Only use pending navigation params for browser-initiated navigations.

third_party/WebKit/Source/web/FrameLoaderClientImpl.cpp

Index: third_party/WebKit/Source/web/FrameLoaderClientImpl.cpp
diff --git a/third_party/WebKit/Source/web/FrameLoaderClientImpl.cpp b/third_party/WebKit/Source/web/FrameLoaderClientImpl.cpp
index e65f3c0337d42fc9790d2ef519d8f5f134cf04e4..1743ea5afd355906c6c56ec478292bd55b6ad62f 100644
--- a/third_party/WebKit/Source/web/FrameLoaderClientImpl.cpp
+++ b/third_party/WebKit/Source/web/FrameLoaderClientImpl.cpp
@@ -456,13 +456,13 @@ void FrameLoaderClientImpl::dispatchDidReceiveServerRedirectForProvisionalLoad()
         m_webFrame->client()->didReceiveServerRedirectForProvisionalLoad(m_webFrame);
 }
 
-void FrameLoaderClientImpl::dispatchDidNavigateWithinPage(HistoryItem* item, HistoryCommitType commitType)
+void FrameLoaderClientImpl::dispatchDidNavigateWithinPage(HistoryItem* item, HistoryCommitType commitType, bool contentInitiated)
 {
     bool shouldCreateHistoryEntry = commitType == StandardCommit;
     // TODO(dglazkov): Does this need to be called for subframes?
     m_webFrame->viewImpl()->didCommitLoad(shouldCreateHistoryEntry, true);
     if (m_webFrame->client())
-        m_webFrame->client()->didNavigateWithinPage(m_webFrame, WebHistoryItem(item), static_cast<WebHistoryCommitType>(commitType));
+        m_webFrame->client()->didNavigateWithinPage(m_webFrame, WebHistoryItem(item), static_cast<WebHistoryCommitType>(commitType), contentInitiated);
 }
 
 void FrameLoaderClientImpl::dispatchWillClose()