Add icons for palette.

ui/gfx/vector_icons_sources.gypi

 # Copyright 2016 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.
 
 {
   'variables': {
     'common': [
       'vector_icons/account_box.icon',
       'vector_icons/account_child_invert.icon',
       'vector_icons/account_circle.icon',
       'vector_icons/apps.icon',
       'vector_icons/autologin.icon',
       'vector_icons/bar_close.1x.icon',
       'vector_icons/bar_close.icon',
       'vector_icons/blocked_badge.icon',
       'vector_icons/browser_tools.1x.icon',
       'vector_icons/browser_tools.icon',
       'vector_icons/browser_tools_error.1x.icon',
       'vector_icons/browser_tools_error.icon',
       'vector_icons/browser_tools_update.1x.icon',
       'vector_icons/browser_tools_update.icon',
       'vector_icons/browser_tools_warning.1x.icon',
       'vector_icons/browser_tools_warning.icon',
       'vector_icons/business.icon',
+      'vector_icons/check.icon',
       'vector_icons/check_circle.icon',
       'vector_icons/checkbox_active.icon',
       'vector_icons/checkbox_normal.icon',
       'vector_icons/chrome_product.icon',
       'vector_icons/close_all.icon',
       'vector_icons/code.icon',
       'vector_icons/combobox_arrow_mac_disabled.icon',
       'vector_icons/combobox_arrow_mac_enabled.icon',
       'vector_icons/cookie.icon',
       'vector_icons/crashed_tab.icon',
@@ skipping 62 matching lines @@
       'vector_icons/omnibox_extension_app.1x.icon',
       'vector_icons/omnibox_extension_app.icon',
       'vector_icons/omnibox_http.icon',
       'vector_icons/omnibox_keyword_search.icon',
       'vector_icons/omnibox_search.icon',
       'vector_icons/omnibox_star.1x.icon',
       'vector_icons/omnibox_star.icon',
       'vector_icons/overflow_chevron.1x.icon',
       'vector_icons/overflow_chevron.icon',
       'vector_icons/paintbrush.icon',
+      'vector_icons/palette_capture_region.1x.icon',
+      'vector_icons/palette_capture_region.icon',
+      'vector_icons/palette_capture_screen.1x.icon',
+      'vector_icons/palette_capture_screen.icon',
+      'vector_icons/palette_default_behavior.1x.icon',
+      'vector_icons/palette_default_behavior.icon',
+      'vector_icons/palette_magnify_behavior.1x.icon',
+      'vector_icons/palette_magnify_behavior.icon',
+      'vector_icons/palette_magnify_mode.1x.icon',
+      'vector_icons/palette_magnify_mode.icon',
+      'vector_icons/palette_presentation_behavior.1x.icon',
+      'vector_icons/palette_presentation_behavior.icon',
+      'vector_icons/palette_presentation_mode.1x.icon',
+      'vector_icons/palette_presentation_mode.icon',
       'vector_icons/pdf.1x.icon',
       'vector_icons/pdf.icon',
       'vector_icons/photo_camera.icon',
       'vector_icons/protocol_handler.icon',
       'vector_icons/radio_button_active.icon',
       'vector_icons/radio_button_normal.icon',
       'vector_icons/remove_box.icon',
       'vector_icons/remove_circle.icon',
       'vector_icons/sad_tab.icon',
       'vector_icons/settings.icon',
@@ skipping 70 matching lines @@
       'vector_icons/window_control_minimize.icon',
       'vector_icons/window_control_restore.1x.icon',
       'vector_icons/window_control_restore.icon',
       'vector_icons/window_control_right_snapped.1x.icon',
       'vector_icons/window_control_right_snapped.icon',
       'vector_icons/zoom_minus.icon',
       'vector_icons/zoom_plus.icon',
     ],
   },
 }