DevTools: do not run GYP actions on gclient sync.

gce/uploader_iteration.sh

 #!/bin/bash
 # Copyright (c) 2013 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.
 
 # This enables bash to treat any unhandled non-zero exit codes as "exceptions"
 set -e
 source $(dirname $0)/uploader_exit_codes.sh
 
 mark_step() {
@@ skipping 97 matching lines @@
 
     if echo "$BLINK_REVISIONS_BLACKLIST" | grep -w $REVISION; then
         echo "Revision $REVISION is in the blacklist, skipping over"
         continue
     fi
 
     echo "Processing $REVISION"
     git reset --hard || exit $EXIT_BLINK_UPDATE
     git clean -df || exit $EXIT_BLINK_UPDATE
     git checkout -f $REVISION || exit $EXIT_BLINK_UPDATE
-    gclient sync -D -R || exit $EXIT_BLINK_UPDATE
+    GYP_CHROMIUM_NO_ACTION=1 gclient sync -D -R || exit $EXIT_BLINK_UPDATE
 
     echo "Running GN"
     if [ -d out/Default ]; then
         rm -rf out/Default
     fi
     mkdir -p out/Default
     echo "is_debug=false" > out/Default/args.gn
     gn gen out/Default || exit $EXIT_GYP_DEVTOOLS
 
     echo "Running ninja"
@@ skipping 49 matching lines @@
 
     echo "Creating revs file"
     ZIP_SHA1=$(sha1sum $ZIP_FILE | awk '{print $1}')
     mv $ZIP_FILE "$ZIPS_DIR/$ZIP_SHA1.zip"
     echo "$ZIP_SHA1" > "$REVS_DIR/@$REVISION"
 
     echo "Uploading to storage for revision $REVISION"
     # Comment out the line below for testing.
     gsutil -m cp -n -R $LOCAL_STORAGE_DIR/* $GS_PATH || exit $EXIT_CS_UPLOAD
 done