Increasing the timeout for the ChromeFrame COM message filter used in the test suite to detect whether IE is hung. It appears that a number of chrome frame tests fail on the IE8 builder because the message filter is cancelling outgoing calls.
Increasing the timeout for the ChromeFrame COM message filter used in the test suite to
detect whether IE is hung. It appears that a number of chrome frame tests fail on the IE8
builder because the message filter is cancelling outgoing calls.

BUG=none
TEST=Chromeframe tests should pass on the IE8 builder.
TBR=amit
Review URL: http://codereview.chromium.org/6693081

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@80388 0039d316-1c4b-4281-b951-d872f2087c98

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