Enable RenderWidgetHostViewAuraCopyRequestTest.DestroyedAfterCopyRequest

Prevent raciness by waiting in the RunLoop until the video tab
capture readback code completes and the callback executes.

Avoid a GL error from trying to perform readback operations on a
texture mailbox in the result that has a 0x0 size.

R=sievers
BUG=347311,270918

Review URL: https://codereview.chromium.org/182253005

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@254043 0039d316-1c4b-4281-b951-d872f2087c98
The "icon-tasks" KDE task manager Plasmoid understands the Unity Launcher API, but the download progress isn't shown on it.

This patch enables the progress reporting codepath based on libunity for KDE4 too.

In the worst case (no "icon-tasks" running or no libunity installed on the system), nothing bad happens.

BUG=338204

Review URL: https://codereview.chromium.org/181003011

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@254044 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 254044
Roll ANGLE DEPS.

Changes include a security fix, fixes for WebGL Tactile, and unit
test failure fix.

BUG=346463,346489,344043

Review URL: https://codereview.chromium.org/176823008

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@254045 0039d316-1c4b-4281-b951-d872f2087c98
Update .DEPS.git

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@254046 0039d316-1c4b-4281-b951-d872f2087c98
Cast: Add a unit test for connect to an invalid receiver

This test ensures that the status callback is called if there is a
socket error.

BUG=345929

Review URL: https://codereview.chromium.org/180333003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@254047 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 254046
SVN changes up to revision 254047