Make signature for 31936 more general, so as to capture more stack traces.
Make signature for 31936 more general, so as to capture more stack traces.

See http://build.chromium.org/p/chromium/builders/Win%20Reliability/builds/6518


BUG=31936
TEST=no test

Review URL: http://codereview.chromium.org/8118002

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@103718 0039d316-1c4b-4281-b951-d872f2087c98

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