DevTools: Make error text and console.trace() label clickable.

Also prevent expanding/collapsing of a TreeElement when selecting a text with mouse.

BUG=84268
R=pfeldman, vsevik

Review URL: https://codereview.chromium.org/372953004

git-svn-id: svn://svn.chromium.org/blink/trunk@177741 bbb929c8-8fbe-4397-9dbb-9b2b20218538
Fixed issue with missing argument in PaintProfilerView.

Review URL: https://codereview.chromium.org/380583004

Review URL: https://codereview.chromium.org/380583004

git-svn-id: svn://svn.chromium.org/blink/trunk@177742 bbb929c8-8fbe-4397-9dbb-9b2b20218538