[WIP] WebFonts cache-aware timeout adaption

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

Index: third_party/WebKit/Source/platform/network/ResourceError.h
diff --git a/third_party/WebKit/Source/platform/network/ResourceError.h b/third_party/WebKit/Source/platform/network/ResourceError.h
index 7e0517ff09268fe83d27661ca7a257504f2555c5..a707ca76a4ee683ee7b78214f8ae1d4c235c249d 100644
--- a/third_party/WebKit/Source/platform/network/ResourceError.h
+++ b/third_party/WebKit/Source/platform/network/ResourceError.h
@@ -43,6 +43,7 @@ class PLATFORM_EXPORT ResourceError final {
  public:
   static ResourceError cancelledError(const String& failingURL);
   static ResourceError cancelledDueToAccessCheckError(const String& failingURL);
+  static ResourceError cacheMissError();
 
   ResourceError()
       : m_errorCode(0),
@@ -99,6 +100,8 @@ class PLATFORM_EXPORT ResourceError final {
   }
   bool wasIgnoredByHandler() const { return m_wasIgnoredByHandler; }
 
+  bool isCacheMiss() const;
+
   static bool compare(const ResourceError&, const ResourceError&);
 
  private: