Fix 2 issues that were hitting dchecks when enabling ModuleDatabase

chrome/renderer/chrome_content_renderer_client.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 "chrome/renderer/chrome_content_renderer_client.h"
 
 #include <memory>
 #include <utility>
 
 #include "base/bind.h"
@@ skipping 348 matching lines @@
   {
     startup_metric_utils::mojom::StartupMetricHostPtr startup_metric_host;
     thread->GetRemoteInterfaces()->GetInterface(&startup_metric_host);
     startup_metric_host->RecordRendererMainEntryTime(main_entry_time_);
   }
 
 #if defined(OS_WIN)
   if (base::FeatureList::IsEnabled(features::kModuleDatabase)) {
     thread->GetRemoteInterfaces()->GetInterface(&module_event_sink_);
 
+    // Rebind the ModuleEventSink so that it can be accessed on the IO thread.
+    module_event_sink_.Bind(module_event_sink_.PassInterface(),
+                            thread->GetIOTaskRunner());
+
     // It is safe to pass an unretained pointer to |module_event_sink_|, as it
     // is owned by the process singleton ChromeContentRendererClient, which is
     // leaked.
     module_watcher_ = ModuleWatcher::Create(
         base::Bind(&OnModuleEvent, thread->GetIOTaskRunner(),
                    base::Unretained(&module_event_sink_)));
   }
 #endif
 
   chrome_observer_.reset(new ChromeRenderThreadObserver());
@@ skipping 1131 matching lines @@
     std::vector<base::SchedulerWorkerPoolParams>* params_vector,
     base::TaskScheduler::WorkerPoolIndexForTraitsCallback*
         index_to_traits_callback) {
   DCHECK(params_vector);
   DCHECK(index_to_traits_callback);
   // If this call fails, content will fall back to the default params.
   *params_vector = task_scheduler_util::GetRendererWorkerPoolParams();
   *index_to_traits_callback =
       base::Bind(&task_scheduler_util::RendererWorkerPoolIndexForTraits);
 }