Fix remaining leaks in StorageMonitorLinux.

chrome/browser/media_galleries/media_galleries_preferences_unittest.cc

Index: chrome/browser/media_galleries/media_galleries_preferences_unittest.cc
===================================================================
--- chrome/browser/media_galleries/media_galleries_preferences_unittest.cc	(revision 213177)
+++ chrome/browser/media_galleries/media_galleries_preferences_unittest.cc	(working copy)
@@ -86,6 +86,8 @@
   }
 
   virtual void SetUp() OVERRIDE {
+    ASSERT_TRUE(test::TestStorageMonitor::CreateAndInstall());
+
     extensions::TestExtensionSystem* extension_system(
         static_cast<extensions::TestExtensionSystem*>(
             extensions::ExtensionSystem::Get(profile_.get())));
@@ -812,7 +814,7 @@
 }
 
 TEST(MediaGalleryPrefInfoTest, NameGeneration) {
-  test::TestStorageMonitor monitor;
+  ASSERT_TRUE(test::TestStorageMonitor::CreateAndInstall());
 
   MediaGalleryPrefInfo info;
   info.pref_id = 1;