Files.app: Show drive sync state in the progress center.

chrome/app/generated_resources.grd

Index: chrome/app/generated_resources.grd
diff --git a/chrome/app/generated_resources.grd b/chrome/app/generated_resources.grd
index fe32f7ea234e7da09e27fe0b919b3ad335d2e823..36c5e03757a620d8a45e6937f7b6f72afd5dab59 100644
--- a/chrome/app/generated_resources.grd
+++ b/chrome/app/generated_resources.grd
@@ -12477,6 +12477,9 @@ Some features may be unavailable.  Please check that the profile exists and you
       <message name="IDS_FILE_BROWSER_ZIP_UNEXPECTED_ERROR" desc="File Manager error message.">
         Zipping failed, unexpected error: $1
       </message>
+      <message name="IDS_FILE_BROWSER_SYNC_FILE_NAME" desc="File Manager status message.">
+        Syncing <ph name="FILE_NAME">$1<ex>movie.avi</ex></ph>...
+      </message>
       <message name="IDS_FILE_BROWSER_SHARE_ERROR" desc="File Manager error message when sharing a file or a directory on Drive fails because of internet connection problems.">
         Sharing failed. Check your connection and try again later.
       </message>
@@ -12505,6 +12508,9 @@ Some features may be unavailable.  Please check that the profile exists and you
       <message name="IDS_FILE_BROWSER_TRANSFER_PROGRESS_SUMMARY" desc="Summary message for mixed operation tasks above the progress bar. 'Transferring' is used here as a generic term for copying, moving, zipping, or deleting.">
         Transferring...
       </message>
+      <message name="IDS_FILE_BROWSER_SYNC_PROGRESS_SUMMARY" desc="Summary message for drive sync operation. This message can be shown without a progress bar.">
+        Syncing...
+      </message>
       <message name="IDS_FILE_BROWSER_ERROR_PROGRESS_SUMMARY" desc="Summary message for an error above the progress bar. This message may be placed at the next to ohter *_PROGERSS_SUMMARY messages.">
         1 error.
       </message>