Support setting mouse cursor icon in Android N.

ui/base/BUILD.gn

 # Copyright 2014 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import("//build/buildflag_header.gni")
 import("//build/config/compiler/compiler.gni")
 import("//build/config/sanitizers/sanitizers.gni")
 import("//build/config/ui.gni")
 import("//testing/test.gni")
 import("//ui/base/ui_features.gni")
@@ skipping 318 matching lines @@
       "clipboard/clipboard_constants.cc",
       "clipboard/clipboard_monitor.cc",
       "clipboard/clipboard_monitor.h",
       "clipboard/clipboard_observer.h",
       "clipboard/custom_data_helper.cc",
       "clipboard/custom_data_helper.h",
       "clipboard/scoped_clipboard_writer.cc",
       "clipboard/scoped_clipboard_writer.h",
       "cursor/cursor_util.cc",
       "cursor/cursor_util.h",
-      "cursor/cursors_aura.cc",
-      "cursor/cursors_aura.h",
       "cursor/image_cursors.cc",
       "cursor/image_cursors.h",
       "default_theme_provider.cc",
       "default_theme_provider.h",
       "dragdrop/cocoa_dnd_util.h",
       "dragdrop/cocoa_dnd_util.mm",
       "dragdrop/file_info.cc",
       "dragdrop/file_info.h",
       "idle/idle.cc",
       "idle/idle.h",
       "idle/idle_android.cc",
       "idle/idle_chromeos.cc",
       "idle/idle_linux.cc",
       "idle/idle_mac.mm",
       "idle/idle_win.cc",
       "text/bytes_formatting.cc",
       "text/bytes_formatting.h",
     ]
+
+    if (use_aura) {
+      sources += [
+        "cursor/cursors_aura.cc",
+        "cursor/cursors_aura.h",
+      ]
+    }
   }
 
   if (is_win) {
     sources += [ "touch/touch_device_win.cc" ]
   } else if (is_android) {
     sources += [ "touch/touch_device_android.cc" ]
     sources -= [ "touch/touch_device_util.cc" ]
   } else if (is_ios) {
     sources += [ "touch/touch_device_ios.cc" ]
   } else if (is_linux) {
@@ skipping 238 matching lines @@
       "idle/idle.cc",
       "idle/idle.h",
       "idle/idle_android.cc",
       "l10n/l10n_font_util.cc",
       "models/button_menu_item_model.cc",
       "models/dialog_model.cc",
       "theme_provider.cc",
       "touch/touch_editing_controller.cc",
       "ui_base_types.cc",
     ]
+    sources += [
+      "cursor/cursors_android.cc",
+      "cursor/cursors_android.h",
+    ]
+    deps += [ "//third_party/WebKit/public:blink_cursor_headers" ]
   }
 
   # Aura clipboard.
   if (use_aura) {
     if (use_x11 && is_desktop_linux) {
       sources += [
         "clipboard/clipboard_aurax11.cc",
         "clipboard/clipboard_aurax11.h",
       ]
     } else if (!is_win && !is_android) {
@@ skipping 382 matching lines @@
   # This source set is used by both //chrome/browser and
   # //chrome/installer/setup.  It must have minimal dependencies for the latter
   # (e.g., no skia).
   source_set("fullscreen_win") {
     sources = [
       "fullscreen_win.cc",
       "fullscreen_win.h",
     ]
   }
 }