Code:  int SocketStream::DoBeforeConnect() {
   next_state_ = STATE_BEFORE_CONNECT_COMPLETE;
  if (!context_.get() || !context_->network_delegate()) {
     return OK;
  }
 
   int result = context_->network_delegate()->NotifyBeforeSocketStreamConnect(
       this, io_callback_);
  if (result != OK && result != ERR_IO_PENDING)
    next_state_ = STATE_CLOSE;

  return result;
}

Vulnerability Type: Exec Code 
CWE ID: CWE-399
Summary: Use-after-free vulnerability in Google Chrome before 28.0.1500.71 allows remote servers to execute arbitrary code via crafted response traffic after a URL request.
Commit Message: Revert a workaround commit for a Use-After-Free crash.

Revert a workaround commit r20158 for a Use-After-Free issue (http://crbug.com/244746) because a cleaner CL r207218 is landed.
URLRequestContext does not inherit SupportsWeakPtr now.

R=mmenke
BUG=244746

Review URL: https://chromiumcodereview.appspot.com/16870008

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@207811 0039d316-1c4b-4281-b951-d872f2087c98