Some wstring -> string16 conversion in src/app.

app/bidi_line_iterator.h

Index: app/bidi_line_iterator.h
diff --git a/app/bidi_line_iterator.h b/app/bidi_line_iterator.h
index 178d775f2439bf017f30ffd89b032277fe7c3c68..a4faa2f8dbee08a224c41ff241e45f1e883eb7e4 100644
--- a/app/bidi_line_iterator.h
+++ b/app/bidi_line_iterator.h
@@ -11,6 +11,7 @@
 #include "unicode/ubidi.h"
 
 #include "base/basictypes.h"
+#include "base/string16.h"
 
 // A simple wrapper class for the bidirectional iterator of ICU.
 // This class uses the bidirectional iterator of ICU to split a line of
@@ -22,7 +23,7 @@ class BiDiLineIterator {
 
   // Initializes the bidirectional iterator with the specified text.  Returns
   // whether initialization succeeded.
-  UBool Open(const std::wstring& text, bool right_to_left, bool url);
+  UBool Open(const string16& text, bool right_to_left, bool url);
 
   // Returns the number of visual runs in the text, or zero on error.
   int CountRuns();