add sync_performance_tests to chromium_builder_perf dependencies

BUG=90441
TEST=sync_performance_tests


Review URL: http://codereview.chromium.org/7520003

git-svn-id: http://src.chromium.org/svn/trunk/src/build@94367 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

all.gyp

@@ -268,6 +268,7 @@
         '../chrome/chrome.gyp:performance_ui_tests',
         '../chrome/chrome.gyp:plugin_tests',
         '../chrome/chrome.gyp:startup_tests',
+        '../chrome/chrome.gyp:sync_performance_tests',
         '../chrome/chrome.gyp:tab_switching_test',
         '../chrome/chrome.gyp:ui_tests', # needed for dromaeo, sunspider, v8
         '../chrome/chrome.gyp:url_fetch_test',