Remove a NOTIMPLEMENTED that was causing layout tests to fail on the Mac....

webkit/tools/test_shell/test_shell_mac.mm

 // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <ApplicationServices/ApplicationServices.h>
 #import <Cocoa/Cocoa.h>
 #import <objc/objc-runtime.h>
 #include <sys/stat.h>
 
 #include "webkit/tools/test_shell/test_shell.h"
@@ skipping 593 matching lines @@
   alert.messageText = @"Attach to me?";
   alert.informativeText = @"This would probably be a good time to attach your "
       "debugger.";
   [alert addButtonWithTitle:@"OK"];
 
   [alert runModal];
 }
 
 StringPiece TestShell::NetResourceProvider(int key) {
   // TODO(port): Return the requested resource.
-  NOTIMPLEMENTED();
   return StringPiece();
 }
 
 //-----------------------------------------------------------------------------
 
 namespace webkit_glue {
 
 string16 GetLocalizedString(int message_id) {
   StringPiece res;
   if (!g_resource_data_pack->Get(message_id, &res)) {
@@ skipping 65 matching lines @@
   return false;
 }
 
 void DidLoadPlugin(const std::string& filename) {
 }
 
 void DidUnloadPlugin(const std::string& filename) {
 }
 
 }  // namespace webkit_glue