[Clean up] Remove ChromeViewMsg_SearchBoxFontInformation IPC message and related code.

Font details were used by InstantNTP to render suggestions in HTML popup. We no longer use HTML popup.

BUG=272583
TEST=none
TBR=cevans@chromium.org(for render_messages.h)

Review URL: https://codereview.chromium.org/24470003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@225654 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 225654