Switch to standard integer types in ppapi/.

ppapi/proxy/ppb_instance_proxy.h

Index: ppapi/proxy/ppb_instance_proxy.h
diff --git a/ppapi/proxy/ppb_instance_proxy.h b/ppapi/proxy/ppb_instance_proxy.h
index aac53b494db9b67ea205795bfc304c23ea437cf1..d568ed245dc5fae5f858ad8e60ba760d53ee8008 100644
--- a/ppapi/proxy/ppb_instance_proxy.h
+++ b/ppapi/proxy/ppb_instance_proxy.h
@@ -5,9 +5,12 @@
 #ifndef PPAPI_PROXY_PPB_INSTANCE_PROXY_H_
 #define PPAPI_PROXY_PPB_INSTANCE_PROXY_H_
 
+#include <stdint.h>
+
 #include <string>
 #include <vector>
 
+#include "build/build_config.h"
 #include "ppapi/c/pp_instance.h"
 #include "ppapi/c/pp_resource.h"
 #include "ppapi/c/pp_var.h"
@@ -111,14 +114,14 @@ class PPB_Instance_Proxy : public InterfaceProxy,
                               PP_URLComponents_Dev* components) override;
   PP_Var GetPluginReferrerURL(PP_Instance instance,
                               PP_URLComponents_Dev* components) override;
-  void PromiseResolved(PP_Instance instance, uint32 promise_id) override;
+  void PromiseResolved(PP_Instance instance, uint32_t promise_id) override;
   void PromiseResolvedWithSession(PP_Instance instance,
-                                  uint32 promise_id,
+                                  uint32_t promise_id,
                                   PP_Var session_id_var) override;
   void PromiseRejected(PP_Instance instance,
-                       uint32 promise_id,
+                       uint32_t promise_id,
                        PP_CdmExceptionCode exception_code,
-                       uint32 system_code,
+                       uint32_t system_code,
                        PP_Var error_description_var) override;
   void SessionMessage(PP_Instance instance,
                       PP_Var session_id_var,
@@ -138,7 +141,7 @@ class PPB_Instance_Proxy : public InterfaceProxy,
   void LegacySessionError(PP_Instance instance,
                           PP_Var session_id_var,
                           PP_CdmExceptionCode exception_code,
-                          uint32 system_code,
+                          uint32_t system_code,
                           PP_Var error_description_var) override;
   void DeliverBlock(PP_Instance instance,
                     PP_Resource decrypted_block,