Avoid an extra if() which is not required and is wrong
Avoid an extra if() which is not required and is wrong

Info:
a) args[i] is uninitialized for (i >= ipc_params->GetParamsCount())
  and sometimes for smaller (i) as well (see GetArgs()).
  Hence, if() is wrong.
b) However, when args[i] is uninitialized the ipc_params->args[i] holds INVALID_TYPE.
  Hence, the if() is redundant.

BUG=87078
TEST=no more uninit reports under Dr. Memory

Review URL: http://codereview.chromium.org/7234009

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@90742 0039d316-1c4b-4281-b951-d872f2087c98

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