Revert 148069 and 148060 to see if they were responsible for a perf regression

Source/WebCore/loader/SubresourceLoader.h

Index: Source/WebCore/loader/SubresourceLoader.h
diff --git a/Source/WebCore/dom/ExceptionBase.h b/Source/WebCore/loader/SubresourceLoader.h
similarity index 60%
copy from Source/WebCore/dom/ExceptionBase.h
copy to Source/WebCore/loader/SubresourceLoader.h
index 01e5f1d9dfed2da663e2b1c9268fa4fcda9f3e5a..7593e5c550dd627505cef088a639455768201d38 100644
--- a/Source/WebCore/dom/ExceptionBase.h
+++ b/Source/WebCore/loader/SubresourceLoader.h
@@ -1,18 +1,18 @@
 /*
- * Copyright (C) 2007 Apple Inc. All rights reserved.
+ * Copyright (C) 2005, 2006, 2009 Apple 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.
+ *     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.
+ *     documentation and/or other materials provided with the distribution. 
  * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
  *     its contributors may be used to endorse or promote products derived
- *     from this software without specific prior written permission.
+ *     from this software without specific prior written permission. 
  *
  * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
@@ -26,36 +26,36 @@
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#ifndef ExceptionBase_h
-#define ExceptionBase_h
+#ifndef SubresourceLoader_h
+#define SubresourceLoader_h
 
-#include "ExceptionCode.h"
-#include <wtf/RefCounted.h>
-#include <wtf/text/WTFString.h>
+#include "FrameLoaderTypes.h"
+#include "ResourceLoader.h"
 
+#include <wtf/text/WTFString.h>
+ 
 namespace WebCore {
 
-struct ExceptionCodeDescription;
-
-class ExceptionBase : public RefCounted<ExceptionBase> {
+class SubresourceLoader : public ResourceLoader {
 public:
-    unsigned short code() const { return m_code; }
-    String name() const { return m_name; }
-    String message() const { return m_message; }
-    String description() const { return m_description; }
+    static PassRefPtr<SubresourceLoader> create(Frame*, CachedResource*, const ResourceRequest&, const ResourceLoaderOptions&);
 
-    String toString() const;
+private:
+    SubresourceLoader(Frame*, CachedResource*, const ResourceLoaderOptions&);
+    virtual ~SubresourceLoader();
 
-protected:
-    explicit ExceptionBase(const ExceptionCodeDescription&);
+    virtual bool init(const ResourceRequest&) OVERRIDE;
 
-private:
-    unsigned short m_code;
-    String m_name;
-    String m_message;
-    String m_description;
+    virtual void willSendRequest(ResourceRequest&, const ResourceResponse& redirectResponse) OVERRIDE;
+    virtual void didReceiveResponse(const ResourceResponse&) OVERRIDE;
+    virtual void didReceiveCachedMetadata(const char*, int) OVERRIDE;
+    virtual void didFinishLoading(double finishTime) OVERRIDE;
+    virtual void didFail(const ResourceError&) OVERRIDE;
+    virtual void releaseResources() OVERRIDE;
+
+    bool checkForHTTPStatusCodeError();
 };
 
-} // namespace WebCore
+}
 
-#endif // ExceptionBase_h
+#endif // SubresourceLoader_h