Valgrind: Suppress a leak in ExtensionDispatcher::OnSetFunctionNames.
Valgrind: Suppress a leak in ExtensionDispatcher::OnSetFunctionNames.

BUG=109353
TEST=none
TBR=jhawkins
Review URL: http://codereview.chromium.org/9112027

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@116620 0039d316-1c4b-4281-b951-d872f2087c98

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