label_accelerator_util.h"
 
 #include "base/basictypes.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
-namespace gfx {
+namespace ui {
 
 TEST(LinuxUtilTest, ConvertAcceleratorsFromWindowsStyle) {
   static const struct {
@@ -72,4 +72,4 @@ TEST(LinuxUtilTest, EscapeWindowsStyleAccelerators) {
   }
 }
 
-}  // namespace gfx
+}  // namespace ui