Switch to standard integer types in ppapi/.

ppapi/cpp/var.h

Index: ppapi/cpp/var.h
diff --git a/ppapi/cpp/var.h b/ppapi/cpp/var.h
index a79f3c4f3e2e3d34a6f52aa228916e1b38b42688..1b2435606a21b80b232805f0583c606046ff7772 100644
--- a/ppapi/cpp/var.h
+++ b/ppapi/cpp/var.h
@@ -5,6 +5,8 @@
 #ifndef PPAPI_CPP_VAR_H_
 #define PPAPI_CPP_VAR_H_
 
+#include <stdint.h>
+
 #include <string>
 #include <vector>
 
@@ -164,7 +166,7 @@ class Var {
 
   /// This function determines if this <code>Var</code> is a number.
   ///
-  /// @return true if this <code>Var</code> is an int32 or double number,
+  /// @return true if this <code>Var</code> is an int32_t or double number,
   /// otherwise false.
   bool is_number() const {
     return var_.type == PP_VARTYPE_INT32 ||