Revert of Rename BrowserActionView to ToolbarActionView

Revert of Rename BrowserActionView to ToolbarActionView (patchset #1 id:40001 of https://codereview.chromium.org/673503002/)

Reason for revert:
Failed ComponentToolbarActionsBrowserTest.ComponentToolbarActionsShowUpAndRespondToClicks
on Linux ChromiumOS Tests (dbg)(1) and Linux Tests (dbg)(1)(32).

[23680:23680:1023/150443:FATAL:browser_actions_container.cc(1021)] Check failed: model_->toolbar_items().size() == toolbar_action_views_.size() (0 vs. 1)

Original issue's description:
> Rename BrowserActionView to ToolbarActionView
> BrowserActionViews now represent significantly more than
> just Browser Actions. Rename it to ToolbarActionView.
>
> BUG=426448
>
> Committed: https://crrev.com/fdc6f645c57aa0a054166743d1614ddaf32ab4c0
> Cr-Commit-Position: refs/heads/master@{#300944}

TBR=sky@chromium.org,rdevlin.cronin@chromium.org
NOTREECHECKS=true
NOTRY=true
BUG=426448
Committed: https://crrev.com/c336bb11b60a4b5b2b087cad1ccc3d693886707c
Cr-Commit-Position: refs/heads/master@{#300964}

[yzshen1, 2014-10-23 22:36:53]

Created Revert of Rename BrowserActionView to ToolbarActionView

[commit-bot: I haz the power, 2014-10-23 22:40:20]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/675893002/1

[commit-bot: I haz the power, 2014-10-23 22:42:49]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2014-10-23 22:44:01]

Patchset 1 (id:??) landed as
https://crrev.com/c336bb11b60a4b5b2b087cad1ccc3d693886707c
Cr-Commit-Position: refs/heads/master@{#300964}