Transition modules/** to use ExceptionState

Second try, now with debug asserts fixed

BUG=252233
TBR=abarth

Review URL: https://codereview.chromium.org/19778005

git-svn-id: svn://svn.chromium.org/blink/trunk@154656 bbb929c8-8fbe-4397-9dbb-9b2b20218538
DevTools: Fix big font in Sources tabbed pane chevron dropdown menu.

BUG=262018
R=apavlov@chromium.org

Review URL: https://codereview.chromium.org/19934004

git-svn-id: svn://svn.chromium.org/blink/trunk@154657 bbb929c8-8fbe-4397-9dbb-9b2b20218538
Add 'getBacktrace' to protocol

This is a successor for https://chromiumcodereview.appspot.com/19064004/

Review URL: https://chromiumcodereview.appspot.com/19543015

git-svn-id: svn://svn.chromium.org/blink/trunk@154658 bbb929c8-8fbe-4397-9dbb-9b2b20218538
Revert 'anti-breakpoints' in UI

Review URL: https://chromiumcodereview.appspot.com/19700004

git-svn-id: svn://svn.chromium.org/blink/trunk@154659 bbb929c8-8fbe-4397-9dbb-9b2b20218538
Delete FrameLoaderClient::dispatchDidFailLoading. It's only used in tests.

BUG=none

Review URL: https://chromiumcodereview.appspot.com/19811004

git-svn-id: svn://svn.chromium.org/blink/trunk@154660 bbb929c8-8fbe-4397-9dbb-9b2b20218538
Clarify FrameLoader's load starting functions

Rename loadItem() to loadHistoryItem()

Change reload() to take an enum instead of a boolean to indicate whether it is
an end to end reload.

BUG=none

Review URL: https://chromiumcodereview.appspot.com/19765007

git-svn-id: svn://svn.chromium.org/blink/trunk@154661 bbb929c8-8fbe-4397-9dbb-9b2b20218538