Expose Durable Storage API to script

Source/web/WebLocalFrameImpl.cpp

Index: Source/web/WebLocalFrameImpl.cpp
diff --git a/Source/web/WebLocalFrameImpl.cpp b/Source/web/WebLocalFrameImpl.cpp
index 5ff11eb2c8841e6ba60abd8408c39bdde947d64b..b28e50266d7c4f0d5e09f559d45eb8cae32e8fb1 100644
--- a/Source/web/WebLocalFrameImpl.cpp
+++ b/Source/web/WebLocalFrameImpl.cpp
@@ -158,6 +158,7 @@
 #include "modules/permissions/PermissionController.h"
 #include "modules/presentation/PresentationController.h"
 #include "modules/push_messaging/PushController.h"
+#include "modules/quota/DurableStorageController.h"
 #include "modules/screen_orientation/ScreenOrientationController.h"
 #include "modules/vr/VRController.h"
 #include "platform/ScriptForbiddenScope.h"
@@ -1691,6 +1692,8 @@ void WebLocalFrameImpl::setCoreFrame(PassRefPtrWillBeRawPtr<LocalFrame> frame)
         provideMIDITo(*m_frame, MIDIClientProxy::create(m_client ? m_client->webMIDIClient() : nullptr));
         provideLocalFileSystemTo(*m_frame, LocalFileSystemClient::create());
 
+        DurableStorageController::provideTo(*m_frame, m_client ? m_client->durableStorageDispatcher() : nullptr);
+
         if (RuntimeEnabledFeatures::screenOrientationEnabled())
             ScreenOrientationController::provideTo(*m_frame, m_client ? m_client->webScreenOrientationClient() : nullptr);
         if (RuntimeEnabledFeatures::presentationEnabled())