Move ElideString() from base/string_util.cc to app/text_elider.cc to ...

base/string_util.cc

Index: base/string_util.cc
===================================================================
--- base/string_util.cc	(revision 69274)
+++ base/string_util.cc	(working copy)
@@ -1094,40 +1094,3 @@
 size_t base::wcslcpy(wchar_t* dst, const wchar_t* src, size_t dst_size) {
   return lcpyT<wchar_t>(dst, src, dst_size);
 }
-
-bool ElideString(const std::wstring& input, int max_len, std::wstring* output) {
-  DCHECK(max_len >= 0);
-  if (static_cast<int>(input.length()) <= max_len) {
-    output->assign(input);
-    return false;
-  }
-
-  switch (max_len) {
-    case 0:
-      output->clear();
-      break;
-    case 1:
-      output->assign(input.substr(0, 1));
-      break;
-    case 2:
-      output->assign(input.substr(0, 2));
-      break;
-    case 3:
-      output->assign(input.substr(0, 1) + L"." +
-                     input.substr(input.length() - 1));
-      break;
-    case 4:
-      output->assign(input.substr(0, 1) + L".." +
-                     input.substr(input.length() - 1));
-      break;
-    default: {
-      int rstr_len = (max_len - 3) / 2;
-      int lstr_len = rstr_len + ((max_len - 3) % 2);
-      output->assign(input.substr(0, lstr_len) + L"..." +
-                     input.substr(input.length() - rstr_len));
-      break;
-    }
-  }
-
-  return true;
-}