Reviewed by Timothy Hatcher.

        Web Inspector: Simplify the settings support in inspector controller.

        https://bugs.webkit.org/show_bug.cgi?id=32076

        Test: inspector/settings-set-get.html

        * WebCore.Inspector.exp:
        * bindings/js/JSInspectorFrontendHostCustom.cpp:
        * bindings/v8/custom/V8InspectorFrontendHostCustom.cpp:
        * inspector/InspectorClient.h:
        * inspector/InspectorController.cpp:
        (WebCore::InspectorController::~InspectorController):
        (WebCore::InspectorController::setting):
        (WebCore::InspectorController::setSetting):
        (WebCore::InspectorController::setWindowVisible):
        (WebCore::InspectorController::attachWindow):
        (WebCore::InspectorController::setAttachedWindowHeight):
        (WebCore::InspectorController::storeLastActivePanel):
        (WebCore::InspectorController::scriptObjectReady):
        (WebCore::InspectorController::showWindow):
        (WebCore::InspectorController::enableResourceTracking):
        (WebCore::InspectorController::disableResourceTracking):
        (WebCore::InspectorController::ensureResourceTrackingSettingsLoaded):
        (WebCore::InspectorController::enableProfiler):
        (WebCore::InspectorController::disableProfiler):
        (WebCore::InspectorController::enableDebuggerFromFrontend):
        (WebCore::InspectorController::disableDebugger):
        * inspector/InspectorController.h:
        * inspector/InspectorFrontendHost.cpp:
        (WebCore::InspectorFrontendHost::setting):
        (WebCore::InspectorFrontendHost::setSetting):
        * inspector/InspectorFrontendHost.h:
        * inspector/InspectorFrontendHost.idl:
        * loader/EmptyClients.h:
        (WebCore::EmptyInspectorClient::populateSetting):
        (WebCore::EmptyInspectorClient::storeSetting):

WebKit/chromium
        * src/InspectorClientImpl.cpp:
        (WebKit::InspectorClientImpl::hiddenPanels):
        (WebKit::InspectorClientImpl::populateSetting):
        (WebKit::InspectorClientImpl::storeSetting):
        (WebKit::InspectorClientImpl::loadSettings):
        (WebKit::InspectorClientImpl::saveSettings):
        * src/InspectorClientImpl.h:

WebKit/cf
        * WebCoreSupport/WebInspectorClientCF.cpp:
        (WebInspectorClient::populateSetting):
        (WebInspectorClient::storeSetting):

WebKit/gtk
        * WebCoreSupport/InspectorClientGtk.cpp:
        (WebKit::InspectorClient::populateSetting):
        (WebKit::InspectorClient::storeSetting):
        * WebCoreSupport/InspectorClientGtk.h:

WebKit/haiku
        * WebCoreSupport/InspectorClientHaiku.cpp:
        (WebCore::InspectorClientHaiku::populateSetting):
        (WebCore::InspectorClientHaiku::storeSetting):
        * WebCoreSupport/InspectorClientHaiku.h:

WebKit/mac
        * WebCoreSupport/WebInspectorClient.h:
        * WebCoreSupport/WebInspectorClient.mm:
        (-[WebInspectorWindowController showWindow:]):
        (-[WebInspectorWindowController attach]):
        (-[WebInspectorWindowController detach]):

WebKit/qt
        * WebCoreSupport/InspectorClientQt.cpp:
        (WebCore::InspectorClientQt::populateSetting):
        (WebCore::InspectorClientQt::storeSetting):
        (WebCore::variantToSetting):
        (WebCore::settingToVariant):
        * WebCoreSupport/InspectorClientQt.h:

WebKit/win
        * WebCoreSupport/WebInspectorClient.cpp:
        (WebInspectorClient::attachWindow):
        (WebInspectorClient::detachWindow):
        (WebInspectorClient::showWindowWithoutNotifications):
        * WebCoreSupport/WebInspectorClient.h:

WebKit/wx
        * WebKitSupport/InspectorClientWx.cpp:
        (WebCore::InspectorClientWx::populateSetting):
        (WebCore::InspectorClientWx::storeSetting):
        * WebKitSupport/InspectorClientWx.h:


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@51631 268f45cc-cd09-0410-ab3c-d52691b4dbfc