Allow to clear session and local storage when not backed on disk

content/browser/dom_storage/dom_storage_namespace.cc

Index: content/browser/dom_storage/dom_storage_namespace.cc
diff --git a/content/browser/dom_storage/dom_storage_namespace.cc b/content/browser/dom_storage/dom_storage_namespace.cc
index a8681b6e6c2b148491689f6c47b543172dbab08d..479cf2534926d4bb1e7ecda74188f06badb3de4f 100644
--- a/content/browser/dom_storage/dom_storage_namespace.cc
+++ b/content/browser/dom_storage/dom_storage_namespace.cc
@@ -37,6 +37,12 @@ DOMStorageNamespace::DOMStorageNamespace(
 DOMStorageNamespace::~DOMStorageNamespace() {
 }
 
+void DOMStorageNamespace::ReadOrigins(std::vector<GURL>* origins) const {
+  origins->clear();
+  for (AreaMap::const_iterator it = areas_.begin(); it != areas_.end(); ++it)

[michaeln, 2016/05/05 00:38:23]

range based for loop please

for (const auto& entry : areas_)
  origins->push_back(entry.first);

[Julien Isorce Samsung, 2016/05/05 11:05:04]

Done.

+    origins->push_back(it->first);
+}
+
 DOMStorageArea* DOMStorageNamespace::OpenStorageArea(const GURL& origin) {
   if (AreaHolder* holder = GetAreaHolder(origin)) {
     ++(holder->open_count_);