Reimplement titlebar autohiding to be compatible with chromium webview.

Patch Set 4: Fix code formatting

Change-Id: I4de873f7c089d4f7dede944d05f48d03000f3d99
Revert "Browser: ES translations"

This reverts commit f0f16fa3dcc7cd967cf8e2ac56c32c10ad71f53b.

Change-Id: Ide2392a20eb49bd5b245b5bdbfbb7772520def03
Browser: MS translations

Transifex import

Change-Id: I2b40e341ba6838c56bdd8c416ce5ddd0e4175d6a