Boilerplate code to add chrome://syncfs-internals page for debugging.

chrome/chrome_resources.gyp

Index: chrome/chrome_resources.gyp
diff --git a/chrome/chrome_resources.gyp b/chrome/chrome_resources.gyp
index ab0d3b8a84db3fc8bb96042b9149e8b2a9ce3d3e..3cb6909bd1958f095bb4ab746211246ec362303c 100644
--- a/chrome/chrome_resources.gyp
+++ b/chrome/chrome_resources.gyp
@@ -12,7 +12,7 @@
       'target_name': 'chrome_extra_resources',
       'type': 'none',
       # These resources end up in resources.pak because they are resources
-      # used by internal pages.  Putting them in a spearate pak file makes
+      # used by internal pages.  Putting them in a separate pak file makes
       # it easier for us to reference them internally.
       'actions': [
         {
@@ -80,6 +80,13 @@
               },
               'includes': [ '../build/grit_action.gypi' ]
             },
+            {
+              'action_name': 'sync_file_system_internals_resources',
+              'variables': {
+                'grit_grd_file': 'browser/resources/sync_file_system_internals_resources.grd',
+              },
+              'includes': [ '../build/grit_action.gypi' ],
+            },
           ],
           'copies': [
             {