Remove extra calls of didMeaningfulLayout() during the same navigation

third_party/WebKit/Source/web/WebViewImpl.h

 /*
  * Copyright (C) 2010 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 354 matching lines @@
     // based on the Webkit function bool WebView::handleContextMenuEvent(WPARAM
     // wParam, LPARAM lParam) in webkit\webkit\win\WebView.cpp. The only
     // significant change in this function is the code to convert from a
     // Keyboard event to the Right Mouse button down event.
     WebInputEventResult sendContextMenuEvent(const WebKeyboardEvent&);
 
     void showContextMenuAtPoint(float x, float y, PassRefPtrWillBeRawPtr<ContextMenuProvider>);
 
     void showContextMenuForElement(WebElement);
 
-    // Notifies the WebView that a load has been committed. isNewNavigation
-    // will be true if a new session history item should be created for that
-    // load. isNavigationWithinPage will be true if the navigation does
+    // Notifies the WebView that a load has been committed.
+    // isNavigationWithinPage will be true if the navigation does
     // not take the user away from the current page.
-    void didCommitLoad(bool isNewNavigation, bool isNavigationWithinPage);
+    void didCommitLoad(HistoryCommitType, bool isNavigationWithinPage);
 
     void postLayoutResize(WebLocalFrameImpl* webframe);
 
     // Indicates two things:
     //   1) This view may have a new layout now.
     //   2) Calling updateAllLifecyclePhases() is a no-op.
     // After calling WebWidget::updateAllLifecyclePhases(), expect to get this notification
     // unless the view did not need a layout.
     void layoutUpdated(WebLocalFrameImpl*);
 
@@ skipping 385 matching lines @@
 };
 
 DEFINE_TYPE_CASTS(WebViewImpl, WebWidget, widget, widget->isWebView(), widget.isWebView());
 // We have no ways to check if the specified WebView is an instance of
 // WebViewImpl because WebViewImpl is the only implementation of WebView.
 DEFINE_TYPE_CASTS(WebViewImpl, WebView, webView, true, true);
 
 } // namespace blink
 
 #endif