Name: tcmalloc Short Name: google-perftools URL: http://google-perftools.googlecode.com/ Version: unknown Revision: 109 Security Critical: yes Description: This contains Chromium's locally patched copy of tcmalloc. Contents: chromium/ The chromium patched sources, copied from the vendor/ subdirectory and containing our local modifications. We only copy over the vendor/src/ subdirectory (the only piece we need) but still leave it in a chromium/src/ subdirectory to keep the directory structures in parallel. vendor/ Vanilla sources from upstream: http://google-perftools.googlecode.com/svn/trunk The current revision is: Last Changed Rev: 111 Last Changed Date: 2011-07-16 05:07:10 +0400 (Sat, 16 Jul 2011) HOWTOs: Take a new version from upstream: 1) Grab the revision: $ svn export [-r {tcmalloc-rev}] \ http://google-perftools.googlecode.com/svn/trunk \ vendor-{tcmalloc-rev} 2) Check for added or deleted files: $ diff -q -r -x .svn vendor vendor-{tcmalloc-rev} 3) Copy the new revision on top of the checked-in vendor branch: $ cp -r vendor-{tcmalloc-rev}/* vendor C:\> xcopy /e/y/i vendor-{tcmalloc-rev}\* vendor 4) "svn add" or "svn rm" added or removed files (based on your "diff -q -r" output from above) 5) Create the CL, upload, check it in: $ gcl change CL $ gcl upload CL $ gcl commit CL Note the revision number since you're going to want to merge that to the local chromium branch. Merge a new upstream version with our local patched copy: 1) Merge the local revision to chromium/src $ svn merge -c {chrome-rev} svn://chrome-svn/chrome/trunk/src/third_party/tcmalloc/vendor/src chromium/src 2) Resolve any conflicts 3) Create the CL, upload, check in: $ gcl change CL $ gcl upload CL $ gcl commit CL