Fix ScriptPreprocessor leak in inspector test case of LayoutTest.

LayoutTests/LeakExpectations

 # This file is used for tests that only need to be suppressed on the Chromium
 # WebKit Leak bots.
 #
 # This list isn't comprehensive yet, and Leak Detector bots are not tree closers atm.
 # Gardeners are welcome to touch this file, but you can ignore the failures
 # and wait for kouhei@ or hajimehoshi@ to maintain this file.
 
 # view-source:// tests are not supported by the leak detector
 crbug.com/364398 fast/frames/viewsource/viewsource-1.html [ Leak ]
 crbug.com/364398 fast/frames/viewsource/viewsource-2.html [ Leak ]
@@ skipping 20 matching lines @@
 
 # FIXME: html imports tests are flaky from extra navigation from leak detector
 crbug.com/366477 http/tests/htmlimports/redirect.html [ Failure Pass ]
 
 crbug.com/371264 virtual/deferred/inspector/timeline/timeline-window-filter.html [ Timeout ]
 crbug.com/371264 virtual/implsidepainting/inspector/timeline/timeline-window-filter.html [ Timeout ]
 # crbug.com/371264 also includes inspector/sources/debugger/callstack-placards-discarded.html as a test which times out, but now this is listed as crbug.com/376188.
 
 # The leak detector doesn't wait for worker threads to completely clean up, so leaks are expected.
 crbug.com/301515 fast/workers/worker-terminate.html [ Leak ]
-crbug.com/301515 inspector-protocol/debugger/debugger-terminate-dedicated-worker-while-paused.html [ Leak ]
 
 # -----------------------------------------------------------------
 # Untriaged but known real leaks.
 # -----------------------------------------------------------------
 
 crbug.com/327574 permissionclient/image-permissions.html [ Leak ]
 crbug.com/327574 http/tests/permissionclient/image-permissions.html [ Leak ]
 crbug.com/327574 fast/loader/data-images-with-images-disabled.html [ Leak ]
 
 crbug.com/385384 fast/dom/navigator-with-content-detached-no-crash.html [ Leak ]
 crbug.com/385384 fast/dom/navigator-detached-no-crash.html [ Leak ]
 
 # -----------------------------------------------------------------
 # Untriaged but known leaks which may be false positives.
 # -----------------------------------------------------------------
 
 crbug.com/398742 fast/workers/shared-worker-event-listener.html [ Leak ]
 crbug.com/398742 fast/workers/worker-crash-with-invalid-location.html [ Leak ]
 crbug.com/398742 http/tests/security/contentSecurityPolicy/1.1/child-src/worker-shared-allowed.html [ Leak ]
 
-crbug.com/364408 inspector/extensions/extensions-audits-content-script.html [ Leak ]
-crbug.com/364408 inspector/extensions/extensions-eval-content-script.html [ Leak ]
-crbug.com/364408 inspector/extensions/extensions-reload.html [ Leak ]
-crbug.com/364408 inspector/sources/debugger/debugger-script-preprocessor.html [ Leak ]
-crbug.com/364408 inspector/sources/debugger/live-edit-breakpoints.html [ Leak Timeout ]
-
 crbug.com/364411 fast/frames/location-observe-callback-crash.html [ Leak ]
 
 crbug.com/364417 editing/selection/selection-in-iframe-removed-crash.html [ Leak ]
 crbug.com/364417 editing/selection/user-select-js-property.html [ Leak ]
 crbug.com/364417 fast/dom/shadow/drop-event-for-input-in-shadow.html [ Leak ]
 crbug.com/364417 fast/events/touch/gesture/context-menu-on-long-tap.html [ Leak ]
 crbug.com/364417 fast/repaint/japanese-rl-selection-clear.html [ Leak ]
 crbug.com/364417 fast/text/international/hebrew-selection.html [ Leak ]
 crbug.com/364417 svg/custom/bug79798.html [ Leak ]
 crbug.com/364417 w3c/web-platform-tests/shadow-dom/elements-and-dom-objects/shadowroot-object/shadowroot-methods/test-004.html [ Leak ]
 crbug.com/364417 w3c/web-platform-tests/shadow-dom/user-interaction/ranges-and-selections/test-001.html [ Leak ]
 crbug.com/364417 w3c/web-platform-tests/shadow-dom/user-interaction/ranges-and-selections/test-002.html [ Leak ]
 
 crbug.com/366042 fast/history/history-traversal-is-asynchronous.html [ Leak ]
 
 crbug.com/364391 http/tests/misc/acid3.html [ Leak Pass ]
 
 crbug.com/366455 fast/dom/remove-svg-font-face-element-crash.xhtml [ Leak Pass ]
 crbug.com/366455 svg/W3C-SVG-1.1-SE/text-intro-05-t.svg [ Leak ]
 crbug.com/366455 svg/W3C-SVG-1.1/text-intro-01-t.svg [ Leak ]
 crbug.com/366455 svg/W3C-SVG-1.1/text-intro-04-t.svg [ Leak ]
 crbug.com/366455 svg/css/font-face-crash.html [ Leak ]
 crbug.com/366455 svg/custom/svg-fonts-fallback.xhtml [ Leak ]
 
-crbug.com/376188 http/tests/inspector/compiler-source-mapping-debug.html [ Leak ]
-crbug.com/376188 http/tests/inspector/network/load-resource-when-paused.html [ Leak ]
-crbug.com/376188 inspector-protocol/debugger/access-obsolete-frame.html [ Leak ]
-crbug.com/376188 inspector-protocol/debugger/continueToLocation.html [ Leak ]
-crbug.com/376188 inspector-protocol/debugger/debugger-evaluate-in-worker-while-pause-in-page.html [ Leak ]
-crbug.com/376188 inspector-protocol/debugger/debugger-setVariableValue.html [ Leak ]
-crbug.com/376188 inspector-protocol/debugger/getStepInPositions.html [ Leak ]
-crbug.com/376188 inspector-protocol/debugger/postMessage-on-pause.html [ Leak ]
-crbug.com/376188 inspector-protocol/debugger/setScriptSource.html [ Leak ]
-crbug.com/376188 inspector-protocol/debugger/updateCallFrameScopes.html [ Leak ]
-crbug.com/376188 inspector-protocol/loading-iframe-document-node.html [ Leak ]
-crbug.com/376188 inspector-protocol/runtime/runtime-getProperties.html [ Leak ]
-crbug.com/376188 inspector/console/console-api-on-call-frame.html [ Leak ]
-crbug.com/376188 inspector/console/console-error-on-call-frame.html [ Leak ]
-crbug.com/376188 inspector/console/console-format.html [ Leak ]
-crbug.com/376188 inspector/console/console-native-function.html [ Leak ]
-crbug.com/376188 inspector/console/console-save-to-temp-var.html [ Leak ]
-crbug.com/376188 inspector/sources/debugger/async-callstack-and-framework-black-box.html [ Leak ]
-crbug.com/376188 inspector/sources/debugger/async-callstack-eval.html [ Leak ]
-crbug.com/376188 inspector/sources/debugger/async-callstack-middle-run.html [ Leak ]
-crbug.com/376188 inspector/sources/debugger/async-callstack-mutation-observer.html [ Leak ]
-crbug.com/376188 inspector/sources/debugger/async-callstack-scopes.html [ Leak ]
-crbug.com/376188 inspector/sources/debugger/async-callstack-xhrs.html [ Leak ]
-crbug.com/376188 inspector/sources/debugger/async-callstack.html [ Leak ]
-crbug.com/376188 inspector/sources/debugger/callstack-placards-discarded.html [ Leak Timeout ]
-crbug.com/376188 inspector/sources/debugger/copy-stack-trace.html [ Leak ]
-crbug.com/376188 inspector/sources/debugger/custom-element-lifecycle-events.html [ Leak ]
-crbug.com/376188 inspector/sources/debugger/debug-console-command.html [ Leak ]
-crbug.com/376188 inspector/sources/debugger/debug-inlined-scripts-fragment-id.html [ Leak ]
-crbug.com/376188 inspector/sources/debugger/debug-inlined-scripts.html [ Leak ]
-crbug.com/376188 inspector/sources/debugger/debugger-activation-crash2.html [ Leak ]
-crbug.com/376188 inspector/sources/debugger/debugger-change-variable.html [ Leak ]
-crbug.com/376188 inspector/sources/debugger/debugger-command-line-api.html [ Leak ]
-crbug.com/376188 inspector/sources/debugger/debugger-completions-on-call-frame.html [ Leak ]
-crbug.com/376188 inspector/sources/debugger/debugger-eval-on-call-frame.html [ Leak ]
-crbug.com/376188 inspector/sources/debugger/debugger-eval-while-paused.html [ Leak ]
-crbug.com/376188 inspector/sources/debugger/debugger-expand-scope.html [ Leak ]
-crbug.com/376188 inspector/sources/debugger/debugger-no-nested-pause.html [ Leak ]
-crbug.com/376188 inspector/sources/debugger/debugger-no-pause-on-antibreakpoint.html [ Leak ]
-crbug.com/376188 inspector/sources/debugger/debugger-pause-in-eval-script.html [ Leak ]
-crbug.com/376188 inspector/sources/debugger/debugger-pause-in-internal.html [ Leak ]
-crbug.com/376188 inspector/sources/debugger/debugger-pause-on-blocked-event-handler.html [ Leak ]
-crbug.com/376188 inspector/sources/debugger/debugger-pause-on-blocked-script-injection.html [ Leak ]
-crbug.com/376188 inspector/sources/debugger/debugger-pause-on-blocked-script-url.html [ Leak ]
-crbug.com/376188 inspector/sources/debugger/debugger-pause-on-debugger-statement.html [ Leak ]
-crbug.com/376188 inspector/sources/debugger/debugger-pause-on-exception.html [ Leak ]
-crbug.com/376188 inspector/sources/debugger/debugger-pause-on-failed-assertion.html [ Leak ]
-crbug.com/376188 inspector/sources/debugger/debugger-pause-with-overrides.html [ Leak ]
-crbug.com/376188 inspector/sources/debugger/debugger-proto-property.html [ Leak ]
-crbug.com/376188 inspector/sources/debugger/debugger-reload-on-pause.html [ Leak ]
-crbug.com/376188 inspector/sources/debugger/debugger-return-value.html [ Leak ]
-crbug.com/376188 inspector/sources/debugger/debugger-set-breakpoint-regex.html [ Leak ]
-crbug.com/376188 inspector/sources/debugger/debugger-step-in.html [ Leak ]
-crbug.com/376188 inspector/sources/debugger/debugger-step-into-custom-element-callbacks.html [ Leak ]
-crbug.com/376188 inspector/sources/debugger/debugger-step-into-event-listener.html [ Leak ]
-crbug.com/376188 inspector/sources/debugger/debugger-step-out.html [ Leak ]
-crbug.com/376188 inspector/sources/debugger/debugger-step-over.html [ Leak ]
-crbug.com/376188 inspector/sources/debugger/debugger-suspend-active-dom-objects.html [ Leak ]
-crbug.com/376188 inspector/sources/debugger/dom-breakpoints.html [ Leak ]
-crbug.com/376188 inspector/sources/debugger/dynamic-scripts-breakpoints.html [ Leak ]
-crbug.com/376188 inspector/sources/debugger/eval-on-pause-blocked.html [ Leak ]
-crbug.com/376188 inspector/sources/debugger/event-listener-breakpoints.html [ Leak ]
-crbug.com/376188 inspector/sources/debugger/frameworks-dom-xhr-event-breakpoints.html [ Leak ]
-crbug.com/376188 inspector/sources/debugger/frameworks-skip-step-in.html [ Leak ]
-crbug.com/376188 inspector/sources/debugger/frameworks-steppings.html [ Leak ]
-crbug.com/376188 inspector/sources/debugger/frameworks-with-async-callstack.html [ Leak ]
-crbug.com/376188 inspector/sources/debugger/function-details.html [ Leak ]
-crbug.com/376188 inspector/sources/debugger/function-display-name-call-stack.html [ Leak ]
-crbug.com/376188 inspector/sources/debugger/js-with-inline-stylesheets.html [ Leak ]
-crbug.com/376188 inspector/sources/debugger/live-edit-no-reveal.html [ Leak ]
-crbug.com/376188 inspector/sources/debugger/live-edit.html [ Leak ]
-crbug.com/376188 inspector/sources/debugger/mutation-observer-suspend-while-paused.html [ Leak ]
-crbug.com/376188 inspector/sources/debugger/pause-in-inline-script.html [ Leak ]
-crbug.com/376188 inspector/sources/debugger/pause-in-internal-script.html [ Leak ]
-crbug.com/376188 inspector/sources/debugger/properties-special.html [ Leak ]
-crbug.com/376188 inspector/sources/debugger/reveal-execution-line.html [ Leak ]
-crbug.com/376188 inspector/sources/debugger/reveal-not-skipped.html [ Leak ]
-crbug.com/376188 inspector/sources/debugger/script-formatter-breakpoints-1.html [ Leak ]
-crbug.com/376188 inspector/sources/debugger/script-formatter-breakpoints-2.html [ Leak ]
-crbug.com/376188 inspector/sources/debugger/script-formatter-breakpoints-3.html [ Leak ]
-crbug.com/376188 inspector/sources/debugger/selected-call-frame-after-formatting-source.html [ Leak ]
-crbug.com/376188 inspector/sources/debugger/set-breakpoint.html [ Leak ]
-crbug.com/376188 inspector/sources/debugger/skip-pauses-until-reload.html [ Leak ]
-crbug.com/376188 inspector/sources/debugger/skip-stack-frames-steps.html [ Leak ]
-crbug.com/376188 inspector/sources/debugger/step-through-event-listeners.html [ Leak ]
-crbug.com/376188 inspector/sources/debugger/watch-expressions-panel-switch.html [ Leak ]
-crbug.com/376188 inspector/sources/debugger/xhr-breakpoints.html [ Leak ]
-
 # Resource leak
 crbug.com/402743 http/tests/xmlhttprequest/xmlhttprequest-sync-vs-async-assertion-failure.html [ Leak ]
 crbug.com/402743 http/tests/xmlhttprequest/xmlhttprequest-leaks-on-multiple-send.html [ Leak ]
 
 # AudioNode leak
 crbug.com/402742 webaudio/panner-loop.html [ Leak ]