Add toolchain directory to *.dll name generated by GN.

This allows to have the same shared library compiled by
multiple toolchains.

BUG= none
TEST= gn_unittest, create a copy of windows toolchain and
  add references to the same library compiled by normal
  and copied toolchain.

Review URL: https://codereview.chromium.org/144033002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@246302 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 246302
[SyncFS] Move FakeDriveUploader to drive_backend directory

BUG=331991

Review URL: https://codereview.chromium.org/144073005

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@246303 0039d316-1c4b-4281-b951-d872f2087c98
Shows a different message for the resolution fallback.

R=oshima@chromium.org
BUG=335831
TEST=ash_unittests

Review URL: https://codereview.chromium.org/144303002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@246304 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 246303
[SyncFS] Add FakeDriveServiceHelper::RenameResource

Add a test utility function for Sync FileSystem.

BUG=331988

Review URL: https://codereview.chromium.org/144833002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@246305 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 246305