[Media Galleries] Lazily initialize the storage monitor.

chrome/browser/media_galleries/media_galleries_dialog_controller.cc

Index: chrome/browser/media_galleries/media_galleries_dialog_controller.cc
diff --git a/chrome/browser/media_galleries/media_galleries_dialog_controller.cc b/chrome/browser/media_galleries/media_galleries_dialog_controller.cc
index 913d8dcdf816e7db48fd5693c080cbe08b808056..2b852faaddbbfbd59f7cae9369c452fc0949c1fe 100644
--- a/chrome/browser/media_galleries/media_galleries_dialog_controller.cc
+++ b/chrome/browser/media_galleries/media_galleries_dialog_controller.cc
@@ -99,10 +99,18 @@ MediaGalleriesDialogController::MediaGalleriesDialogController(
       : web_contents_(web_contents),
         extension_(&extension),
         on_finish_(on_finish) {
+  // Note: Passing unretained pointer is safe, since the dialog controller

[vandebo (ex-Chrome), 2013/05/31 18:05:03]

nit: Remove "Note:" a comment is already a Note. The comment doesn't exactly
explain why it is true.  Probably should say that the controller owns itself.

[Greg Billock, 2013/06/01 01:48:46]

Done.

+  // won't be deleted until it can be shown and then closed.
+  StorageMonitor::GetInstance()->Initialize(base::Bind(
+      &MediaGalleriesDialogController::OnStorageMonitorInitialized,
+      base::Unretained(this)));
+}
+
+void MediaGalleriesDialogController::OnStorageMonitorInitialized() {
   MediaFileSystemRegistry* registry =
       g_browser_process->media_file_system_registry();
   preferences_ = registry->GetPreferences(
-      Profile::FromBrowserContext(web_contents->GetBrowserContext()));
+      Profile::FromBrowserContext(web_contents_->GetBrowserContext()));
   InitializePermissions();
 
   dialog_.reset(MediaGalleriesDialog::Create(this));