Don't put CredHandleClass in std::map directly because std::map may copy an entry to a new address while resizing, which invokes the destructor on the old entry and invalidates its address.
Don't put CredHandleClass in std::map directly because
std::map may copy an entry to a new address while resizing,
which invokes the destructor on the old entry and invalidates
its address.

R=eroman
BUG=http://crbug.com/318
TEST=none
Review URL: http://codereview.chromium.org/141011

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@18879 0039d316-1c4b-4281-b951-d872f2087c98

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