DevTools: Remove orphaned CSS rules [8]

See https://codereview.chromium.org/14034013

BUG=

Review URL: https://codereview.chromium.org/436583002

git-svn-id: svn://svn.chromium.org/blink/trunk@179315 bbb929c8-8fbe-4397-9dbb-9b2b20218538
DevTools: Remove orphaned CSS rules [1]

See https://codereview.chromium.org/401013002

BUG=

Review URL: https://codereview.chromium.org/433893002

git-svn-id: svn://svn.chromium.org/blink/trunk@179316 bbb929c8-8fbe-4397-9dbb-9b2b20218538
DevTools: Remove orphaned CSS rules [4]

See https://bugs.webkit.org/show_bug.cgi?id=91867

BUG=

Review URL: https://codereview.chromium.org/434603002

git-svn-id: svn://svn.chromium.org/blink/trunk@179317 bbb929c8-8fbe-4397-9dbb-9b2b20218538
Use tighter typing in editing: PlainTextRange / ReplaceNodeWithSpanCommand

Use tighter typing in editing/ to increase code readability. This CL focuses on
PlainTextRange / ReplaceNodeWithSpanCommand.

R=leviw@chromium.org, adamk@chromium.org

Review URL: https://codereview.chromium.org/430843002

git-svn-id: svn://svn.chromium.org/blink/trunk@179318 bbb929c8-8fbe-4397-9dbb-9b2b20218538
DevTools: Remove orphaned CSS rules [A]

See https://codereview.chromium.org/155823002

BUG=

Review URL: https://codereview.chromium.org/431053002

git-svn-id: svn://svn.chromium.org/blink/trunk@179319 bbb929c8-8fbe-4397-9dbb-9b2b20218538
DevTools: fix inspector/console/console-viewport-selection.html

The patch eliminates usage of viewportControl.forceItemToBeLast
in test, which seems to be a source of flakiness.

BUG=390204
TBR=vsevik

Review URL: https://codereview.chromium.org/434533003

git-svn-id: svn://svn.chromium.org/blink/trunk@179320 bbb929c8-8fbe-4397-9dbb-9b2b20218538