DevTools: derive scale from current viewport size.

R=vsevik@chromium.org

Review URL: https://codereview.chromium.org/23623013

git-svn-id: svn://svn.chromium.org/blink/trunk@156988 bbb929c8-8fbe-4397-9dbb-9b2b20218538
DevTools "Event Listener Breakpoints" doesn't include hashchange

BUG=272733
R=vsevik@chromium.org

Review URL: https://codereview.chromium.org/23812003

git-svn-id: svn://svn.chromium.org/blink/trunk@156989 bbb929c8-8fbe-4397-9dbb-9b2b20218538
Introduce InspectorFrontendHost.sendMessageToFrontendHost.

BUG=278002

Review URL: https://chromiumcodereview.appspot.com/23289002

git-svn-id: svn://svn.chromium.org/blink/trunk@156990 bbb929c8-8fbe-4397-9dbb-9b2b20218538
DevTools: fix eval-in-console not working sometimes

This patch normalizes retrieved text editor selection in certain cases.

BUG=265687

Review URL: https://chromiumcodereview.appspot.com/23441019

git-svn-id: svn://svn.chromium.org/blink/trunk@156991 bbb929c8-8fbe-4397-9dbb-9b2b20218538
DevTools: focus on node after editing as html

This patch brings focus to Elements tree outline after editing a node
so that one can use arrow keys to continue navigation through dom tree.

BUG=

Review URL: https://chromiumcodereview.appspot.com/23532014

git-svn-id: svn://svn.chromium.org/blink/trunk@156992 bbb929c8-8fbe-4397-9dbb-9b2b20218538