Accessible name for focusable close button

This is split out from the CL to test all widgets and views for nameless
focusable objects. See crrev.com/c/951933.

Bug: 819350
Change-Id: I87e8b7ec9ec968ea5f3b2648b1242ddf60be4514
Reviewed-on: https://chromium-review.googlesource.com/952709
Reviewed-by: Robert Liao <[email protected]>
Commit-Queue: Aaron Leventhal <[email protected]>
Cr-Commit-Position: refs/heads/master@{#541537}
diff --git a/chrome/browser/ui/views/fullscreen_control/fullscreen_control_view.cc b/chrome/browser/ui/views/fullscreen_control/fullscreen_control_view.cc
index 2617e17a..ba4f5ed0 100644
--- a/chrome/browser/ui/views/fullscreen_control/fullscreen_control_view.cc
+++ b/chrome/browser/ui/views/fullscreen_control/fullscreen_control_view.cc
@@ -8,8 +8,10 @@
 
 #include "base/callback.h"
 #include "cc/paint/paint_flags.h"
+#include "chrome/grit/generated_resources.h"
 #include "components/vector_icons/vector_icons.h"
 #include "third_party/skia/include/core/SkColor.h"
+#include "ui/base/l10n/l10n_util.h"
 #include "ui/gfx/canvas.h"
 #include "ui/gfx/geometry/insets.h"
 #include "ui/gfx/geometry/point_f.h"
@@ -36,6 +38,7 @@
         std::make_unique<views::ImageView>();
     close_image_view->SetImage(gfx::CreateVectorIcon(
         vector_icons::kCloseIcon, kCloseIconSize, SK_ColorWHITE));
+    SetAccessibleName(l10n_util::GetStringUTF16(IDS_EXIT_FULLSCREEN_MODE));
     AddChildView(close_image_view.release());
     SetLayoutManager(std::make_unique<views::FillLayout>());
   }