Don't display navigation error pages during layout tests

content/renderer/render_view_impl.cc

 // Copyright (c) 2012 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 "content/renderer/render_view_impl.h"
 
 #include <algorithm>
 #include <cmath>
 
 #include "base/auto_reset.h"
@@ skipping 3439 matching lines @@
   params.url = error.unreachableURL;
   params.showing_repost_interstitial = show_repost_interstitial;
   Send(new ViewHostMsg_DidFailProvisionalLoadWithError(
       routing_id_, params));
 
   // Don't display an error page if this is simply a cancelled load.  Aside
   // from being dumb, WebCore doesn't expect it and it will cause a crash.
   if (error.reason == net::ERR_ABORTED)
     return;
 
+  if (RenderThreadImpl::current()->skip_error_pages())
+    return;
+
   // Make sure we never show errors in view source mode.
   frame->enableViewSourceMode(false);
 
   DocumentState* document_state = DocumentState::FromDataSource(ds);
   NavigationState* navigation_state = document_state->navigation_state();
 
   // If this is a failed back/forward/reload navigation, then we need to do a
   // 'replace' load.  This is necessary to avoid messing up session history.
   // Otherwise, we do a normal load, which simulates a 'go' navigation as far
   // as session history is concerned.
@@ skipping 3122 matching lines @@
   TransportDIB* dib = TransportDIB::CreateWithHandle(dib_handle);
   RenderProcess::current()->ReleaseTransportDIB(dib);
 }
 
 void RenderViewImpl::DidCommitCompositorFrame() {
   RenderWidget::DidCommitCompositorFrame();
   FOR_EACH_OBSERVER(RenderViewObserver, observers_, DidCommitCompositorFrame());
 }
 
 }  // namespace content