Non-SFI mode: Build ppapi libraries for nacl_helper_nonsfi.

ppapi/nacl_irt/irt_ppapi.cc

Index: ppapi/nacl_irt/irt_ppapi.cc
diff --git a/ppapi/nacl_irt/irt_ppapi.cc b/ppapi/nacl_irt/irt_ppapi.cc
index b56fc8c76660b8076b53993b4cc625997002cd65..ce17f8a1ef5de9e33be84f49c61aa3e523b5d660 100644
--- a/ppapi/nacl_irt/irt_ppapi.cc
+++ b/ppapi/nacl_irt/irt_ppapi.cc
@@ -4,6 +4,7 @@
 
 #include <unistd.h>
 
+#include "build/build_config.h"
 #include "native_client/src/public/irt_core.h"
 #include "native_client/src/trusted/service_runtime/include/sys/unistd.h"
 #include "native_client/src/untrusted/irt/irt.h"
@@ -17,8 +18,13 @@
 static struct PP_StartFunctions g_pp_functions;
 
 int irt_ppapi_start(const struct PP_StartFunctions* funcs) {
+#if !defined(OS_NACL_NONSFI)
   // Disable NaCl's open_resource() interface on this thread.
+  // TODO(hidehiko): This flag is no longer used because, even in SFI mode,
+  // we switched from SRPC to Chrome IPC for open_resource() implementation.
+  // Remove this flag.
   g_is_main_thread = 1;
+#endif
 
   g_pp_functions = *funcs;
   return PpapiPluginMain();
@@ -42,32 +48,46 @@ static const struct nacl_irt_ppapihook nacl_irt_ppapihook = {
   PpapiPluginRegisterThreadCreator,
 };
 
+#if defined(OS_NACL_SFI)
 static int ppapihook_pnacl_private_filter(void) {
   int pnacl_mode = sysconf(NACL_ABI__SC_NACL_PNACL_MODE);
   if (pnacl_mode == -1)
     return 0;
   return pnacl_mode;
 }
+#endif
 
 static const nacl_irt_resource_open kIrtResourceOpen = {
   ppapi::IrtOpenResource,
 };
 
+#if defined(OS_NACL_SFI)
 static int not_pnacl_filter(void) {
   int pnacl_mode = sysconf(NACL_ABI__SC_NACL_PNACL_MODE);
   if (pnacl_mode == -1)
     return 0;
   return !pnacl_mode;
 }
+#endif
 
 static const struct nacl_irt_interface irt_interfaces[] = {
   { NACL_IRT_PPAPIHOOK_v0_1, &nacl_irt_ppapihook, sizeof(nacl_irt_ppapihook),
     NULL },
+#if defined(OS_NACL_SFI)
   { NACL_IRT_PPAPIHOOK_PNACL_PRIVATE_v0_1,
     &nacl_irt_ppapihook_pnacl_private, sizeof(nacl_irt_ppapihook_pnacl_private),
     ppapihook_pnacl_private_filter },
+#endif
   { NACL_IRT_RESOURCE_OPEN_v0_1, &kIrtResourceOpen,
-    sizeof(kIrtResourceOpen), not_pnacl_filter },
+    sizeof(kIrtResourceOpen),
+#if defined(OS_NACL_SFI)
+    not_pnacl_filter,
+#else
+    // If we change PNaCl to use Non-SFI Mode on the open web,
+    // we should add a filter here.
+    NULL,
+#endif
+  },
 };
 
 size_t chrome_irt_query(const char* interface_ident,