Revert 150436 - gdata: Remove hide_hosted_documents from ReadDirectoryCallback

chrome/browser/chromeos/gdata/gdata_file_system_proxy.cc

Index: chrome/browser/chromeos/gdata/gdata_file_system_proxy.cc
===================================================================
--- chrome/browser/chromeos/gdata/gdata_file_system_proxy.cc	(revision 150519)
+++ chrome/browser/chromeos/gdata/gdata_file_system_proxy.cc	(working copy)
@@ -15,9 +15,6 @@
 #include "chrome/browser/chromeos/gdata/gdata_file_system_interface.h"
 #include "chrome/browser/chromeos/gdata/gdata_system_service.h"
 #include "chrome/browser/chromeos/gdata/gdata_util.h"
-#include "chrome/browser/prefs/pref_service.h"
-#include "chrome/browser/profiles/profile.h"
-#include "chrome/common/pref_names.h"
 #include "content/public/browser/browser_thread.h"
 #include "webkit/blob/shareable_file_reference.h"
 #include "webkit/fileapi/file_system_file_util_proxy.h"
@@ -180,10 +177,8 @@
 // GDataFileSystemProxy class implementation.
 
 GDataFileSystemProxy::GDataFileSystemProxy(
-    GDataFileSystemInterface* file_system,
-    Profile* profile)
-    : file_system_(file_system),
-      profile_(profile) {
+    GDataFileSystemInterface* file_system)
+    : file_system_(file_system) {
   // Should be created from the file browser extension API (AddMountFunction)
   // on UI thread.
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
@@ -681,13 +676,10 @@
     const FileSystemOperationInterface::ReadDirectoryCallback&
     callback,
     GDataFileError error,
+    bool hide_hosted_documents,
     scoped_ptr<gdata::GDataEntryProtoVector> proto_entries) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
 
-  PrefService* pref_service = profile_->GetPrefs();
-  const bool hide_hosted_documents =
-      pref_service->GetBoolean(prefs::kDisableGDataHostedFiles);
-
   if (error != GDATA_FILE_OK) {
     callback.Run(util::GDataFileErrorToPlatformError(error),
                  std::vector<base::FileUtilProxy::Entry>(),