Fix transfer length validation in Usb Api.

Fix transfer length validation in Usb Api.

This change limits the length parameter of Usb transfers to 0-100 MB.
It introduces a new error for invalid transfer lengths.
It also correctly ignores 'data' parameter if transfer 'direction'
equals 'in', and ignores transfer 'length' parameter if 'direction'
is 'out'.

BUG=169972, 169981
TEST=browser_tests: UsbApiTest.InvalidLengthTransfer
TBR=gdk@chromium.org

Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=177857

[meacer, 2013-01-18 18:43:16]

+gdk, miket for review

[miket_OOO, 2013-01-18 20:39:03]

lgtm

https://codereview.chromium.org/11926005/diff/5001/chrome/test/data/extension...
File chrome/test/data/extensions/api_test/usb/invalid_length_transfer/test.js
(right):

https://codereview.chromium.org/11926005/diff/5001/chrome/test/data/extension...
chrome/test/data/extensions/api_test/usb/invalid_length_transfer/test.js:28: var
largeSize = 100*1024*1024 + 1;
whitespace around binary operators

[meacer, 2013-01-18 22:48:20]

https://codereview.chromium.org/11926005/diff/5001/chrome/test/data/extension...
File chrome/test/data/extensions/api_test/usb/invalid_length_transfer/test.js
(right):

https://codereview.chromium.org/11926005/diff/5001/chrome/test/data/extension...
chrome/test/data/extensions/api_test/usb/invalid_length_transfer/test.js:28: var
largeSize = 100*1024*1024 + 1;
On 2013/01/18 20:39:03, miket wrote:
> whitespace around binary operators

Done.

[commit-bot: I haz the power, 2013-01-19 02:14:24]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/meacer@chromium.org/11926005/8003

[commit-bot: I haz the power, 2013-01-19 02:28:44]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/meacer@chromium.org/11926005/8003

[commit-bot: I haz the power, 2013-01-20 00:38:17]

Change committed as 177857