  
    base::WeakPtrFactory<PepperFlashDRMHost> weak_factory_;
 diff --git a/chrome/browser/renderer_host/pepper/pepper_isolated_file_system_message_filter.cc b/chrome/browser/renderer_host/pepper/pepper_isolated_file_system_message_filter.cc
-index 40dde88bf86b..3fe0c6d9b816 100644
+index 5599a2d3d62f..532c7290cc36 100644
 --- a/chrome/browser/renderer_host/pepper/pepper_isolated_file_system_message_filter.cc
 +++ b/chrome/browser/renderer_host/pepper/pepper_isolated_file_system_message_filter.cc
 @@ -7,16 +7,20 @@

 
 int32_t PepperIsolatedFileSystemMessageFilter::OnOpenFileSystem(
     ppapi::host::HostMessageContext* context,
@@ -140,7 +148,7 @@ int32_t PepperIsolatedFileSystemMessageFilter::OnOpenFileSystem(
 
 int32_t PepperIsolatedFileSystemMessageFilter::OpenCrxFileSystem(
     ppapi::host::HostMessageContext* context) {
-#if BUILDFLAG(ENABLE_EXTENSIONS)
+#if 0
   Profile* profile = GetProfile();
   const extensions::ExtensionSet* extension_set = NULL;
   if (profile) {
diff --git a/chrome/browser/renderer_host/pepper/pepper_isolated_file_system_message_filter.h b/chrome/browser/renderer_host/pepper/pepper_isolated_file_system_message_filter.h
index ffbc2d93ca7c..bc6413de31d2 100644
--- a/chrome/browser/renderer_host/pepper/pepper_isolated_file_system_message_filter.h
+++ b/chrome/browser/renderer_host/pepper/pepper_isolated_file_system_message_filter.h
@@ -19,7 +19,9 @@

 #include "content/public/renderer/renderer_ppapi_host.h"
 #include "ppapi/host/ppapi_host.h"
 #include "ppapi/host/resource_host.h"
@@ -86,6 +88,7 @@ ChromeRendererPepperHostFactory::CreateResourceHost(
     }
   }
 
+#if 0
   if (host_->GetPpapiHost()->permissions().HasPermission(
           ppapi::PERMISSION_PDF)) {
     switch (message.type()) {
@@ -104,6 +107,7 @@ ChromeRendererPepperHostFactory::CreateResourceHost(
       return std::make_unique<PepperUMAHost>(host_, instance, resource);
     }
   }
