Revert of Support listening for available screens for multiple presentation urls in the same frame

Revert of Support listening for available screens for multiple presentation urls in the same frame (patchset #2 id:20001 of https://codereview.chromium.org/906113002/)

Reason for revert:
Bot failure: http://build.chromium.org/p/chromium.webkit/builders/GPU%20Linux%20Builder%20%28dbg%29/builds/28448

Original issue's description:
> Support listening for available screens for multiple
> Presentation URLs on a per frame basis.
>
> This is done by associating PresentationServiceImpl
> with the RenderFrameHost. When Presentation API
> requests are passed to PresentationServiceImpl, it
> will delegate to the embedder's Media Router along
> with the frame id via the PresentationServiceDelegate
> interface.
>
> Each PresentationServiceImpl also maintains a hash
> map of Presentation URLs currently registered to
> "context" objects. These objects wait for both result
> and renderer (i.e. callback) to both be ready before
> sending the result back to renderer /
> PresentationDispatcher.
>
> Furthermore, PresentationServiceImpl listens for
> changes to the RenderFrameHost. If an out of page
> navigation occurred or if RenderFrameHost is
> being destroyed, all current Presentation URLs
> are unregistered.
>
> Also added unit tests for PresentationSerivceImpl.
>
> BUG=412331
>
> Committed: https://crrev.com/ec17a20355dbc3b05e2133c0112c332167b63ce7
> Cr-Commit-Position: refs/heads/master@{#315442}

TBR=avi@chromium.org,avayvod@chromium.org,imcheng@chromium.org,imcheng@google.com
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=412331
Committed: https://crrev.com/9e4a7ad0e922d3f6a9d648e2ac1696a5136ea87f
Cr-Commit-Position: refs/heads/master@{#315449}

[jiayl, 2015-02-10 00:19:11]

Created Revert of Support listening for available screens for multiple
presentation urls in the same frame

[commit-bot: I haz the power, 2015-02-10 00:19:39]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/908073002/1

[commit-bot: I haz the power, 2015-02-10 00:20:40]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-02-10 00:21:18]

Patchset 1 (id:??) landed as
https://crrev.com/9e4a7ad0e922d3f6a9d648e2ac1696a5136ea87f
Cr-Commit-Position: refs/heads/master@{#315449}