Make calls to AtomicString(const String&) explicit in loader/ and fetch/

Source/core/loader/NavigationScheduler.cpp

 /*
  * Copyright (C) 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights reserved.
  * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (C) 2009 Adam Barth. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
@@ skipping 78 matching lines @@
 private:
     double m_delay;
     bool m_lockBackForwardList;
     bool m_isLocationChange;
     bool m_wasUserGesture;
     RefPtr<UserGestureToken> m_userGestureToken;
 };
 
 class ScheduledURLNavigation : public ScheduledNavigation {
 protected:
-    ScheduledURLNavigation(double delay, Document* originDocument, const String& url, const String& referrer, bool lockBackForwardList, bool isLocationChange)
+    ScheduledURLNavigation(double delay, Document* originDocument, const String& url, const AtomicString& referrer, bool lockBackForwardList, bool isLocationChange)
         : ScheduledNavigation(delay, lockBackForwardList, isLocationChange)
         , m_originDocument(originDocument)
         , m_url(url)
         , m_referrer(referrer)
     {
     }
 
     virtual void fire(Frame* frame)
     {
         OwnPtr<UserGestureIndicator> gestureIndicator = createUserGestureIndicator();
         FrameLoadRequest request(m_originDocument.get(), ResourceRequest(KURL(ParsedURLString, m_url), m_referrer), "_self");
         request.setLockBackForwardList(lockBackForwardList());
         request.setClientRedirect(ClientRedirect);
         frame->loader().load(request);
     }
 
     Document* originDocument() const { return m_originDocument.get(); }
     String url() const { return m_url; }
-    String referrer() const { return m_referrer; }
+    const AtomicString& referrer() const { return m_referrer; }
 
 private:
     RefPtr<Document> m_originDocument;
     String m_url;
-    String m_referrer;
+    AtomicString m_referrer;
 };
 
 class ScheduledRedirect : public ScheduledURLNavigation {
 public:
     ScheduledRedirect(double delay, Document* originDocument, const String& url, bool lockBackForwardList)
-        : ScheduledURLNavigation(delay, originDocument, url, String(), lockBackForwardList, false)
+        : ScheduledURLNavigation(delay, originDocument, url, nullAtom, lockBackForwardList, false)
     {
         clearUserGesture();
     }
 
     virtual bool shouldStartTimer(Frame* frame) { return frame->loader().allAncestorsAreComplete(); }
 
     virtual void fire(Frame* frame)
     {
         OwnPtr<UserGestureIndicator> gestureIndicator = createUserGestureIndicator();
         FrameLoadRequest request(originDocument(), ResourceRequest(KURL(ParsedURLString, url()), referrer()), "_self");
         request.setLockBackForwardList(lockBackForwardList());
         if (equalIgnoringFragmentIdentifier(frame->document()->url(), request.resourceRequest().url()))
             request.resourceRequest().setCachePolicy(ReloadIgnoringCacheData);
         request.setClientRedirect(ClientRedirect);
         frame->loader().load(request);
     }
 };
 
 class ScheduledLocationChange : public ScheduledURLNavigation {
 public:
-    ScheduledLocationChange(Document* originDocument, const String& url, const String& referrer, bool lockBackForwardList)
+    ScheduledLocationChange(Document* originDocument, const String& url, const AtomicString& referrer, bool lockBackForwardList)
         : ScheduledURLNavigation(0.0, originDocument, url, referrer, lockBackForwardList, true) { }
 };
 
 class ScheduledRefresh : public ScheduledURLNavigation {
 public:
-    ScheduledRefresh(Document* originDocument, const String& url, const String& referrer)
+    ScheduledRefresh(Document* originDocument, const String& url, const AtomicString& referrer)
         : ScheduledURLNavigation(0.0, originDocument, url, referrer, true, true)
     {
     }
 
     virtual void fire(Frame* frame)
     {
         OwnPtr<UserGestureIndicator> gestureIndicator = createUserGestureIndicator();
         FrameLoadRequest request(originDocument(), ResourceRequest(KURL(ParsedURLString, url()), referrer(), ReloadIgnoringCacheData), "_self");
         request.setLockBackForwardList(lockBackForwardList());
         request.setClientRedirect(ClientRedirect);
@@ skipping 134 matching lines @@
 
     lockBackForwardList = lockBackForwardList || mustLockBackForwardList(m_frame);
 
     // If the URL we're going to navigate to is the same as the current one, except for the
     // fragment part, we don't need to schedule the location change. We'll skip this
     // optimization for cross-origin navigations to minimize the navigator's ability to
     // execute timing attacks.
     if (originDocument->securityOrigin()->canAccess(m_frame->document()->securityOrigin())) {
         KURL parsedURL(ParsedURLString, url);
         if (parsedURL.hasFragmentIdentifier() && equalIgnoringFragmentIdentifier(m_frame->document()->url(), parsedURL)) {
-            FrameLoadRequest request(originDocument, ResourceRequest(m_frame->document()->completeURL(url), referrer), "_self");
+            FrameLoadRequest request(originDocument, ResourceRequest(m_frame->document()->completeURL(url), AtomicString(referrer)), "_self");
             request.setLockBackForwardList(lockBackForwardList);
             request.setClientRedirect(ClientRedirect);
             m_frame->loader().load(request);
             return;
         }
     }
 
-    schedule(adoptPtr(new ScheduledLocationChange(originDocument, url, referrer, lockBackForwardList)));
+    schedule(adoptPtr(new ScheduledLocationChange(originDocument, url, AtomicString(referrer), lockBackForwardList)));
 }
 
 void NavigationScheduler::scheduleFormSubmission(PassRefPtr<FormSubmission> submission)
 {
     ASSERT(m_frame->page());
     schedule(adoptPtr(new ScheduledFormSubmission(submission, mustLockBackForwardList(m_frame))));
 }
 
 void NavigationScheduler::scheduleRefresh()
 {
     if (!shouldScheduleNavigation())
         return;
     const KURL& url = m_frame->document()->url();
     if (url.isEmpty())
         return;
 
-    schedule(adoptPtr(new ScheduledRefresh(m_frame->document(), url.string(), m_frame->document()->outgoingReferrer())));
+    schedule(adoptPtr(new ScheduledRefresh(m_frame->document(), url.string(), AtomicString(m_frame->document()->outgoingReferrer()))));
 }
 
 void NavigationScheduler::scheduleHistoryNavigation(int steps)
 {
     if (!shouldScheduleNavigation())
         return;
 
     // Invalid history navigations (such as history.forward() during a new load) have the side effect of cancelling any scheduled
     // redirects. We also avoid the possibility of cancelling the current load by avoiding the scheduled redirection altogether.
     BackForwardClient& backForward = m_frame->page()->backForward();
@@ skipping 47 matching lines @@
 
 void NavigationScheduler::cancel()
 {
     if (m_timer.isActive())
         InspectorInstrumentation::frameClearedScheduledNavigation(m_frame);
     m_timer.stop();
     m_redirect.clear();
 }
 
 } // namespace WebCore