Switch to standard integer types in ui/.

ui/accessibility/ax_tree_source.h

Index: ui/accessibility/ax_tree_source.h
diff --git a/ui/accessibility/ax_tree_source.h b/ui/accessibility/ax_tree_source.h
index ae9f8cab2071457e7213b19df05e3262ef197f02..e87787be1a83c30189ead8a19da70dad58c2c1f1 100644
--- a/ui/accessibility/ax_tree_source.h
+++ b/ui/accessibility/ax_tree_source.h
@@ -5,6 +5,8 @@
 #ifndef UI_ACCESSIBILITY_AX_TREE_SOURCE_H_
 #define UI_ACCESSIBILITY_AX_TREE_SOURCE_H_
 
+#include <stdint.h>
+
 #include <vector>
 
 namespace ui {
@@ -30,10 +32,10 @@ class AXTreeSource {
 
   // Get a node by its id. If no node by that id exists in the tree, return a
   // null node, i.e. one that will return false if you call IsValid on it.
-  virtual AXNodeSource GetFromId(int32 id) const = 0;
+  virtual AXNodeSource GetFromId(int32_t id) const = 0;
 
   // Return the id of a node. All ids must be positive integers.
-  virtual int32 GetId(AXNodeSource node) const = 0;
+  virtual int32_t GetId(AXNodeSource node) const = 0;
 
   // Append all children of |node| to |out_children|.
   virtual void GetChildren(AXNodeSource node,