Switch to standard integer types in ppapi/.

ppapi/tests/test_test_internals.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ppapi/tests/test_test_internals.h"
 
+#include <stdint.h>
+
 #include <vector>
 
 namespace {
 
 std::string CheckEqual(const std::string& expected, const std::string& actual) {
   if (expected != actual) {
     return std::string("Expected : \"") + expected + "\", got : \"" + actual +
        "\"";
   }
   PASS();
@@ skipping 251 matching lines @@
     CallCounter call_counter1;
     CallCounter call_counter2;
     ASSERT_DOUBLE_EQ(call_counter1.return_zero_as_double(),
                      call_counter2.return_zero_as_double());
     assert(call_counter1.num_calls() == 1);
     assert(call_counter2.num_calls() == 1);
   }
   PASS();
 }