Move Range code to gfx.

ui/base/ime/composition_text.h

Index: ui/base/ime/composition_text.h
diff --git a/ui/base/ime/composition_text.h b/ui/base/ime/composition_text.h
index b97712a6322d0ea2b6579da8f1dfa0de8076a09c..5beaffc0eb77887aeb9c7775483540a6b5aa6aa5 100644
--- a/ui/base/ime/composition_text.h
+++ b/ui/base/ime/composition_text.h
@@ -7,8 +7,8 @@
 
 #include "base/strings/string16.h"
 #include "ui/base/ime/composition_underline.h"
-#include "ui/base/range/range.h"
 #include "ui/base/ui_export.h"
+#include "ui/gfx/range/range.h"
 
 namespace ui {
 
@@ -47,7 +47,7 @@ struct UI_EXPORT CompositionText {
   // if the range length is zero. Usually it's used for representing the target
   // clause (on Windows). Gtk doesn't have such concept, so background color is
   // usually used instead.
-  Range selection;
+  gfx::Range selection;
 };
 
 }  // namespace ui