DevTools: move DevToolsAgent/Client into content.

BUG=84078
TEST=

Review URL: http://codereview.chromium.org/7461019

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@93596 0039d316-1c4b-4281-b951-d872f2087c98
bool BrowserRenderProcessHost::WaitForUpdateMsg(
    int render_widget_id,
    const base::TimeDelta& max_delay,
    IPC::Message* msg) {
  if (child_process_launcher_.get() && child_process_launcher_->IsStarting())
    return false;

  return widget_helper_->WaitForUpdateMsg(render_widget_id, max_delay, msg);
}

bool BrowserRenderProcessHost::WaitForUpdateMsg(
    int render_widget_id,
    const base::TimeDelta& max_delay,
    IPC::Message* msg) {
  if (child_process_launcher_.get() && child_process_launcher_->IsStarting())
    return false;

  return widget_helper_->WaitForUpdateMsg(render_widget_id, max_delay, msg);
}
