DevTools: Add distance column to the containment view of heap snapshot.

R=yurys@chromium.org

Review URL: https://codereview.chromium.org/18060003

git-svn-id: svn://svn.chromium.org/blink/trunk@153500 bbb929c8-8fbe-4397-9dbb-9b2b20218538
DevTools: [FlameChart] change cursor style when it hovers a bar with js function.

We can jump to the source when node has scriptId.

BUG=none
R=yurys@chromium.org

Review URL: https://codereview.chromium.org/18642002

git-svn-id: svn://svn.chromium.org/blink/trunk@153501 bbb929c8-8fbe-4397-9dbb-9b2b20218538
DevTools: Resources loaded for frontend through backend should be shown correctly in network panel.

BUG=256156

Review URL: https://chromiumcodereview.appspot.com/18641002

git-svn-id: svn://svn.chromium.org/blink/trunk@153502 bbb929c8-8fbe-4397-9dbb-9b2b20218538