Save a reference to the origin passed into the StorageAreaImpl for as long

as the StorageAreaImpl exists since it only stores a pointer to it and
thus it'll refer to freed memory if we don't.

TEST=none
BUG=none

Review URL: http://codereview.chromium.org/160675

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@22562 0039d316-1c4b-4281-b951-d872f2087c98

3 files changed, 8 insertions, 3 deletions

diff --git a/webkit/api/src/WebStorageAreaImpl.cpp b/webkit/api/src/WebStorageAreaImpl.cpp
index 6a5a762..d7115bf 100644
--- a/webkit/api/src/WebStorageAreaImpl.cpp
+++ b/webkit/api/src/WebStorageAreaImpl.cpp
@@ -34,12 +34,14 @@
 #if ENABLE(DOM_STORAGE)
 
 #include "ExceptionCode.h"
+#include "SecurityOrigin.h"
 #include "WebString.h"
 
 namespace WebKit {
 
-WebStorageAreaImpl::WebStorageAreaImpl(PassRefPtr<WebCore::StorageArea> storageArea)
+WebStorageAreaImpl::WebStorageAreaImpl(PassRefPtr<WebCore::StorageArea> storageArea, PassRefPtr<WebCore::SecurityOrigin> origin)
     : m_storageArea(storageArea)
+    , m_origin(origin)
 {
 }
 
diff --git a/webkit/api/src/WebStorageAreaImpl.h b/webkit/api/src/WebStorageAreaImpl.h
index 5e5ffc4..d855360 100644
--- a/webkit/api/src/WebStorageAreaImpl.h
+++ b/webkit/api/src/WebStorageAreaImpl.h
@@ -40,7 +40,7 @@ namespace WebKit {
 
     class WebStorageAreaImpl : public WebStorageArea {
     public:
-        WebStorageAreaImpl(PassRefPtr<WebCore::StorageArea> storageArea);
+        WebStorageAreaImpl(PassRefPtr<WebCore::StorageArea> storageArea, PassRefPtr<WebCore::SecurityOrigin> origin);
         virtual ~WebStorageAreaImpl();
         virtual void lock(bool& invalidateCache, size_t& bytesLeftInQuota);
         virtual void unlock();
@@ -53,6 +53,9 @@ namespace WebKit {
 
     private:
         RefPtr<WebCore::StorageArea> m_storageArea;
+
+        // We must store a reference to this because m_storageArea contains a pointer to it.
+        RefPtr<WebCore::SecurityOrigin> m_origin;
     };
 
 } // namespace WebKit
diff --git a/webkit/api/src/WebStorageNamespaceImpl.cpp b/webkit/api/src/WebStorageNamespaceImpl.cpp
index e6fa684..991aa2a 100644
--- a/webkit/api/src/WebStorageNamespaceImpl.cpp
+++ b/webkit/api/src/WebStorageNamespaceImpl.cpp
@@ -62,7 +62,7 @@ WebStorageNamespaceImpl::~WebStorageNamespaceImpl()
 WebStorageArea* WebStorageNamespaceImpl::createStorageArea(const WebString& originString)
 {
     RefPtr<WebCore::SecurityOrigin> origin = WebCore::SecurityOrigin::createFromString(originString);
-    return new WebStorageAreaImpl(m_storageNamespace->storageArea(origin.get()));
+    return new WebStorageAreaImpl(m_storageNamespace->storageArea(origin.get()), origin.release());
 }
 
 WebStorageNamespace* WebStorageNamespaceImpl::copy()