render_view_browsertest.cc: Cast wchar_t to int for snprintf.

chrome/renderer/render_view_browsertest.cc

Index: chrome/renderer/render_view_browsertest.cc
diff --git a/chrome/renderer/render_view_browsertest.cc b/chrome/renderer/render_view_browsertest.cc
index 897a9c09bc0bf9ab63a2d37def278cca0c7a3b9b..6a596b57408989d3920cdd64516954e8ff54ecf7 100644
--- a/chrome/renderer/render_view_browsertest.cc
+++ b/chrome/renderer/render_view_browsertest.cc
@@ -678,7 +678,8 @@ TEST_F(RenderViewTest, OnHandleKeyboardEvent) {
                        "%d,%s\n"  // texts in the second <div> element
                        "%d,%s",   // texts in the third <div> element
                        key_code, kModifierData[j].expected_result,
-                       char_code[0], kModifierData[j].expected_result,
+                       static_cast<int>(char_code[0]),
+                       kModifierData[j].expected_result,
                        key_code, kModifierData[j].expected_result);
 
         // Retrieve the text in the test page and compare it with the expected