Revert of Append playinline=chrome_inline to the store referrer on native app banner install.

Revert of Append playinline=chrome_inline to the store referrer on native app banner install. (patchset #2 id:60001 of https://codereview.chromium.org/1312343003/ )

Reason for revert:
Broke org.chromium.chrome.browser.banners.AppBannerManagerTest according to dominickn:
http://build.chromium.org/p/chromium.linux/builders/Android%20Tests%20%28dbg%29/builds/29822
http://build.chromium.org/p/chromium.linux/builders/Android%20Tests/builds/21895

Original issue's description:
> Append playinline=chrome_inline to the store referrer on native app banner install.
>
> This CL appends a marker to the store referrer to show that a native app
> install was triggered from the Chrome inline flow. This marker is always
> sent to the store, even if the site triggering an install does not
> specify a referrer.
>
> BUG=503226
>
> Committed: https://crrev.com/e55eabaaa89d6b01dd5ab9984b6d670468ca9e72
> Cr-Commit-Position: refs/heads/master@{#345730}

TBR=dfalcantara@chromium.org,dominickn@chromium.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=503226
Committed: https://crrev.com/35a21829d492dca8c61f7310f5fab36597ba0655
Cr-Commit-Position: refs/heads/master@{#345812}

[Nico, 2015-08-27 06:28:09]

Created Revert of Append playinline=chrome_inline to the store referrer on
native app banner install.

[commit-bot: I haz the power, 2015-08-27 06:28:18]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1308713007/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1308713007/1

[commit-bot: I haz the power, 2015-08-27 06:28:46]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-08-27 06:29:38]

Patchset 1 (id:??) landed as
https://crrev.com/35a21829d492dca8c61f7310f5fab36597ba0655
Cr-Commit-Position: refs/heads/master@{#345812}