[NOT FOR COMMIT] Layout test for WebFonts cache-aware timeout adaption

third_party/WebKit/Source/core/fetch/FontResource.cpp

 /*
  * Copyright (C) 2006, 2007, 2008 Apple Inc. All rights reserved.
  * Copyright (C) 2009 Torch Mobile, Inc.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 70 matching lines @@
       WebURLRequest::RequestContextFont);
   return toFontResource(
       fetcher->requestResource(request, FontResourceFactory()));
 }
 
 FontResource::FontResource(const ResourceRequest& resourceRequest,
                            const ResourceLoaderOptions& options)
     : Resource(resourceRequest, Font, options),
       m_loadLimitState(LoadNotStarted),
       m_corsFailed(false),
+      m_isCallbackDisabledForTesting(false),
       m_fontLoadShortLimitTimer(this,
                                 &FontResource::fontLoadShortLimitCallback),
       m_fontLoadLongLimitTimer(this, &FontResource::fontLoadLongLimitCallback) {
 }
 
 FontResource::~FontResource() {}
 
 void FontResource::didAddClient(ResourceClient* c) {
   DCHECK(FontResourceClient::isExpectedType(c));
   Resource::didAddClient(c);
@@ skipping 45 matching lines @@
 FontPlatformData FontResource::platformDataFromCustomData(
     float size,
     bool bold,
     bool italic,
     FontOrientation orientation) {
   DCHECK(m_fontData);
   return m_fontData->fontPlatformData(size, bold, italic, orientation);
 }
 
 void FontResource::willReloadAfterDiskCacheMiss() {
+  if (m_isCallbackDisabledForTesting)
+    return;
+
   DCHECK(isLoading());
-  DCHECK(loader()->isCacheAwareLoadingActivated());
 
   if (m_loadLimitState == ShortLimitExceeded ||
       m_loadLimitState == LongLimitExceeded)
     notifyClientsShortLimitExceeded();
   if (m_loadLimitState == LongLimitExceeded)
     notifyClientsLongLimitExceeded();
 
   DEFINE_STATIC_LOCAL(
       EnumerationHistogram, loadLimitHistogram,
       ("WebFont.LoadLimitOnDiskCacheMiss", LoadLimitStateEnumMax));
   loadLimitHistogram.count(m_loadLimitState);
 }
 
 void FontResource::fontLoadShortLimitCallback(TimerBase*) {
   DCHECK(isLoading());
   DCHECK_EQ(m_loadLimitState, UnderLimit);
   m_loadLimitState = ShortLimitExceeded;
 
+  if (m_isCallbackDisabledForTesting)
+    return;
+
   // Block client callbacks if currently loading from cache.
   if (loader()->isCacheAwareLoadingActivated())
     return;
   notifyClientsShortLimitExceeded();
 }
 
 void FontResource::fontLoadLongLimitCallback(TimerBase*) {
   DCHECK(isLoading());
   DCHECK_EQ(m_loadLimitState, ShortLimitExceeded);
   m_loadLimitState = LongLimitExceeded;
 
+  if (m_isCallbackDisabledForTesting)
+    return;
+
   // Block client callbacks if currently loading from cache.
   if (loader()->isCacheAwareLoadingActivated())
     return;
   notifyClientsLongLimitExceeded();
 }
 
 void FontResource::notifyClientsShortLimitExceeded() {
   ProhibitAddRemoveClientInScope prohibitAddRemoveClient(this);
   ResourceClientWalker<FontResourceClient> walker(clients());
   while (FontResourceClient* client = walker.next())
@@ skipping 25 matching lines @@
   ResourceClientWalker<FontResourceClient> walker(clients());
   while (FontResourceClient* client = walker.next()) {
     if (!client->isLowPriorityLoadingAllowedForRemoteFont()) {
       return false;
     }
   }
   return true;
 }
 
 }  // namespace blink