LocationBarView: Add a CHECK to help debug a crash.

BUG=101994
TEST=none

R=sky@chromium.org

Review URL: http://codereview.chromium.org/8418010

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@107637 0039d316-1c4b-4281-b951-d872f2087c98

chrome/browser/ui/views/location_bar/location_bar_view.cc

@@ -471,6 +471,9 @@ void LocationBarView::Layout() {
   if (!location_entry_.get())
     return;
 
+  // TODO(jhawkins): Remove once crbug.com/101994 is fixed.
+  CHECK(location_icon_view_);
+
   // TODO(sky): baseline layout.
   int location_y = kVerticalEdgeThickness;
   // In some cases (e.g. fullscreen mode) we may have 0 height.  We still want