Drop the bool parameter from InitSharedInstanceWithPakFileRegion().

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 1af3303c832c5faef5944fad9b144333ed790a48..05c8c0419424f83c87e5b05a3e56ea68f00b5daa 100644
--- a/content/shell/app/shell_main_delegate.cc
+++ b/content/shell/app/shell_main_delegate.cc
@@ -268,7 +268,7 @@ void ShellMainDelegate::InitializeResourceBundle() {
   if (pak_fd >= 0) {
     // This is clearly wrong. See crbug.com/330930
     ui::ResourceBundle::InitSharedInstanceWithPakFileRegion(
-        base::File(pak_fd), base::MemoryMappedFile::Region::kWholeFile, false);
+        base::File(pak_fd), base::MemoryMappedFile::Region::kWholeFile);
     ResourceBundle::GetSharedInstance().AddDataPackFromFile(
         base::File(pak_fd), ui::SCALE_FACTOR_100P);
     return;