Remove base::kInvalidPlatformFileValue from Content

content/shell/app/shell_main_delegate.cc

Index: content/shell/app/shell_main_delegate.cc
diff --git a/content/shell/app/shell_main_delegate.cc b/content/shell/app/shell_main_delegate.cc
index 97ea71a8ecd31ccefd34a2fb776f7cba2ad6bfa4..773e0ae8d4b0dbd8120886c0991c548dd36e98c9 100644
--- a/content/shell/app/shell_main_delegate.cc
+++ b/content/shell/app/shell_main_delegate.cc
@@ -12,7 +12,6 @@
 #include "base/lazy_instance.h"
 #include "base/logging.h"
 #include "base/path_service.h"
-#include "base/platform_file.h"
 #include "cc/base/switches.h"
 #include "content/public/browser/browser_main_runner.h"
 #include "content/public/common/content_switches.h"
@@ -263,7 +262,8 @@ void ShellMainDelegate::InitializeResourceBundle() {
   // ResourceBundle pak at launch time.
   int pak_fd =
       base::GlobalDescriptors::GetInstance()->MaybeGet(kShellPakDescriptor);
-  if (pak_fd != base::kInvalidPlatformFileValue) {
+  if (pak_fd >= 0) {
+    // This is clearly wrong. See crbug.com/330930
     ui::ResourceBundle::InitSharedInstanceWithPakFile(base::File(pak_fd),
                                                       false);
     ResourceBundle::GetSharedInstance().AddDataPackFromFile(