Throw 'SecurityError' when calling window properties cross-origin.

Currently, we're returning 'undefined' when responding to a cross-origin
'call()' on window properties. We should match Gecko's behavior by
throwing a SecurityError in these cases.

'{add/remove}EventListener' are handled in a separate patch.

BUG=17325

Review URL: https://chromiumcodereview.appspot.com/24145008

git-svn-id: svn://svn.chromium.org/blink/trunk@158183 bbb929c8-8fbe-4397-9dbb-9b2b20218538
DevTools: introduce a buffering mode in timeline.

BUG=295334
R=caseq@chromium.org

Review URL: https://codereview.chromium.org/24342002

git-svn-id: svn://svn.chromium.org/blink/trunk@158184 bbb929c8-8fbe-4397-9dbb-9b2b20218538