Prevent FontResource load limit timers from restarting during loading

third_party/WebKit/Source/core/css/RemoteFontFaceSource.cpp

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "core/css/RemoteFontFaceSource.h"
 
 #include "core/css/CSSCustomFontData.h"
 #include "core/css/CSSFontFace.h"
 #include "core/css/CSSFontSelector.h"
 #include "core/dom/Document.h"
@@ skipping 213 matching lines @@
   }
   RefPtr<CSSCustomFontData> cssFontData = CSSCustomFontData::create(
       this, m_period == BlockPeriod ? CSSCustomFontData::InvisibleFallback
                                     : CSSCustomFontData::VisibleFallback);
   return SimpleFontData::create(temporaryFont->platformData(), cssFontData);
 }
 
 void RemoteFontFaceSource::beginLoadIfNeeded() {
   if (m_fontSelector->document() && m_font->stillNeedsLoad()) {
     m_fontSelector->document()->fetcher()->startLoad(m_font);
+    if (!m_font->isLoaded())
+      m_font->startLoadLimitTimers();
     m_histograms.loadStarted();
   }
-  m_font->startLoadLimitTimersIfNeeded();
 
   if (m_face)
     m_face->didBeginLoad();
 }
 
 DEFINE_TRACE(RemoteFontFaceSource) {
   visitor->trace(m_font);
   visitor->trace(m_fontSelector);
   CSSFontFaceSource::trace(visitor);
   FontResourceClient::trace(visitor);
@@ skipping 172 matching lines @@
       return Miss;
     case FromUnknown:
     // Fall through.
     default:
       NOTREACHED();
   }
   return Miss;
 }
 
 }  // namespace blink