Bug fix: Translate bubble should be shown at the 'last' window, not the 'active' window

With the bubble shown, any browser windows are NOT activated because the bubble takes the focus from the other widgets including the browser windows. The bubble should be shown at the last-activated window.

BUG=323816
TEST=browser_tests --gtest_filter=TranslateManagerBrowserTest.*

Review URL: https://codereview.chromium.org/90803002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@237545 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 237545
Parameterize FlipSpdyTest with SPDY version.

Parameterize FlipSpdyTest with SPDY version in preparation for Flip
Server with SPDY4.
The actual behavior does not change.

BUG=267354
R=rch@chromium.org

Review URL: https://codereview.chromium.org/82513004

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@237546 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 237546