Remove unused include statements.

Change-Id: I4321d6126848c955389512b25d0de55e01debcca
Reviewed-on: https://chromium-review.googlesource.com/1249570Reviewed-by: CJ DiMeglio <lethalantidote@chromium.org>
Commit-Queue: apacible <apacible@chromium.org>
Cr-Commit-Position: refs/heads/master@{#595946}

chrome/browser/ui/views/overlay/close_image_button.cc

@@ -8,8 +8,6 @@
 #include "chrome/grit/generated_resources.h"
 #include "third_party/skia/include/core/SkColor.h"
 #include "ui/base/l10n/l10n_util.h"
-#include "ui/display/display.h"
-#include "ui/display/screen.h"
 #include "ui/gfx/color_palette.h"
 #include "ui/gfx/paint_vector_icon.h"
 #include "ui/views/vector_icons.h"