Let the browser handle external navigations from DevTools.

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 3022 matching lines @@
   // security than loading a WebUI, extension or app page in the wrong process.
   // POST requests don't work because this mechanism does not preserve form
   // POST data. We will need to send the request's httpBody data up to the
   // browser process, and issue a special POST navigation in WebKit (via
   // FrameLoader::loadFrameRequest). See ResourceDispatcher and WebURLLoaderImpl
   // for examples of how to send the httpBody data.
   if (!frame->parent() && is_content_initiated &&
       !url.SchemeIs(chrome::kAboutScheme)) {
     bool send_referrer = false;
 
-    // All navigations to WebUI URLs or within WebUI-enabled RenderProcesses
-    // must be handled by the browser process so that the correct bindings and
-    // data sources can be registered.
+    // All navigations to or from WebUI URLs or within WebUI-enabled
+    // RenderProcesses must be handled by the browser process so that the
+    // correct bindings and data sources can be registered.
     // Similarly, navigations to view-source URLs or within ViewSource mode
     // must be handled by the browser process (except for reloads - those are
     // safe to leave within the renderer).
     // Lastly, access to file:// URLs from non-file:// URL pages must be
     // handled by the browser so that ordinary renderer processes don't get
     // blessed with file permissions.
     int cumulative_bindings = RenderProcess::current()->GetEnabledBindings();
     bool is_initial_navigation = page_id_ == -1;
-    bool should_fork = HasWebUIScheme(url) ||
+    bool should_fork = HasWebUIScheme(url) || HasWebUIScheme(old_url) ||
         (cumulative_bindings & BINDINGS_POLICY_WEB_UI) ||
         url.SchemeIs(chrome::kViewSourceScheme) ||
         (frame->isViewSourceModeEnabled() &&
             type != WebKit::WebNavigationTypeReload);
 
     if (!should_fork && url.SchemeIs(chrome::kFileScheme)) {
       // Fork non-file to file opens.  Check the opener URL if this is the
       // initial navigation in a newly opened window.
       GURL source_url(old_url);
       if (is_initial_navigation && source_url.is_empty() && frame->opener())
@@ skipping 3687 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