One part of many for enabling DOM Storage.

Add browser-process IPC code + tweak the WebKit Thread.  Note that this code can't possibly be called/run yet.

WebKitThread now has a PostIOThreadTask methods that can safely post back to the IO thread.  This should be used for all WebKit thread -> the rest of the world communication.

There are many TODOs in this code that should be resolved before this is shipped without a --enable-local-storage flag.

BUG=4360
TEST=none
Review URL: http://codereview.chromium.org/155845

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@21346 0039d316-1c4b-4281-b951-d872f2087c98
7 files changed