refactor: use base::NoDestructor instead of base::LazyInstance (#40978)

* refactor: use NoDestructor for g_io_thread_application_locale

Co-authored-by: Charles Kerr <charles@charleskerr.com>

* refactor: use NoDestructor for ExtensionActionAPI::GetFactoryInstance()

Co-authored-by: Charles Kerr <charles@charleskerr.com>

* refactor: use NoDestructor for ElectronExtensionsClient::GetPermissionMessageProvider()

Co-authored-by: Charles Kerr <charles@charleskerr.com>

* refactor: use NoDestructor for feat_add_support_for_overriding_the_base_spellchecker_download_url.patch

Co-authored-by: Charles Kerr <charles@charleskerr.com>

* chore: remove unused #include

Co-authored-by: Charles Kerr <charles@charleskerr.com>

* fixup! refactor: use NoDestructor for ElectronExtensionsClient::GetPermissionMessageProvider()

make sure instance is static

Co-authored-by: Charles Kerr <charles@charleskerr.com>

* chore: remove unused #include "base/lazy_instance.h"

Co-authored-by: Charles Kerr <charles@charleskerr.com>

---------

Co-authored-by: trop[bot] <37223003+trop[bot]@users.noreply.github.com>
Co-authored-by: Charles Kerr <charles@charleskerr.com>

patches/chromium/feat_add_support_for_overriding_the_base_spellchecker_download_url.patch

@@ -9,15 +9,22 @@ production use cases.  This is unlikely to be upstreamed as the change
 is entirely in //chrome.
 
 diff --git a/chrome/browser/spellchecker/spellcheck_hunspell_dictionary.cc b/chrome/browser/spellchecker/spellcheck_hunspell_dictionary.cc
-index 48b7a20c212578ba9055b781b5c05b312fa7e974..3ae8136e5c938be80df141f7ca582d974fb08eed 100644
+index 48b7a20c212578ba9055b781b5c05b312fa7e974..d7d92f326ba94be7a3960d527bc2b6d8d15890fa 100644
 --- a/chrome/browser/spellchecker/spellcheck_hunspell_dictionary.cc
 +++ b/chrome/browser/spellchecker/spellcheck_hunspell_dictionary.cc
-@@ -49,6 +49,9 @@ namespace {
+@@ -13,6 +13,7 @@
+ #include "base/functional/bind.h"
+ #include "base/lazy_instance.h"
+ #include "base/location.h"
++#include "base/no_destructor.h"
+ #include "base/notreached.h"
+ #include "base/observer_list.h"
+ #include "base/path_service.h"
+@@ -49,6 +50,8 @@ namespace {
  base::LazyInstance<GURL>::Leaky g_download_url_for_testing =
      LAZY_INSTANCE_INITIALIZER;
  
-+base::LazyInstance<GURL>::Leaky g_base_download_url_override =
-+    LAZY_INSTANCE_INITIALIZER;
++base::NoDestructor<GURL> g_base_download_url_override;
 +
  // Close the file.
  void CloseDictionary(base::File file) {
@@ -27,7 +34,7 @@ index 48b7a20c212578ba9055b781b5c05b312fa7e974..3ae8136e5c938be80df141f7ca582d97
  }
  
 +void SpellcheckHunspellDictionary::SetBaseDownloadURL(const GURL url) {
-+  g_base_download_url_override.Get() = url;
++  *g_base_download_url_override = url;
 +}
 +
  GURL SpellcheckHunspellDictionary::GetDictionaryURL() {
@@ -37,8 +44,8 @@ index 48b7a20c212578ba9055b781b5c05b312fa7e974..3ae8136e5c938be80df141f7ca582d97
    std::string bdict_file = dictionary_file_.path.BaseName().MaybeAsASCII();
    DCHECK(!bdict_file.empty());
  
-+  if (g_base_download_url_override.Get() != GURL())
-+    return GURL(g_base_download_url_override.Get().spec() + base::ToLowerASCII(bdict_file));
++  if (*g_base_download_url_override != GURL())
++    return GURL(g_base_download_url_override->spec() + base::ToLowerASCII(bdict_file));
 +
    static const char kDownloadServerUrl[] =
        "https://redirector.gvt1.com/edgedl/chrome/dict/";

shell/browser/electron_browser_client.cc

@@ -17,7 +17,6 @@
 #include "base/environment.h"
 #include "base/files/file_util.h"
 #include "base/json/json_reader.h"
-#include "base/lazy_instance.h"
 #include "base/no_destructor.h"
 #include "base/path_service.h"
 #include "base/stl_util.h"
@@ -221,14 +220,13 @@ namespace {
 
 ElectronBrowserClient* g_browser_client = nullptr;
 
-base::LazyInstance<std::string>::DestructorAtExit
-    g_io_thread_application_locale = LAZY_INSTANCE_INITIALIZER;
+base::NoDestructor<std::string> g_io_thread_application_locale;
 
 base::NoDestructor<std::string> g_application_locale;
 
 void SetApplicationLocaleOnIOThread(const std::string& locale) {
   DCHECK_CURRENTLY_ON(BrowserThread::IO);
-  g_io_thread_application_locale.Get() = locale;
+  *g_io_thread_application_locale = locale;
 }
 
 void BindNetworkHintsHandler(
@@ -337,7 +335,7 @@ void ElectronBrowserClient::SetApplicationLocale(const std::string& locale) {
   if (!BrowserThread::IsThreadInitialized(BrowserThread::IO) ||
       !content::GetIOThreadTaskRunner({})->PostTask(
           FROM_HERE, base::BindOnce(&SetApplicationLocaleOnIOThread, locale))) {
-    g_io_thread_application_locale.Get() = locale;
+    *g_io_thread_application_locale = locale;
   }
   *g_application_locale = locale;
 }
@@ -1499,9 +1497,9 @@ void ElectronBrowserClient::
 }
 
 std::string ElectronBrowserClient::GetApplicationLocale() {
-  if (BrowserThread::CurrentlyOn(BrowserThread::IO))
-    return g_io_thread_application_locale.Get();
-  return *g_application_locale;
+  return BrowserThread::CurrentlyOn(BrowserThread::IO)
+             ? *g_io_thread_application_locale
+             : *g_application_locale;
 }
 
 bool ElectronBrowserClient::ShouldEnableStrictSiteIsolation() {

shell/browser/extensions/api/extension_action/extension_action_api.cc

@@ -10,7 +10,7 @@
 #include <utility>
 
 #include "base/functional/bind.h"
-#include "base/lazy_instance.h"
+#include "base/no_destructor.h"
 #include "base/observer_list.h"
 #include "extensions/browser/event_router.h"
 #include "extensions/browser/extension_prefs.h"
@@ -38,9 +38,6 @@ ExtensionActionAPI::Observer::~Observer() {}
 // ExtensionActionAPI
 //
 
-static base::LazyInstance<BrowserContextKeyedAPIFactory<ExtensionActionAPI>>::
-    DestructorAtExit g_extension_action_api_factory = LAZY_INSTANCE_INITIALIZER;
-
 ExtensionActionAPI::ExtensionActionAPI(content::BrowserContext* context)
     : browser_context_(context), extension_prefs_(nullptr) {}
 
@@ -49,7 +46,9 @@ ExtensionActionAPI::~ExtensionActionAPI() {}
 // static
 BrowserContextKeyedAPIFactory<ExtensionActionAPI>*
 ExtensionActionAPI::GetFactoryInstance() {
-  return g_extension_action_api_factory.Pointer();
+  static base::NoDestructor<BrowserContextKeyedAPIFactory<ExtensionActionAPI>>
+      instance;
+  return instance.get();
 }
 
 // static

shell/browser/extensions/electron_extension_host_delegate.cc

@@ -8,7 +8,6 @@
 #include <string>
 #include <utility>
 
-#include "base/lazy_instance.h"
 #include "base/logging.h"
 #include "extensions/browser/media_capture_util.h"
 #include "shell/browser/api/electron_api_web_contents.h"

shell/common/asar/asar_util.cc

@@ -10,7 +10,6 @@
 
 #include "base/files/file_path.h"
 #include "base/files/file_util.h"
-#include "base/lazy_instance.h"
 #include "base/logging.h"
 #include "base/no_destructor.h"
 #include "base/stl_util.h"

shell/common/extensions/electron_extensions_client.cc

@@ -7,8 +7,8 @@
 #include <memory>
 #include <string>
 
-#include "base/lazy_instance.h"
 #include "base/logging.h"
+#include "base/no_destructor.h"
 #include "components/version_info/version_info.h"
 #include "content/public/common/user_agent.h"
 #include "extensions/common/core_extensions_api_provider.h"
@@ -60,9 +60,6 @@ class ElectronPermissionMessageProvider
   }
 };
 
-base::LazyInstance<ElectronPermissionMessageProvider>::DestructorAtExit
-    g_permission_message_provider = LAZY_INSTANCE_INITIALIZER;
-
 }  // namespace
 
 ElectronExtensionsClient::ElectronExtensionsClient()
@@ -85,7 +82,9 @@ void ElectronExtensionsClient::InitializeWebStoreUrls(
 const extensions::PermissionMessageProvider&
 ElectronExtensionsClient::GetPermissionMessageProvider() const {
   NOTIMPLEMENTED();
-  return g_permission_message_provider.Get();
+
+  static base::NoDestructor<ElectronPermissionMessageProvider> instance;
+  return *instance;
 }
 
 const std::string ElectronExtensionsClient::GetProductName() {