Switch to standard integer types in extensions/.

extensions/renderer/display_source_custom_bindings.cc

Index: extensions/renderer/display_source_custom_bindings.cc
diff --git a/extensions/renderer/display_source_custom_bindings.cc b/extensions/renderer/display_source_custom_bindings.cc
index 059d2bbff6d17ba416904a310fe657144c62fad8..8be830c39f5f05c8d27f786651fb4037d9ea4201 100644
--- a/extensions/renderer/display_source_custom_bindings.cc
+++ b/extensions/renderer/display_source_custom_bindings.cc
@@ -4,6 +4,8 @@
 
 #include "extensions/renderer/display_source_custom_bindings.h"
 
+#include <stdint.h>
+
 #include "base/bind.h"
 #include "content/public/child/v8_value_converter.h"
 #include "extensions/renderer/script_context.h"
@@ -50,7 +52,7 @@ v8::Local<v8::Value> GetChildValue(v8::Local<v8::Object> value,
                                    const std::string& key_name,
                                    v8::Isolate* isolate) {
   v8::Local<v8::Array> property_names(value->GetOwnPropertyNames());
-  for (uint32 i = 0; i < property_names->Length(); ++i) {
+  for (uint32_t i = 0; i < property_names->Length(); ++i) {
     v8::Local<v8::Value> key(property_names->Get(i));
     if (key_name == *v8::String::Utf8Value(key)) {
       v8::TryCatch try_catch(isolate);