Replace ASSERT(!isScriptForbbiden()) in MicroTaskSuppression with RELEASE_ASSERT

We normally use RELEASE_ASSERT for checking !isScriptForbbiden() because executing
a script in places where script execution is not allowed can lead to security issues.

Review URL: https://codereview.chromium.org/1304103002

git-svn-id: svn://svn.chromium.org/blink/trunk@200984 bbb929c8-8fbe-4397-9dbb-9b2b20218538
1 file changed