Move searchbox most visited items related IPC msg handlers from InstantPage to SearchIPCRouter.

BUG=272583
TEST=none

Review URL: https://codereview.chromium.org/24560006

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@227364 0039d316-1c4b-4281-b951-d872f2087c98
Add better help information to quic_client and quic_server.
Also, modify the quic_client to print out the response contents.

Merge internal change: 53403247

Review URL: https://codereview.chromium.org/25043005

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@227365 0039d316-1c4b-4281-b951-d872f2087c98
Darwin 13 is Mac OS X 10.9.

BUG=none
TEST=less annoying logging

Review URL: https://codereview.chromium.org/26316003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@227366 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 227365
Suppress leaks introduced by 227345

r227345 introduced leaksanitizer leaks within cast_socket_unittest

BUG=304970
NOTRY=true

Review URL: https://codereview.chromium.org/26378002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@227367 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 227367