Convert usage of ARRAY_SIZE to arraysize.

webrtc/base/stringencode_unittest.cc

Index: webrtc/base/stringencode_unittest.cc
diff --git a/webrtc/base/stringencode_unittest.cc b/webrtc/base/stringencode_unittest.cc
index 406d9c7d4aa599d0d69cbcd51e85f206fb4cec8c..588e9d8ff5309df11477554f79f718a2a29b11b6 100644
--- a/webrtc/base/stringencode_unittest.cc
+++ b/webrtc/base/stringencode_unittest.cc
@@ -8,6 +8,7 @@
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
+#include "webrtc/base/arraysize.h"
 #include "webrtc/base/common.h"
 #include "webrtc/base/gunit.h"
 #include "webrtc/base/stringencode.h"
@@ -48,7 +49,7 @@ TEST(Utf8EncodeTest, EncodeDecode) {
     }
 
     char buffer[5];
-    memset(buffer, 0x01, ARRAY_SIZE(buffer));
+    memset(buffer, 0x01, arraysize(buffer));
     ASSERT_EQ(kTests[i].enclen, utf8_encode(buffer,
                                             kTests[i].encsize,
                                             kTests[i].decoded));
@@ -56,7 +57,7 @@ TEST(Utf8EncodeTest, EncodeDecode) {
     // Make sure remainder of buffer is unchanged
     ASSERT_TRUE(memory_check(buffer + kTests[i].enclen,
                              0x1,
-                             ARRAY_SIZE(buffer) - kTests[i].enclen));
+                             arraysize(buffer) - kTests[i].enclen));
   }
 }