[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 a4cf99ea39255fc21721cfdc9823c70b02a11328..1a31e25fc3570cbd70ff3b43493cf52d642e847d 100644
--- a/chrome/chrome_browser.gypi
+++ b/chrome/chrome_browser.gypi
@@ -1036,6 +1036,11 @@
       '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/spellchecker_submenu_observer.h',
+      'browser/renderer_context_menu/spellchecker_submenu_observer.cc',
+    ],
     # Desktop linux, doesn't count ChromeOS.
     'chrome_browser_linux_desktop_sources': [
       'browser/first_run/upgrade_util.cc',
@@ -3906,6 +3911,9 @@
             }],
           ],
         }],
+        ['OS=="linux" or OS=="win"', {
+            'sources': [ '<@(chrome_browser_non_mac_desktop_sources)' ],
+        }],
         ['desktop_linux==1', {
           'sources': [ '<@(chrome_browser_linux_desktop_sources)' ],
         }],