PlzNavigate: Clear provisional history item on 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 1d41d43eb03b3fb373b51a9bc2f5e8b2f265cf74..0eb7138c45286ea4e9666d26bf2644b00a2aa9fc 100644
--- a/third_party/WebKit/Source/core/loader/FrameLoader.cpp
+++ b/third_party/WebKit/Source/core/loader/FrameLoader.cpp
@@ -370,11 +370,8 @@ void FrameLoader::replaceDocumentWhileExecutingJavaScriptURL(const String& sourc
     documentLoader->replaceDocumentWhileExecutingJavaScriptURL(init, source);
 }
 
-void FrameLoader::receivedMainResourceRedirect(const KURL& newURL)
+void FrameLoader::clearProvisionalHistoryItem()
 {
-    client()->dispatchDidReceiveServerRedirectForProvisionalLoad();
-
-    // If a back/forward navigation redirects, don't reuse any state from the HistoryItem.
     m_provisionalItem.clear();
 }