Remove chromeos specific debug code from tuple.h  This should have been removed as a part of 71680, but seems like I overlooked it.
Remove chromeos specific debug code from tuple.h
 This should have been removed as a part of 71680, but seems like I overlooked it.

BUG=7327
TEST=none


Review URL: http://codereview.chromium.org/8037050

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@103063 0039d316-1c4b-4281-b951-d872f2087c98

gavinp/chromium,gavinp/chromium,adobe/chromium,adobe/chromium,adobe/chromium,gavinp/chromium,gavinp/chromium,ropik/chromium,adobe/chromium,yitian134/chromium,yitian134/chromium,ropik/chromium,yitian134/chromium,adobe/chromium,adobe/chromium,yitian134/chromium,yitian134/chromium,gavinp/chromium,adobe/chromium,ropik/chromium,gavinp/chromium,ropik/chromium,gavinp/chromium,ropik/chromium,gavinp/chromium,yitian134/chromium,ropik/chromium,adobe/chromium,gavinp/chromium,ropik/chromium,yitian134/chromium,ropik/chromium,yitian134/chromium,ropik/chromium,gavinp/chromium,yitian134/chromium,adobe/chromium,adobe/chromium,yitian134/chromium,adobe/chromium