Allow creating font data while FontResource is revalidating

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 189 matching lines @@
 
   return networkIsSlow && m_display == FontDisplayAuto;
 }
 
 bool RemoteFontFaceSource::isLowPriorityLoadingAllowedForRemoteFont() const {
   return m_isInterventionTriggered;
 }
 
 PassRefPtr<SimpleFontData> RemoteFontFaceSource::createFontData(
     const FontDescription& fontDescription) {
-  if (!isLoaded())
+  if (!isLoaded() && !m_font->hasCustomFontData())
     return createLoadingFallbackFontData(fontDescription);
 
   if (!m_font->ensureCustomFontData() || m_period == FailurePeriod)
     return nullptr;
 
   m_histograms.recordFallbackTime(m_font.get());
 
   return SimpleFontData::create(
       m_font->platformDataFromCustomData(fontDescription.effectiveFontSize(),
                                          fontDescription.isSyntheticBold(),
@@ skipping 245 matching lines @@
       return Miss;
     case FromUnknown:
     // Fall through.
     default:
       NOTREACHED();
   }
   return Miss;
 }
 
 }  // namespace blink