Check that the PNaCl cache hash is truly derived from the bitcode content.

ppapi/native_client/src/untrusted/pnacl_irt_shim/pnacl_shim.c

Index: ppapi/native_client/src/untrusted/pnacl_irt_shim/pnacl_shim.c
diff --git a/ppapi/native_client/src/untrusted/pnacl_irt_shim/pnacl_shim.c b/ppapi/native_client/src/untrusted/pnacl_irt_shim/pnacl_shim.c
index 8b582a028583628638c123476cee05783b2cae31..7f9e5c1d896fab9ba080cb8053e1ed1b8d07843f 100644
--- a/ppapi/native_client/src/untrusted/pnacl_irt_shim/pnacl_shim.c
+++ b/ppapi/native_client/src/untrusted/pnacl_irt_shim/pnacl_shim.c
@@ -91,6 +91,7 @@
 #include "ppapi/c/private/ppb_gpu_blacklist_private.h"
 #include "ppapi/c/private/ppb_host_resolver_private.h"
 #include "ppapi/c/private/ppb_instance_private.h"
+#include "ppapi/c/private/ppb_nacl_hash_private.h"
 #include "ppapi/c/private/ppb_nacl_private.h"
 #include "ppapi/c/private/ppb_net_address_private.h"
 #include "ppapi/c/private/ppb_network_list_private.h"
@@ -254,6 +255,7 @@ static struct __PnaclWrapperInfo Pnacl_WrapperInfo_PPB_Flash_Print_1_0;
 static struct __PnaclWrapperInfo Pnacl_WrapperInfo_PPB_GpuBlacklist_Private_0_2;
 static struct __PnaclWrapperInfo Pnacl_WrapperInfo_PPB_HostResolver_Private_0_1;
 static struct __PnaclWrapperInfo Pnacl_WrapperInfo_PPB_Instance_Private_0_1;
+static struct __PnaclWrapperInfo Pnacl_WrapperInfo_PPB_NaCl_Hash_Private_1_0;
 static struct __PnaclWrapperInfo Pnacl_WrapperInfo_PPB_NaCl_Private_1_0;
 static struct __PnaclWrapperInfo Pnacl_WrapperInfo_PPB_NetAddress_Private_0_1;
 static struct __PnaclWrapperInfo Pnacl_WrapperInfo_PPB_NetAddress_Private_1_0;
@@ -2772,6 +2774,8 @@ static void Pnacl_M13_PPB_Instance_Private_ExecuteScript(struct PP_Var* _struct_
 
 /* End wrapper methods for PPB_Instance_Private_0_1 */
 
+/* Not generating wrapper methods for PPB_NaCl_Hash_Private_1_0 */
+
 /* Not generating wrapper methods for PPB_NaCl_Private_1_0 */
 
 /* Begin wrapper methods for PPB_NetAddress_Private_0_1 */
@@ -4358,6 +4362,8 @@ struct PPB_Instance_Private_0_1 Pnacl_Wrappers_PPB_Instance_Private_0_1 = {
     .ExecuteScript = (struct PP_Var (*)(PP_Instance instance, struct PP_Var script, struct PP_Var* exception))&Pnacl_M13_PPB_Instance_Private_ExecuteScript
 };
 
+/* Not generating wrapper interface for PPB_NaCl_Hash_Private_1_0 */
+
 /* Not generating wrapper interface for PPB_NaCl_Private_1_0 */
 
 struct PPB_NetAddress_Private_0_1 Pnacl_Wrappers_PPB_NetAddress_Private_0_1 = {
@@ -5316,6 +5322,12 @@ static struct __PnaclWrapperInfo Pnacl_WrapperInfo_PPB_Instance_Private_0_1 = {
   .real_iface = NULL
 };
 
+static struct __PnaclWrapperInfo Pnacl_WrapperInfo_PPB_NaCl_Hash_Private_1_0 = {
+  .iface_macro = PPB_NACL_HASH_PRIVATE_INTERFACE_1_0,
+  .wrapped_iface = NULL /* Still need slot for real_iface */,
+  .real_iface = NULL
+};
+
 static struct __PnaclWrapperInfo Pnacl_WrapperInfo_PPB_NaCl_Private_1_0 = {
   .iface_macro = PPB_NACL_PRIVATE_INTERFACE_1_0,
   .wrapped_iface = NULL /* Still need slot for real_iface */,
@@ -5578,6 +5590,7 @@ static struct __PnaclWrapperInfo *s_ppb_wrappers[] = {
   &Pnacl_WrapperInfo_PPB_GpuBlacklist_Private_0_2,
   &Pnacl_WrapperInfo_PPB_HostResolver_Private_0_1,
   &Pnacl_WrapperInfo_PPB_Instance_Private_0_1,
+  &Pnacl_WrapperInfo_PPB_NaCl_Hash_Private_1_0,
   &Pnacl_WrapperInfo_PPB_NaCl_Private_1_0,
   &Pnacl_WrapperInfo_PPB_NetAddress_Private_0_1,
   &Pnacl_WrapperInfo_PPB_NetAddress_Private_1_0,