[WIP] WebFonts cache-aware timeout adaption

third_party/WebKit/Source/platform/network/ResourceError.cpp

 /*
  * Copyright (C) 2006 Apple Computer, Inc.  All rights reserved.
  * Copyright (C) 2009 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:
  * 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
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  *
  * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include "platform/network/ResourceError.h"
 
+#include "net/base/net_errors.h"
 #include "platform/weborigin/KURL.h"
 #include "public/platform/Platform.h"
 #include "public/platform/WebURL.h"
 #include "public/platform/WebURLError.h"
 
 namespace blink {
 
 const char errorDomainBlinkInternal[] = "BlinkInternal";
 
 ResourceError ResourceError::cancelledError(const String& failingURL) {
   return Platform::current()->cancelledError(KURL(ParsedURLString, failingURL));
 }
 
 ResourceError ResourceError::cancelledDueToAccessCheckError(
     const String& failingURL) {
   ResourceError error = cancelledError(failingURL);
   error.setIsAccessCheck(true);
   return error;
 }
 
+ResourceError ResourceError::cacheMissError() {
+  ResourceError error;

[yhirano, 2016/10/25 08:50:28]

error.m_domain = String(net::kErrorDomain);

+  error.m_errorCode = net::ERR_CACHE_MISS;
+  error.m_isNull = false;
+  return error;
+}
+
 ResourceError ResourceError::copy() const {
   ResourceError errorCopy;
   errorCopy.m_domain = m_domain.isolatedCopy();
   errorCopy.m_errorCode = m_errorCode;
   errorCopy.m_failingURL = m_failingURL.isolatedCopy();
   errorCopy.m_localizedDescription = m_localizedDescription.isolatedCopy();
   errorCopy.m_isNull = m_isNull;
   errorCopy.m_isCancellation = m_isCancellation;
   errorCopy.m_isAccessCheck = m_isAccessCheck;
   errorCopy.m_isTimeout = m_isTimeout;
   errorCopy.m_staleCopyInCache = m_staleCopyInCache;
   errorCopy.m_wasIgnoredByHandler = m_wasIgnoredByHandler;
   return errorCopy;
 }
 
+bool ResourceError::isCacheMiss() const {
+  return m_errorCode == net::ERR_CACHE_MISS;

[yhirano, 2016/10/25 08:50:28]

We need to check m_domain as well.

+}
+
 bool ResourceError::compare(const ResourceError& a, const ResourceError& b) {
   if (a.isNull() && b.isNull())
     return true;
 
   if (a.isNull() || b.isNull())
     return false;
 
   if (a.domain() != b.domain())
     return false;
 
@@ skipping 18 matching lines @@
   if (a.staleCopyInCache() != b.staleCopyInCache())
     return false;
 
   if (a.wasIgnoredByHandler() != b.wasIgnoredByHandler())
     return false;
 
   return true;
 }
 
 }  // namespace blink