Delay load "setupapi.dll" for Bluetooth (on Windows).

Delay load "setupapi.dll" for Bluetooth (on Windows).

Pre-CL for https://codereview.chromium.org/379943003/:

We need to delay load "setupapi.dll" as device/bluetooth now uses "SetupDiGetDevicePropery" which is available on Vista+ only.

BUG=388016
TBR=keybuk@chromium.org, armansito@chromium.org

Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=282472

[rpaquay, 2014-07-10 19:52:28]

cpu@:

https://codereview.chromium.org/379943003/ was reverted because of failure on
WinXP, due to the BluetoothAPI now using "SetupDiGetDeviceProperty", which is
available on Vista+ only.

"Setupapi.dll" is already marked "delay load" for the Chrome.gyp target, but
AFAIK, making it "delay load" in "device/bluetooth/bluetooth.gyp" ensures other
targets (e.g. device_unittests, browser_tests) will also delay load it.

Another option would be to manually call GetProcAddress.

I am not sure which approach is better/recommended.

[cpu_(ooo_6.6-7.5), 2014-07-10 21:35:28]

delayload is recommended.

lgtm

[rpaquay, 2014-07-10 21:40:16]

The CQ bit was checked by rpaquay@chromium.org

[commit-bot: I haz the power, 2014-07-10 21:41:12]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/rpaquay@chromium.org/387673002/1

[commit-bot: I haz the power, 2014-07-10 23:55:01]

Change committed as 282472