[win/cros/lin] Add back the spellcheck menu.

chrome/chrome_browser.gypi

Index: chrome/chrome_browser.gypi
diff --git a/chrome/chrome_browser.gypi b/chrome/chrome_browser.gypi
index a9681c052b0165ef69c2556dc72d48e3aa313d51..06a5bc4eb5bb1d543e7d94e96972dba8005d2a30 100644
--- a/chrome/chrome_browser.gypi
+++ b/chrome/chrome_browser.gypi
@@ -1044,6 +1044,11 @@
       'browser/browser_process_platform_part_base.cc',
       'browser/browser_process_platform_part_base.h',
     ],
+    # Desktop Linux, ChromeOS, and Windows.
+    'chrome_browser_non_mac_desktop_sources': [
+      'browser/renderer_context_menu/spelling_options_submenu_observer.h',
+      'browser/renderer_context_menu/spelling_options_submenu_observer.cc',
+    ],
     # Desktop linux, doesn't count ChromeOS.
     'chrome_browser_linux_desktop_sources': [
       'browser/first_run/upgrade_util.cc',
@@ -3907,6 +3912,9 @@
             }],
           ],
         }],
+        ['OS=="linux" or OS=="win"', {
+            'sources': [ '<@(chrome_browser_non_mac_desktop_sources)' ],
+        }],
         ['desktop_linux==1', {
           'sources': [ '<@(chrome_browser_linux_desktop_sources)' ],
         }],