views: Move the remaining files to ui/views/controls/.

ui/views/controls/single_split_view.h

Index: ui/views/controls/single_split_view.h
diff --git a/views/controls/single_split_view.h b/ui/views/controls/single_split_view.h
similarity index 96%
rename from views/controls/single_split_view.h
rename to ui/views/controls/single_split_view.h
index 7cb85409c2eff2259c2aef77627e624c125efe39..c3f2bc30503e8198bf969bbc0b10f41fe3f4f92f 100644
--- a/views/controls/single_split_view.h
+++ b/ui/views/controls/single_split_view.h
@@ -2,8 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef VIEWS_CONTROLS_SINGLE_SPLIT_VIEW_H_
-#define VIEWS_CONTROLS_SINGLE_SPLIT_VIEW_H_
+#ifndef UI_VIEWS_CONTROLS_SINGLE_SPLIT_VIEW_H_
+#define UI_VIEWS_CONTROLS_SINGLE_SPLIT_VIEW_H_
 #pragma once
 
 #include "base/gtest_prod_util.h"
@@ -131,4 +131,4 @@ class VIEWS_EXPORT SingleSplitView : public View {
 
 }  // namespace views
 
-#endif  // VIEWS_CONTROLS_SINGLE_SPLIT_VIEW_H_
+#endif  // UI_VIEWS_CONTROLS_SINGLE_SPLIT_VIEW_H_