Adds ability for BrowserMainParts::PreEarlyInitialization() to fail

https://chromium-review.googlesource.com/862964

brightray/browser/browser_main_parts.cc

@@ -29,6 +29,7 @@
 #include "brightray/common/main_delegate.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/common/content_switches.h"
+#include "content/public/common/result_codes.h"
 #include "media/base/localized_strings.h"
 #include "net/proxy_resolution/proxy_resolver_v8.h"
 #include "ui/base/l10n/l10n_util.h"
@@ -177,7 +178,7 @@ void OverrideAppLogsPath() {
 }
 #endif
 
-void BrowserMainParts::PreEarlyInitialization() {
+int BrowserMainParts::PreEarlyInitialization() {
   std::unique_ptr<base::FeatureList> feature_list(new base::FeatureList);
   // TODO(deepak1556): Disable guest webcontents based on OOPIF feature.
   feature_list->InitializeFromCommandLine("", "GuestViewCrossProcessFrames");
@@ -192,6 +193,8 @@ void BrowserMainParts::PreEarlyInitialization() {
   // we can't shutdown properly while creating and initializing services.
   ui::SetX11ErrorHandlers(nullptr, nullptr);
 #endif
+
+  return content::RESULT_CODE_NORMAL_EXIT;
 }
 
 void BrowserMainParts::ToolkitInitialized() {

brightray/browser/browser_main_parts.h

@@ -33,7 +33,7 @@ class BrowserMainParts : public content::BrowserMainParts {
 
  protected:
   // content::BrowserMainParts:
-  void PreEarlyInitialization() override;
+  int PreEarlyInitialization() override;
   void ToolkitInitialized() override;
   void PreMainMessageLoopStart() override;
   void PreMainMessageLoopRun() override;