Fix crashes loading chrome://system with extensions disabled (issue #2415)

patch/patches/webui_2037.patch

@@ -1,8 +1,16 @@
 diff --git chrome/browser/feedback/system_logs/log_sources/chrome_internal_log_source.cc chrome/browser/feedback/system_logs/log_sources/chrome_internal_log_source.cc
-index e3a222a90f33..24298a7423f1 100644
+index e3a222a90f33..8b909deef05d 100644
 --- chrome/browser/feedback/system_logs/log_sources/chrome_internal_log_source.cc
 +++ chrome/browser/feedback/system_logs/log_sources/chrome_internal_log_source.cc
-@@ -164,6 +164,10 @@ void ChromeInternalLogSource::Fetch(SysLogsSourceCallback callback) {
+@@ -17,6 +17,7 @@
+ #include "chrome/browser/profiles/profile_manager.h"
+ #include "chrome/browser/sync/profile_sync_service_factory.h"
+ #include "chrome/common/channel_info.h"
++#include "chrome/common/chrome_switches.h"
+ #include "chrome/common/pref_names.h"
+ #include "components/browser_sync/profile_sync_service.h"
+ #include "components/prefs/pref_service.h"
+@@ -164,6 +165,10 @@ void ChromeInternalLogSource::Fetch(SysLogsSourceCallback callback) {
  }
  
  void ChromeInternalLogSource::PopulateSyncLogs(SystemLogsResponse* response) {
@@ -13,6 +21,44 @@ index e3a222a90f33..24298a7423f1 100644
    // We are only interested in sync logs for the primary user profile.
    Profile* profile = ProfileManager::GetPrimaryUserProfile();
    if (!profile ||
+@@ -208,6 +213,12 @@ void ChromeInternalLogSource::PopulateExtensionInfoLogs(
+   if (!profile)
+     return;
+ 
++  // CEF should avoid accessing ExtensionRegistry when extensions are disabled.
++  if (base::CommandLine::ForCurrentProcess()->HasSwitch(
++      switches::kDisableExtensions)) {
++    return;
++  }
++
+   extensions::ExtensionRegistry* extension_registry =
+       extensions::ExtensionRegistry::Get(profile);
+   std::string extensions_list;
+diff --git chrome/browser/memory_details.cc chrome/browser/memory_details.cc
+index 5ef6e7292f5f..2884102c28e8 100644
+--- chrome/browser/memory_details.cc
++++ chrome/browser/memory_details.cc
+@@ -16,6 +16,7 @@
+ #include "base/task_scheduler/post_task.h"
+ #include "build/build_config.h"
+ #include "chrome/browser/profiles/profile.h"
++#include "chrome/common/chrome_switches.h"
+ #include "components/nacl/common/nacl_process_type.h"
+ #include "components/strings/grit/components_strings.h"
+ #include "content/public/browser/browser_child_process_host_iterator.h"
+@@ -253,8 +254,11 @@ void MemoryDetails::CollectChildInfoOnUIThread() {
+ 
+ #if BUILDFLAG(ENABLE_EXTENSIONS)
+     // Determine if this is an extension process.
++    // CEF should avoid accessing ExtensionRegistry when extensions are disabled.
+     bool process_is_for_extensions = false;
+-    if (render_process_host) {
++    if (render_process_host &&
++        !base::CommandLine::ForCurrentProcess()->HasSwitch(
++            switches::kDisableExtensions)) {
+       content::BrowserContext* context =
+           render_process_host->GetBrowserContext();
+       extensions::ExtensionRegistry* extension_registry =
 diff --git chrome/browser/ui/webui/net_internals/net_internals_ui.cc chrome/browser/ui/webui/net_internals/net_internals_ui.cc
 index 158173bac8eb..26af7ef2e14b 100644
 --- chrome/browser/ui/webui/net_internals/net_internals_ui.cc