Switch to standard integer types in ppapi/.

ppapi/proxy/proxy_object_var.cc

Index: ppapi/proxy/proxy_object_var.cc
diff --git a/ppapi/proxy/proxy_object_var.cc b/ppapi/proxy/proxy_object_var.cc
index cc0054faa139c6371351cee09b064f85cd6999cc..507d20621147fb70aa3892f01d79c01a1d1a9b92 100644
--- a/ppapi/proxy/proxy_object_var.cc
+++ b/ppapi/proxy/proxy_object_var.cc
@@ -12,10 +12,8 @@ using ppapi::proxy::PluginDispatcher;
 namespace ppapi {
 
 ProxyObjectVar::ProxyObjectVar(PluginDispatcher* dispatcher,
-                               int32 host_var_id)
-    : dispatcher_(dispatcher),
-      host_var_id_(host_var_id),
-      user_data_(NULL) {
+                               int32_t host_var_id)
+    : dispatcher_(dispatcher), host_var_id_(host_var_id), user_data_(NULL) {
   // Should be given valid objects or we'll crash later.
   DCHECK(host_var_id_);
 }
@@ -31,7 +29,7 @@ PP_VarType ProxyObjectVar::GetType() const {
   return PP_VARTYPE_OBJECT;
 }
 
-void ProxyObjectVar::AssignVarID(int32 id) {
+void ProxyObjectVar::AssignVarID(int32_t id) {
   return Var::AssignVarID(id);
 }