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

Tools/DumpRenderTree/chromium/TestRunner/src/WebTestProxy.cpp

Index: Tools/DumpRenderTree/chromium/TestRunner/src/WebTestProxy.cpp
===================================================================
--- Tools/DumpRenderTree/chromium/TestRunner/src/WebTestProxy.cpp	(revision 148290)
+++ Tools/DumpRenderTree/chromium/TestRunner/src/WebTestProxy.cpp	(working copy)
@@ -1252,25 +1252,6 @@
     }
 }
 
-bool WebTestProxyBase::canHandleRequest(WebFrame*, const WebURLRequest& request)
-{
-    GURL url = request.url();
-    // Just reject the scheme used in
-    // LayoutTests/http/tests/misc/redirect-to-external-url.html
-    return !url.SchemeIs("spaceballs");
-}
-
-WebURLError WebTestProxyBase::cannotHandleRequestError(WebFrame*, const WebURLRequest& request)
-{
-    WebURLError error;
-    // A WebKit layout test expects the following values.
-    // unableToImplementPolicyWithError() below prints them.
-    error.domain = WebString::fromUTF8("WebKitErrorDomain");
-    error.reason = 101;
-    error.unreachableURL = request.url();
-    return error;
-}
-
 void WebTestProxyBase::didCreateDataSource(WebFrame*, WebDataSource* ds)
 {
     if (!m_testInterfaces->testRunner()->deferMainResourceDataLoad())
@@ -1401,15 +1382,6 @@
     m_resourceIdentifierMap.erase(identifier);
 }
 
-void WebTestProxyBase::unableToImplementPolicyWithError(WebKit::WebFrame* frame, const WebKit::WebURLError& error)
-{
-    char errorBuffer[40];
-    snprintf(errorBuffer, sizeof(errorBuffer), "%d", error.reason);
-    m_delegate->printMessage(string("Policy delegate: unable to implement policy with error domain '") + error.domain.utf8().data() +
-        "', error code " +  errorBuffer +
-        ", in frame '" + frame->uniqueName().utf8().data() + "'\n");
-}
-
 void WebTestProxyBase::didAddMessageToConsole(const WebConsoleMessage& message, const WebString& sourceName, unsigned sourceLine)
 {
     // This matches win DumpRenderTree's UIDelegate.cpp.