Reviewed by Pavel Feldman.

        Web Inspector: introduce WorkerInspectorController
        https://bugs.webkit.org/show_bug.cgi?id=58668

        WorkerInspectorController will be owned by WorkerContext and will hold all inspector
        agents and will also manage connection to the inspector frontend.

        * CMakeLists.txt:
        * GNUmakefile.list.am:
        * WebCore.gypi:
        * WebCore.pro:
        * WebCore.vcproj/WebCore.vcproj:
        * WebCore.xcodeproj/project.pbxproj:
        * bindings/js/ScriptState.cpp:
        (WebCore::scriptStateFromWorkerContext):
        * bindings/js/ScriptState.h:
        * bindings/v8/ScriptState.cpp:
        (WebCore::scriptStateFromWorkerContext):
        * bindings/v8/ScriptState.h:
        * inspector/InspectorState.cpp:
        (WebCore::InspectorState::updateCookie):
        * inspector/WorkerInspectorController.cpp: Added.
        (WebCore::WorkerInspectorController::WorkerInspectorController):
        (WebCore::WorkerInspectorController::~WorkerInspectorController):
        (WebCore::WorkerInspectorController::connectFrontend):
        (WebCore::WorkerInspectorController::disconnectFrontend):
        (WebCore::WorkerInspectorController::dispatchMessageFromFrontend):
        * inspector/WorkerInspectorController.h: Copied from Source/WebCore/bindings/js/ScriptState.h.
        * workers/WorkerContext.cpp:
        (WebCore::WorkerContext::WorkerContext):
        * workers/WorkerContext.h:
        (WebCore::WorkerContext::workerInspectorController):

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@84125 268f45cc-cd09-0410-ab3c-d52691b4dbfc