Move LocalFileSystem to hang off LocalFrame instead of Page.

Source/modules/filesystem/FileSystemClient.h

Index: Source/modules/filesystem/FileSystemClient.h
diff --git a/Source/modules/filesystem/FileSystemClient.h b/Source/modules/filesystem/FileSystemClient.h
index 93cb4d01b9e4fc79906379590077d295a863641d..f47893b37a4982c9dced9f19acd83657d2a369bf 100644
--- a/Source/modules/filesystem/FileSystemClient.h
+++ b/Source/modules/filesystem/FileSystemClient.h
@@ -37,8 +37,8 @@
 
 namespace WebCore {
 
-class Page;
 class ExecutionContext;
+class LocalFrame;
 class PermissionCallbacks;
 class WorkerClients;
 
@@ -52,7 +52,7 @@ public:
     virtual void requestFileSystemAccessAsync(ExecutionContext*, PassOwnPtr<WebCore::PermissionCallbacks>) = 0;
 };
 
-void provideLocalFileSystemTo(Page&, PassOwnPtr<FileSystemClient>);
+void provideLocalFileSystemTo(LocalFrame&, PassOwnPtr<FileSystemClient>);
 
 void provideLocalFileSystemToWorker(WorkerClients*, PassOwnPtr<FileSystemClient>);