Fix DCHECK caused by Task Manager assuming all requests have a render view.

Fix DCHECK caused by Task Manager assuming all requests have a render view.

BUG=69883
TEST=Display Task Manager while one or more tabs are open, and start typing into the Omnibox of one of them.

Committed: http://src.chromium.org/viewvc/chrome?view=rev&revision=71807

[Wez, 2011-01-18 22:33:00]

This is a one-liner addressing a recent DCHECK issue introduced during cleanup
for Coverity.

[Nico, 2011-01-19 16:39:36]

LG with comment addressed.

http://codereview.chromium.org/6240006/diff/1/chrome/browser/task_manager/tas...
File chrome/browser/task_manager/task_manager.cc (right):

http://codereview.chromium.org/6240006/diff/1/chrome/browser/task_manager/tas...
chrome/browser/task_manager/task_manager.cc:893: &routing_id)) {
Add a comment describing when this happens.

[brettw, 2011-01-19 21:59:39]

LGTM2

[brettw, 2011-01-19 21:59:40]

LGTM2