Clear the references to TextureRefs in GVDA::OnWillDestroyStub.

GVDA can still have references to uncleared textures when the
corresponding context is destroyed. It will trigger an assertion
in TextureManager destructor.

BUG=320703
TEST=Play local video on snow and peppy.

Review URL: https://codereview.chromium.org/77513003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@236430 0039d316-1c4b-4281-b951-d872f2087c98
Add frame_tree_node_id to navigation parameters.

This will be used to support cross-process subframe navigations.

BUG=314791
TEST=No visible behavior change.

Review URL: https://codereview.chromium.org/77673003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@236431 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 236430
SVN changes up to revision 236431
Support use_glib==0 in content

There's no need to add a log handler if we're not using glib.

BUG=318315, 318413, 170408

Review URL: https://codereview.chromium.org/77673006

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@236432 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 236432