Remove kuint32max.

ui/base/clipboard/clipboard.h

Index: ui/base/clipboard/clipboard.h
diff --git a/ui/base/clipboard/clipboard.h b/ui/base/clipboard/clipboard.h
index af8f439ce1eabec7a0d6dd9999971fa3562eaf54..8a5e5dc0c561bde8e84bd29e629f062b8a66e6a0 100644
--- a/ui/base/clipboard/clipboard.h
+++ b/ui/base/clipboard/clipboard.h
@@ -5,6 +5,8 @@
 #ifndef UI_BASE_CLIPBOARD_CLIPBOARD_H_
 #define UI_BASE_CLIPBOARD_CLIPBOARD_H_
 
+#include <stdint.h>
+
 #include <map>
 #include <string>
 #include <vector>
@@ -148,7 +150,7 @@ class UI_BASE_EXPORT Clipboard : NON_EXPORTED_BASE(public base::ThreadChecker) {
   // Returns a sequence number which uniquely identifies clipboard state.
   // This can be used to version the data on the clipboard and determine
   // whether it has changed.
-  virtual uint64 GetSequenceNumber(ClipboardType type) const = 0;
+  virtual uint64_t GetSequenceNumber(ClipboardType type) const = 0;
 
   // Tests whether the clipboard contains a certain format
   virtual bool IsFormatAvailable(const FormatType& format,