Populate storage_unittests target.

storage/browser/quota/storage_monitor_unittest.cc

Index: storage/browser/quota/storage_monitor_unittest.cc
diff --git a/content/browser/quota/storage_monitor_unittest.cc b/storage/browser/quota/storage_monitor_unittest.cc
similarity index 99%
rename from content/browser/quota/storage_monitor_unittest.cc
rename to storage/browser/quota/storage_monitor_unittest.cc
index 7cbeb9140ee282a0040c544ad2f01b833b833845..51964099efa502cc0d1ce4baa86444b175657f73 100644
--- a/content/browser/quota/storage_monitor_unittest.cc
+++ b/storage/browser/quota/storage_monitor_unittest.cc
@@ -9,13 +9,13 @@
 #include "base/files/scoped_temp_dir.h"
 #include "base/run_loop.h"
 #include "base/threading/thread_task_runner_handle.h"
-#include "content/public/test/mock_special_storage_policy.h"
-#include "content/public/test/mock_storage_client.h"
 #include "net/base/url_util.h"
 #include "storage/browser/quota/quota_manager.h"
 #include "storage/browser/quota/quota_manager_proxy.h"
 #include "storage/browser/quota/storage_monitor.h"
 #include "storage/browser/quota/storage_observer.h"
+#include "storage/browser/test/mock_special_storage_policy.h"
+#include "storage/browser/test/mock_storage_client.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 using storage::HostStorageObservers;