Update Breakpad to r428 to fix issue with symbol visibility.
Update Breakpad to r428 to fix issue with symbol visibility.

BUG=22659
TEST=1.Crash reporting on Mac should still work after this CL.  Repro steps in bug should no longer cause Chrome to crash.

Review URL: http://codereview.chromium.org/389011

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@31664 0039d316-1c4b-4281-b951-d872f2087c98

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