Revert of Update references to Mac- and Win-specific icon files in official build. (https://codereview.chromium.org/138553005/)

Reason for revert:
breaks official win and mac bots

Original issue's description:
> Update references to Mac- and Win-specific icon files in official build.
> 
> In the internal repository, several Mac- and Windows-specific icon files
> have been moved into 'mac' and 'win' subdirectories in
> chrome/app/theme/google_chrome. This updates the references to those
> icons to refer to their new location.
> 
> BUG=333751
> 
> Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=245863

TBR=oshima@chromium.org,cpu@chromium.org,mgiuca@chromium.org
NOTREECHECKS=true
NOTRY=true
BUG=333751

Review URL: https://codereview.chromium.org/143153002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@245872 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 245872