[DevTools] Hide popover on window resize.

Popover is a modal element, and should be hidden on resize,
toggling fullscreen, zoom change akin to TextPrompt.

BUG=388659

Review URL: https://codereview.chromium.org/353833003

git-svn-id: svn://svn.chromium.org/blink/trunk@177092 bbb929c8-8fbe-4397-9dbb-9b2b20218538
DevTools: Fix GN build flakiness

R=yurys

Review URL: https://codereview.chromium.org/359743003

git-svn-id: svn://svn.chromium.org/blink/trunk@177093 bbb929c8-8fbe-4397-9dbb-9b2b20218538
IDL: Avoid double type-check for variadic interface type arguments

With [TypeChecking=Interface], two type-checks would be emitted for
variadic arguments; one as if the argument wasn't variadic, checking only
the first actual argument, and then another one checking each actual
argument.

Review URL: https://codereview.chromium.org/359763002

git-svn-id: svn://svn.chromium.org/blink/trunk@177094 bbb929c8-8fbe-4397-9dbb-9b2b20218538
Add an assert that TracedValue builder closes only most recently opened container

When an array or a dictionary is ended we check that there are no other open containers on top of it.

BUG=None

Review URL: https://codereview.chromium.org/356013002

git-svn-id: svn://svn.chromium.org/blink/trunk@177095 bbb929c8-8fbe-4397-9dbb-9b2b20218538
DevTools: properly support targets in LiveEditSupport

BUG=

Review URL: https://codereview.chromium.org/352953002

git-svn-id: svn://svn.chromium.org/blink/trunk@177096 bbb929c8-8fbe-4397-9dbb-9b2b20218538
DevTools: Get rid of WebInspector.debuggerModel in NetworkUISourceCodeProvider

BUG=

Review URL: https://codereview.chromium.org/356033002

git-svn-id: svn://svn.chromium.org/blink/trunk@177097 bbb929c8-8fbe-4397-9dbb-9b2b20218538