Switch to standard integer types in components/, part 1 of 4.

components/dom_distiller/core/dom_distiller_model.h

Index: components/dom_distiller/core/dom_distiller_model.h
diff --git a/components/dom_distiller/core/dom_distiller_model.h b/components/dom_distiller/core/dom_distiller_model.h
index 6a9322abfb68806ea3426fa495040f6ba9ed57e2..071f9ca5c43db8c20e8d2517c3bf3dfec3b9b63f 100644
--- a/components/dom_distiller/core/dom_distiller_model.h
+++ b/components/dom_distiller/core/dom_distiller_model.h
@@ -5,11 +5,15 @@
 #ifndef COMPONENTS_DOM_DISTILLER_CORE_DOM_DISTILLER_MODEL_H_
 #define COMPONENTS_DOM_DISTILLER_CORE_DOM_DISTILLER_MODEL_H_
 
+#include <stddef.h>
+#include <stdint.h>
+
 #include <string>
 #include <vector>
 
 #include "base/containers/hash_tables.h"
 #include "base/id_map.h"
+#include "base/macros.h"
 #include "components/dom_distiller/core/article_entry.h"
 #include "sync/api/sync_change.h"
 #include "sync/api/sync_change_processor.h"  // syncer::SyncChangeList
@@ -57,7 +61,7 @@ class DomDistillerModel {
                            syncer::SyncChangeList* changes_missing);
 
  private:
-  typedef int32 KeyType;
+  typedef int32_t KeyType;
   typedef base::hash_map<KeyType, ArticleEntry> EntryMap;
   typedef base::hash_map<std::string, KeyType> StringToKeyMap;