Windows Breakpad: Simplify by combining two functions
Windows Breakpad: Simplify by combining two functions

Fold InitCrashReporterMain() into InitCrashReporter().  The two used
to be separate because the former would sometimes run in a separate
thread, but the multi-threading is gone now.

Similarly, we can expand out "struct CrashReporterInfo".

BUG=111265
TEST=compile-tested

Review URL: https://chromiumcodereview.appspot.com/9474028

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@123900 0039d316-1c4b-4281-b951-d872f2087c98

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