Clear provisional item on all server redirects.

third_party/WebKit/Source/core/loader/FrameLoader.cpp

Index: third_party/WebKit/Source/core/loader/FrameLoader.cpp
diff --git a/third_party/WebKit/Source/core/loader/FrameLoader.cpp b/third_party/WebKit/Source/core/loader/FrameLoader.cpp
index 832f73f5713e9abbf8b9749c400fdca055fd8399..3137c89265b684f69598e0e809d913f3903c6e5a 100644
--- a/third_party/WebKit/Source/core/loader/FrameLoader.cpp
+++ b/third_party/WebKit/Source/core/loader/FrameLoader.cpp
@@ -358,9 +358,9 @@ void FrameLoader::replaceDocumentWhileExecutingJavaScriptURL(const String& sourc
 void FrameLoader::receivedMainResourceRedirect(const KURL& newURL)
 {
     client()->dispatchDidReceiveServerRedirectForProvisionalLoad();
-    // If a back/forward navigation redirects cross-origin, don't reuse any state from the HistoryItem.
-    if (m_provisionalItem && !SecurityOrigin::create(m_provisionalItem->url())->isSameSchemeHostPort(SecurityOrigin::create(newURL).get()))
-        m_provisionalItem.clear();
+
+    // If a back/forward navigation redirects, don't reuse any state from the HistoryItem.
+    m_provisionalItem.clear();
 }
 
 void FrameLoader::setHistoryItemStateForCommit(FrameLoadType loadType, HistoryCommitType historyCommitType, HistoryNavigationType navigationType)