The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/d589e0426d993a07c1d12ae685152b756e8fd3ff

commit d589e0426d993a07c1d12ae685152b756e8fd3ff
Author: dtapuska <dtapuska@chromium.org>
Date: Fri Jun 03 05:55:09 2016

Add ability to toggle passive state on an individual event listener.

Add a button to allow the toggle of the passive state on a listener.
It is not implemented for framework listeners yet since this will likely
interfere with the dipsatching of events in jquery if it was enabled.

BUG= 615480 

Review-Url: https://codereview.chromium.org/2022503002
Cr-Commit-Position: refs/heads/master@{#397643}

[modify] https://crrev.com/d589e0426d993a07c1d12ae685152b756e8fd3ff/third_party/WebKit/LayoutTests/inspector/elements/event-listener-sidebar-expected.txt
[modify] https://crrev.com/d589e0426d993a07c1d12ae685152b756e8fd3ff/third_party/WebKit/LayoutTests/inspector/elements/event-listeners-about-blank-expected.txt
[modify] https://crrev.com/d589e0426d993a07c1d12ae685152b756e8fd3ff/third_party/WebKit/Source/devtools/front_end/components/EventListenersUtils.js
[modify] https://crrev.com/d589e0426d993a07c1d12ae685152b756e8fd3ff/third_party/WebKit/Source/devtools/front_end/components/EventListenersView.js
[modify] https://crrev.com/d589e0426d993a07c1d12ae685152b756e8fd3ff/third_party/WebKit/Source/devtools/front_end/components/eventListenersView.css
[modify] https://crrev.com/d589e0426d993a07c1d12ae685152b756e8fd3ff/third_party/WebKit/Source/devtools/front_end/elements/EventListenersWidget.js
[modify] https://crrev.com/d589e0426d993a07c1d12ae685152b756e8fd3ff/third_party/WebKit/Source/devtools/front_end/sdk/RemoteObject.js
[modify] https://crrev.com/d589e0426d993a07c1d12ae685152b756e8fd3ff/third_party/WebKit/Source/devtools/front_end/sdk/RuntimeModel.js
[modify] https://crrev.com/d589e0426d993a07c1d12ae685152b756e8fd3ff/third_party/WebKit/Source/devtools/front_end/sources/ObjectEventListenersSidebarPane.js