Move LocalFileSystem to hang off LocalFrame instead of Page.

Source/modules/filesystem/LocalFileSystem.h

Index: Source/modules/filesystem/LocalFileSystem.h
diff --git a/Source/modules/filesystem/LocalFileSystem.h b/Source/modules/filesystem/LocalFileSystem.h
index f13a782f4c778da0a4f7951bb445eb35bec9f308..ce68f027095a738145dd357806d43e8bb67d473b 100644
--- a/Source/modules/filesystem/LocalFileSystem.h
+++ b/Source/modules/filesystem/LocalFileSystem.h
@@ -31,7 +31,6 @@
 #ifndef LocalFileSystem_h
 #define LocalFileSystem_h
 
-#include "core/page/Page.h"
 #include "core/workers/WorkerClients.h"
 #include "platform/FileSystemType.h"
 #include "wtf/Forward.h"
@@ -43,12 +42,14 @@ class AsyncFileSystemCallbacks;
 class CallbackWrapper;
 class FileSystemClient;
 class ExecutionContext;
+class KURL;
+class LocalFrame;
 
-class LocalFileSystem FINAL : public NoBaseWillBeGarbageCollectedFinalized<LocalFileSystem>, public WillBeHeapSupplement<Page>, public WillBeHeapSupplement<WorkerClients> {
+class LocalFileSystem FINAL : public NoBaseWillBeGarbageCollectedFinalized<LocalFileSystem>, public Supplement<LocalFrame>, public WillBeHeapSupplement<WorkerClients> {
     WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(LocalFileSystem);
     WTF_MAKE_NONCOPYABLE(LocalFileSystem);
 public:
-    static PassOwnPtrWillBeRawPtr<LocalFileSystem> create(PassOwnPtr<FileSystemClient>);
+    static PassOwnPtr<LocalFileSystem> create(PassOwnPtr<FileSystemClient>);
     virtual ~LocalFileSystem();
 
     void resolveURL(ExecutionContext*, const KURL&, PassOwnPtr<AsyncFileSystemCallbacks>);
@@ -62,7 +63,6 @@ public:
 
     virtual void trace(Visitor* visitor) OVERRIDE
     {
-        WillBeHeapSupplement<Page>::trace(visitor);
         WillBeHeapSupplement<WorkerClients>::trace(visitor);
     }