Session-only local storage cleared on exit.

chrome/browser/profiles/profile_impl.cc

Index: chrome/browser/profiles/profile_impl.cc
diff --git a/chrome/browser/profiles/profile_impl.cc b/chrome/browser/profiles/profile_impl.cc
index a7f2ac74986e250abe8936528b922756a6ae5dc9..7c0d0848884e606d986512b50fcc99405254f9a8 100644
--- a/chrome/browser/profiles/profile_impl.cc
+++ b/chrome/browser/profiles/profile_impl.cc
@@ -664,6 +664,9 @@ ProfileImpl::~ProfileImpl() {
             true));
   }
 
+  if (webkit_context_.get())
+    webkit_context_->DeleteSessionOnlyData();
+
   StopCreateSessionServiceTimer();
 
   // Remove pref observers
@@ -829,7 +832,8 @@ ExtensionEventRouter* ProfileImpl::GetExtensionEventRouter() {
 ExtensionSpecialStoragePolicy*
     ProfileImpl::GetExtensionSpecialStoragePolicy() {
   if (!extension_special_storage_policy_.get())
-    extension_special_storage_policy_ = new ExtensionSpecialStoragePolicy();
+    extension_special_storage_policy_ =
+        new ExtensionSpecialStoragePolicy(GetHostContentSettingsMap());
   return extension_special_storage_policy_.get();
 }