Remove net/base/io_buffer.h include from usb_device_handle.h.

net::IOBuffer should be forward declared. This requires a number of
source files to add their own includes where they use net::IOBuffer.

BUG=None

Review URL: https://codereview.chromium.org/1642493005

Cr-Commit-Position: refs/heads/master@{#371955}
11 files changed