Diagnose RenderFrameImpl::didCommitProvisionalLoad crash.

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"
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/command_line.h"
 #include "base/compiler_specific.h"
 #include "base/debug/alias.h"
+#include "base/debug/crash_logging.h"
 #include "base/files/file_path.h"
 #include "base/i18n/rtl.h"
 #include "base/json/json_writer.h"
 #include "base/lazy_instance.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/metrics/field_trial.h"
 #include "base/metrics/histogram.h"
 #include "base/process/kill.h"
 #include "base/process/process.h"
 #include "base/strings/string_number_conversions.h"
@@ skipping 649 matching lines @@
 
   g_view_map.Get().insert(std::make_pair(webview(), this));
   g_routing_id_view_map.Get().insert(std::make_pair(routing_id(), this));
 
   const base::CommandLine& command_line =
       *base::CommandLine::ForCurrentProcess();
 
   if (command_line.HasSwitch(switches::kStatsCollectionController))
     stats_collection_observer_.reset(new StatsCollectionObserver(this));
 
+  // Debug cases of https://crbug.com/575245.
+  base::debug::SetCrashKeyValue("rvinit_view_id",
+                                base::IntToString(routing_id()));
+  base::debug::SetCrashKeyValue("rvinit_proxy_id",
+                                base::IntToString(params.proxy_routing_id));
+  base::debug::SetCrashKeyValue(
+      "rvinit_main_frame_id", base::IntToString(params.main_frame_routing_id));
+
   if (params.main_frame_routing_id != MSG_ROUTING_NONE) {
     main_render_frame_ = RenderFrameImpl::CreateMainFrame(
         this, params.main_frame_routing_id, params.main_frame_widget_routing_id,
         params.hidden, screen_info(), compositor_deps_);
   }
 
   if (params.proxy_routing_id != MSG_ROUTING_NONE) {
     CHECK(params.swapped_out);
     if (main_render_frame_) {
       DCHECK(!SiteIsolationPolicy::IsSwappedOutStateForbidden());
@@ skipping 3032 matching lines @@
   if (IsUseZoomForDSFEnabled()) {
     webview()->setZoomFactorForDeviceScaleFactor(device_scale_factor_);
   } else {
     webview()->setDeviceScaleFactor(device_scale_factor_);
   }
   webview()->settings()->setPreferCompositingToLCDTextEnabled(
       PreferCompositingToLCDText(compositor_deps_, device_scale_factor_));
 }
 
 }  // namespace content