Diagnose RenderFrameImpl::didCommitProvisionalLoad crash.

content/renderer/render_thread_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_thread_impl.h"
 
 #include <algorithm>
 #include <limits>
 #include <map>
 #include <utility>
 #include <vector>
 
 #include "base/allocator/allocator_extension.h"
 #include "base/command_line.h"
+#include "base/debug/crash_logging.h"
 #include "base/lazy_instance.h"
 #include "base/location.h"
 #include "base/logging.h"
 #include "base/macros.h"
 #include "base/memory/discardable_memory_allocator.h"
 #include "base/memory/shared_memory.h"
 #include "base/metrics/field_trial.h"
 #include "base/metrics/histogram.h"
 #include "base/path_service.h"
 #include "base/single_thread_task_runner.h"
@@ skipping 1732 matching lines @@
       params.replication_state, compositor_deps, params.widget_params,
       params.frame_owner_properties);
 }
 
 void RenderThreadImpl::OnCreateNewFrameProxy(
     int routing_id,
     int render_view_routing_id,
     int opener_routing_id,
     int parent_routing_id,
     const FrameReplicationState& replicated_state) {
+  // Debug cases of https://crbug.com/575245.
+  base::debug::SetCrashKeyValue("newproxy_proxy_id",
+                                base::IntToString(routing_id));
+  base::debug::SetCrashKeyValue("newproxy_view_id",
+                                base::IntToString(render_view_routing_id));
+  base::debug::SetCrashKeyValue("newproxy_opener_id",
+                                base::IntToString(opener_routing_id));
+  base::debug::SetCrashKeyValue("newproxy_parent_id",
+                                base::IntToString(parent_routing_id));
   RenderFrameProxy::CreateFrameProxy(routing_id, render_view_routing_id,
                                      opener_routing_id, parent_routing_id,
                                      replicated_state);
 }
 
 void RenderThreadImpl::OnSetZoomLevelForCurrentURL(const std::string& scheme,
                                                    const std::string& host,
                                                    double zoom_level) {
   RenderViewZoomer zoomer(scheme, host, zoom_level);
   RenderView::ForEach(&zoomer);
@@ skipping 337 matching lines @@
 }
 
 void RenderThreadImpl::PendingRenderFrameConnect::OnConnectionError() {
   size_t erased =
       RenderThreadImpl::current()->pending_render_frame_connects_.erase(
           routing_id_);
   DCHECK_EQ(1u, erased);
 }
 
 }  // namespace content