Reviewed by Pavel Feldman.

        Added support for worker instrumentation in inspector
        (display list of active workers, allow debugging of workers
        by injecting fake JS implementation)

        https://bugs.webkit.org/show_bug.cgi?id=35568

        * English.lproj/localizedStrings.js:
        * WebCore.gypi:
        * WebCore.vcproj/WebCore.vcproj:
        * bindings/js/JSInjectedScriptHostCustom.cpp:
        (WebCore::InjectedScriptHost::createInjectedScript):
        (WebCore::InjectedScriptHost::injectedScriptFor):
        * bindings/v8/custom/V8InjectedScriptHostCustom.cpp:
        (WebCore::InjectedScriptHost::createInjectedScript):
        (WebCore::InjectedScriptHost::injectedScriptFor):
        * dom/Document.cpp:
        (WebCore::Document::inspectorController):
        * dom/Document.h:
        * dom/ScriptExecutionContext.h:
        (WebCore::ScriptExecutionContext::inspectorController):
        * inspector/InjectedScriptHost.cpp:
        (WebCore::InjectedScriptHost::InjectedScriptHost):
        (WebCore::InjectedScriptHost::injectScript):
        (WebCore::InjectedScriptHost::nextWorkerId):
        (WebCore::InjectedScriptHost::didCreateWorker):
        (WebCore::InjectedScriptHost::willDestroyWorker):
        * inspector/InjectedScriptHost.h:
        * inspector/InjectedScriptHost.idl:
        * inspector/InspectorController.cpp:
        (WebCore::InspectorController::populateScriptObjects):
        (WebCore::InspectorController::resetScriptObjects):
        (WebCore::InspectorController::didCommitLoad):
        (WebCore::InspectorController::didCreateWorker):
        (WebCore::InspectorController::willDestroyWorker):
        * inspector/InspectorController.h:
        * inspector/InspectorFrontend.cpp:
        (WebCore::InspectorFrontend::didCreateWorker):
        (WebCore::InspectorFrontend::willDestroyWorker):
        * inspector/InspectorFrontend.h:
        * inspector/InspectorWorkerResource.h: Added.
        (WebCore::InspectorWorkerResource::create):
        (WebCore::InspectorWorkerResource::id):
        (WebCore::InspectorWorkerResource::url):
        (WebCore::InspectorWorkerResource::isSharedWorker):
        (WebCore::InspectorWorkerResource::InspectorWorkerResource):
        * inspector/front-end/Checkbox.js: Added.
        (WebInspector.Checkbox.callbackWrapper):
        (WebInspector.Checkbox):
        (WebInspector.Checkbox.prototype.checked):
        * inspector/front-end/InjectedFakeWorker.js:
        (InjectedFakeWorker.FakeWorker):
        (InjectedFakeWorker.FakeWorker.prototype.terminate):
        (InjectedFakeWorker.FakeWorker.prototype._handleException):
        (InjectedFakeWorker.FakeWorker.prototype._importScripts):
        (InjectedFakeWorker.FakeWorker.prototype._loadScript):
        (InjectedFakeWorker.FakeWorker.prototype._expandURLAndCheckOrigin):
        * inspector/front-end/ScriptsPanel.js:
        (WebInspector.ScriptsPanel):
        (WebInspector.ScriptsPanel.prototype.debuggerWasEnabled):
        (WebInspector.ScriptsPanel.prototype.debuggerWasDisabled):
        (WebInspector.ScriptsPanel.prototype.reset):
        * inspector/front-end/WebKit.qrc:
        * inspector/front-end/WorkersSidebarPane.js: Added.
        (WebInspector.WorkersSidebarPane):
        (WebInspector.WorkersSidebarPane.prototype.addWorker):
        (WebInspector.WorkersSidebarPane.prototype.removeWorker):
        (WebInspector.WorkersSidebarPane.prototype.setInstrumentation):
        (WebInspector.WorkersSidebarPane.prototype.reset):
        (WebInspector.WorkersSidebarPane.prototype._onTriggerInstrument):
        (WebInspector.Worker):
        (WebInspector.didCreateWorker):
        (WebInspector.willDestroyWorker):
        * inspector/front-end/inspector.css:
        * inspector/front-end/inspector.html:
        * workers/AbstractWorker.cpp:
        (WebCore::AbstractWorker::AbstractWorker):
        (WebCore::AbstractWorker::~AbstractWorker):
        (WebCore::AbstractWorker::onDestroyWorker):
        (WebCore::AbstractWorker::contextDestroyed):
        * workers/AbstractWorker.h:
        (WebCore::AbstractWorker::id):
        * workers/SharedWorker.cpp:
        (WebCore::SharedWorker::SharedWorker):
        * workers/Worker.cpp:
        (WebCore::Worker::Worker):


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@55522 268f45cc-cd09-0410-ab3c-d52691b4dbfc