ipc: Convert int types from basictypes.h to the ones from stdint.h

ipc/ipc_test_sink.cc

Index: ipc/ipc_test_sink.cc
diff --git a/ipc/ipc_test_sink.cc b/ipc/ipc_test_sink.cc
index f0c7a5f58d12e050a973eaafed0245870465f8e6..ab95a19a2ce85ee0e01b37f29d16eb854a9b111a 100644
--- a/ipc/ipc_test_sink.cc
+++ b/ipc/ipc_test_sink.cc
@@ -63,7 +63,7 @@ const Message* TestSink::GetMessageAt(size_t index) const {
   return &messages_[index];
 }
 
-const Message* TestSink::GetFirstMessageMatching(uint32 id) const {
+const Message* TestSink::GetFirstMessageMatching(uint32_t id) const {
   for (size_t i = 0; i < messages_.size(); i++) {
     if (messages_[i].type() == id)
       return &messages_[i];
@@ -71,7 +71,7 @@ const Message* TestSink::GetFirstMessageMatching(uint32 id) const {
   return NULL;
 }
 
-const Message* TestSink::GetUniqueMessageMatching(uint32 id) const {
+const Message* TestSink::GetUniqueMessageMatching(uint32_t id) const {
   size_t found_index = 0;
   size_t found_count = 0;
   for (size_t i = 0; i < messages_.size(); i++) {