Revert of Enable gallery watches on Mac

chrome/browser/extensions/api/media_galleries_private/media_galleries_private_api.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/extensions/api/media_galleries_private/media_galleries_private_api.h"
 
 #include "base/basictypes.h"
 #include "base/bind.h"
 #include "base/files/file_path.h"
 #include "base/lazy_instance.h"
@@ skipping 176 matching lines @@
   if (!GetGalleryFilePathAndId(pref_id,
                                GetProfile(),
                                GetExtension(),
                                &gallery_file_path,
                                &gallery_pref_id)) {
     error_ = kInvalidGalleryIDError;
     HandleResponse(gallery_pref_id, false);
     return;
   }
 
+#if defined(OS_WIN) || defined(OS_LINUX)
   MediaGalleriesPrivateEventRouter* router =
       MediaGalleriesPrivateAPI::Get(GetProfile())->GetEventRouter();
   DCHECK(router);
   content::BrowserThread::PostTaskAndReplyWithResult(
       content::BrowserThread::FILE,
       FROM_HERE,
       base::Bind(&GalleryWatchManager::SetupGalleryWatch,
                  GetProfile(),
                  gallery_pref_id,
                  gallery_file_path,
                  extension_id(),
                  router->AsWeakPtr()),
       base::Bind(&MediaGalleriesPrivateAddGalleryWatchFunction::HandleResponse,
                  this,
                  gallery_pref_id));
+#else
+  // Recursive gallery watch operation is not currently supported on Mac:
+  // crbug.com/144491
+  HandleResponse(gallery_pref_id, false);
+#endif
 }
 
 void MediaGalleriesPrivateAddGalleryWatchFunction::HandleResponse(
     MediaGalleryPrefId gallery_id,
     bool success) {
   DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
   media_galleries_private::AddGalleryWatchResult result;
   result.gallery_id = base::Uint64ToString(gallery_id);
   result.success = success;
   SetResult(result.ToValue().release());
@@ skipping 15 matching lines @@
 
 MediaGalleriesPrivateRemoveGalleryWatchFunction::
 ~MediaGalleriesPrivateRemoveGalleryWatchFunction() {
 }
 
 bool MediaGalleriesPrivateRemoveGalleryWatchFunction::RunAsync() {
   DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
   if (!render_view_host() || !render_view_host()->GetProcess())
     return false;
 
+  // Remove gallery watch operation is currently supported on Mac:
+  // crbug.com/144491
   scoped_ptr<RemoveGalleryWatch::Params> params(
       RemoveGalleryWatch::Params::Create(*args_));
   EXTENSION_FUNCTION_VALIDATE(params.get());
 
   MediaGalleriesPreferences* preferences =
       g_browser_process->media_file_system_registry()->GetPreferences(
           GetProfile());
   preferences->EnsureInitialized(base::Bind(
       &MediaGalleriesPrivateRemoveGalleryWatchFunction::OnPreferencesInit,
       this,
       params->gallery_id));
   return true;
 }
 
 void MediaGalleriesPrivateRemoveGalleryWatchFunction::OnPreferencesInit(
     const std::string& pref_id) {
+#if defined(OS_WIN) || defined(OS_LINUX)
   base::FilePath gallery_file_path;
   MediaGalleryPrefId gallery_pref_id = 0;
   if (!GetGalleryFilePathAndId(pref_id,
                                GetProfile(),
                                GetExtension(),
                                &gallery_file_path,
                                &gallery_pref_id)) {
     error_ = kInvalidGalleryIDError;
     SendResponse(false);
     return;
   }
 
   content::BrowserThread::PostTask(
       content::BrowserThread::FILE,
       FROM_HERE,
       base::Bind(&GalleryWatchManager::RemoveGalleryWatch,
                  GetProfile(),
                  gallery_file_path,
                  extension_id()));
 
   GalleryWatchStateTracker* state_tracker = MediaGalleriesPrivateAPI::Get(
       GetProfile())->GetGalleryWatchStateTracker();
   state_tracker->OnGalleryWatchRemoved(extension_id(), gallery_pref_id);
+#endif
   SendResponse(true);
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 //              MediaGalleriesPrivateGetAllGalleryWatchFunction              //
 ///////////////////////////////////////////////////////////////////////////////
 
 MediaGalleriesPrivateGetAllGalleryWatchFunction::
 ~MediaGalleriesPrivateGetAllGalleryWatchFunction() {
 }
 
 bool MediaGalleriesPrivateGetAllGalleryWatchFunction::RunAsync() {
   DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
   if (!render_view_host() || !render_view_host()->GetProcess())
     return false;
 
   MediaGalleriesPreferences* preferences =
       g_browser_process->media_file_system_registry()->GetPreferences(
           GetProfile());
   preferences->EnsureInitialized(base::Bind(
       &MediaGalleriesPrivateGetAllGalleryWatchFunction::OnPreferencesInit,
       this));
   return true;
 }
 
 void MediaGalleriesPrivateGetAllGalleryWatchFunction::OnPreferencesInit() {
   std::vector<std::string> result;
+#if defined(OS_WIN) || defined(OS_LINUX)
   GalleryWatchStateTracker* state_tracker = MediaGalleriesPrivateAPI::Get(
       GetProfile())->GetGalleryWatchStateTracker();
   MediaGalleryPrefIdSet gallery_ids =
       state_tracker->GetAllWatchedGalleryIDsForExtension(extension_id());
   for (MediaGalleryPrefIdSet::const_iterator iter = gallery_ids.begin();
        iter != gallery_ids.end(); ++iter) {
     result.push_back(base::Uint64ToString(*iter));
   }
+#endif
   results_ = GetAllGalleryWatch::Results::Create(result);
   SendResponse(true);
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 //              MediaGalleriesPrivateRemoveAllGalleryWatchFunction           //
 ///////////////////////////////////////////////////////////////////////////////
 
 MediaGalleriesPrivateRemoveAllGalleryWatchFunction::
 ~MediaGalleriesPrivateRemoveAllGalleryWatchFunction() {
 }
 
 bool MediaGalleriesPrivateRemoveAllGalleryWatchFunction::RunAsync() {
   DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
   if (!render_view_host() || !render_view_host()->GetProcess())
     return false;
 
   MediaGalleriesPreferences* preferences =
       g_browser_process->media_file_system_registry()->GetPreferences(
           GetProfile());
   preferences->EnsureInitialized(base::Bind(
       &MediaGalleriesPrivateRemoveAllGalleryWatchFunction::OnPreferencesInit,
       this));
   return true;
 }
 
 void MediaGalleriesPrivateRemoveAllGalleryWatchFunction::OnPreferencesInit() {
+#if defined(OS_WIN) || defined(OS_LINUX)
   MediaGalleriesPreferences* preferences =
       g_browser_process->media_file_system_registry()->GetPreferences(
           GetProfile());
   GalleryWatchStateTracker* state_tracker = MediaGalleriesPrivateAPI::Get(
       GetProfile())->GetGalleryWatchStateTracker();
   state_tracker->RemoveAllGalleryWatchersForExtension(
       extension_id(), preferences);
+#endif
   SendResponse(true);
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 //              MediaGalleriesPrivateGetHandlersFunction                     //
 ///////////////////////////////////////////////////////////////////////////////
 
 MediaGalleriesPrivateGetHandlersFunction::
 ~MediaGalleriesPrivateGetHandlersFunction() {
 }
@@ skipping 34 matching lines @@
     }
   }
 
   SetResult(result_list);
   SendResponse(true);
 
   return true;
 }
 
 }  // namespace extensions