Early out in OnFocusedNodeChanged if there's no view.

content/browser/renderer_host/render_view_host_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/browser/renderer_host/render_view_host_impl.h"
 
 #include <set>
 #include <string>
 #include <utility>
 #include <vector>
@@ skipping 1188 matching lines @@
   if (!is_editable_node && virtual_keyboard_requested_) {
     virtual_keyboard_requested_ = false;
     delegate_->SetIsVirtualKeyboardRequested(false);
     BrowserThread::PostDelayedTask(
         BrowserThread::UI, FROM_HERE,
         base::Bind(base::IgnoreResult(&DismissVirtualKeyboardTask)),
         TimeDelta::FromMilliseconds(kVirtualKeyboardDisplayWaitTimeoutMs));
   }
 #endif
 
+  // None of the rest makes sense without a view.
+  if (!GetWidget()->GetView())
+    return;
+
   // Convert node_bounds to screen coordinates.
   gfx::Rect view_bounds_in_screen = GetWidget()->GetView()->GetViewBounds();
   gfx::Point origin = node_bounds_in_viewport.origin();
   origin.Offset(view_bounds_in_screen.x(), view_bounds_in_screen.y());
   gfx::Rect node_bounds_in_screen(origin.x(), origin.y(),
                                   node_bounds_in_viewport.width(),
                                   node_bounds_in_viewport.height());
   FocusedNodeDetails details = {is_editable_node, node_bounds_in_screen};
   NotificationService::current()->Notify(NOTIFICATION_FOCUS_CHANGED_IN_PAGE,
                                          Source<RenderViewHost>(this),
@@ skipping 194 matching lines @@
   } else {
     render_view_ready_on_process_launch_ = true;
   }
 }
 
 void RenderViewHostImpl::RenderViewReady() {
   delegate_->RenderViewReady(this);
 }
 
 }  // namespace content