Fix layering of ApplicationCacheHost

Source/core/core.gypi

 {
     'variables': {
         # Files for which bindings (.cpp and .h files) will be generated
         'core_idl_files': [
             'animation/Animation.idl',
             'animation/Player.idl',
             'animation/TimedItem.idl',
             'animation/Timeline.idl',
             'clipboard/Clipboard.idl',
             'clipboard/DataTransferItem.idl',
@@ skipping 1250 matching lines @@
             'loader/UniqueIdentifier.cpp',
             'loader/UniqueIdentifier.h',
             'loader/WorkerLoaderClientBridge.cpp',
             'loader/WorkerLoaderClientBridge.h',
             'loader/WorkerLoaderClientBridgeSyncHelper.cpp',
             'loader/WorkerLoaderClientBridgeSyncHelper.h',
             'loader/WorkerThreadableLoader.cpp',
             'loader/WorkerThreadableLoader.h',
             'loader/appcache/ApplicationCache.cpp',
             'loader/appcache/ApplicationCache.h',
+            'loader/appcache/ApplicationCacheHost.cpp',
             'loader/appcache/ApplicationCacheHost.h',
+            'loader/appcache/ApplicationCacheHostInternal.h',
             'page/AutoscrollController.cpp',
             'page/AutoscrollController.h',
             'page/BackForwardClient.h',
             'page/Chrome.cpp',
             'page/ContextMenuController.cpp',
             'page/ContextMenuProvider.h',
             'page/CreateWindow.cpp',
             'page/CreateWindow.h',
             'page/DOMSelection.cpp',
             'page/DOMSelection.h',
@@ skipping 1975 matching lines @@
             'html/parser/HTMLParserThreadTest.cpp',
             'html/track/vtt/BufferedLineReaderTest.cpp',
             'html/track/vtt/VTTScannerTest.cpp',
             'rendering/RenderOverflowTest.cpp',
             'rendering/shapes/BoxShapeTest.cpp',
             'testing/UnitTestHelpers.cpp',
             'testing/UnitTestHelpers.h',
         ],
     }
 }