ChromeOS windows are transparent by default. This allows the window header to be transparent when there is only one window on screen. This CL fixes a case where we were clobbering the window's default opacity.

BUG=312441
TEST=See bug

Review URL: https://codereview.chromium.org/56623003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@232898 0039d316-1c4b-4281-b951-d872f2087c98
Remove tools/playback_benchmark.

This hasn't been touched in substantive ways since it was added 3.5 years ago
(https://codereview.chromium.org/1515006/) and appears to be unused.

(I'm removing some infra bits that look related in
https://codereview.chromium.org/49503007/)

BUG=none
NOTRY=true

Review URL: https://codereview.chromium.org/57373008

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@232899 0039d316-1c4b-4281-b951-d872f2087c98
Fix WM_POWERBROADCAST handling

This is a follow up CL of r185433, which mistook |message| for |wparam|.
With this CL, base::PowerMonitor and base::PowerObserver become
functional again on Windows.

BUG=314477, 149059
TEST=manually done with a debugger (by disconnecting the power supply cable)

Review URL: https://codereview.chromium.org/57383002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@232900 0039d316-1c4b-4281-b951-d872f2087c98
Pass the AlternateNavInfoBarDelegate an AutocompleteMatch instead of a GURL.

This will be necessary for an upcoming change to make the infobar update the
ShortcutsBackend when the user clicks the link.

BUG=151044
TEST=none
R=sky@chromium.org

Review URL: https://codereview.chromium.org/58553003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@232901 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 232899
SVN changes up to revision 232901