Forbid reloading the Inspector window.

This CL disables reloading from the system menu, tab popup menu, and page context menu.

BUG=27254,6902
TEST=none

Review URL: http://codereview.chromium.org/391036

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@35275 0039d316-1c4b-4281-b951-d872f2087c98
9 files changed