Revert "Create errors (especially cancellation errors) internally to WebCore, rather"

Source/WebKit/chromium/tests/WebFrameTest.cpp

 /*
  * Copyright (C) 2010 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 1220 matching lines @@
 
 class TestReloadDoesntRedirectWebFrameClient : public WebFrameClient {
 public:
     virtual WebNavigationPolicy decidePolicyForNavigation(
         WebFrame*, const WebURLRequest&, WebNavigationType,
         WebNavigationPolicy defaultPolicy, bool isRedirect)
     {
         EXPECT_FALSE(isRedirect);
         return WebNavigationPolicyCurrentTab;
     }
+
+    virtual WebURLError cancelledError(WebFrame*, const WebURLRequest& request)
+    {
+        // Return a dummy error so the DocumentLoader doesn't assert when
+        // the reload cancels it.
+        WebURLError webURLError;
+        webURLError.domain = "";
+        webURLError.reason = 1;
+        webURLError.isCancellation = true;
+        webURLError.unreachableURL = WebURL();
+        return webURLError;
+    }
 };
 
 TEST_F(WebFrameTest, ReloadDoesntSetRedirect)
 {
     // Test for case in http://crbug.com/73104. Reloading a frame very quickly
     // would sometimes call decidePolicyForNavigation with isRedirect=true
     registerMockedHttpURLLoad("form.html");
 
     TestReloadDoesntRedirectWebFrameClient webFrameClient;
     m_webView = FrameTestHelpers::createWebViewAndLoad(m_baseURL + "form.html", false, &webFrameClient);
@@ skipping 1564 matching lines @@
     EXPECT_FALSE(client.wasProgrammaticScroll());
     EXPECT_TRUE(client.wasUserScroll());
     client.reset();
 
     m_webView->close();
     m_webView = 0;
 }
 
 
 } // namespace