Start building IPC fuzzer again, except when component=="shared_library".

Component builds require more work, linking is currently broken.

BUG=260848

Review URL: https://codereview.chromium.org/135973007

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@247038 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 247038
Delete some msvs_cygwin_shell:0

This is the default, so these are no-ops.

TBR=thakis@chromium.org
BUG=123026

Review URL: https://codereview.chromium.org/141693007

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@247039 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 247039