Change signature of |ui::ElideText()|. Add a truncate mode.

chrome/browser/ui/cocoa/omnibox/omnibox_popup_view_mac.mm

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/ui/cocoa/omnibox/omnibox_popup_view_mac.h"
 
 #include <cmath>
 
 #include "base/stl_util.h"
 #include "base/sys_string_conversions.h"
@@ skipping 146 matching lines @@
     NSMutableAttributedString* aString,
     const string16 originalString,
     const gfx::Font& font,
     const float width) {
   // If it already fits, nothing to be done.
   if ([aString size].width <= width) {
     return aString;
   }
 
   // If ElideText() decides to do nothing, nothing to be done.
-  const string16 elided = ui::ElideText(originalString, font, width, false);
+  const string16 elided =
+      ui::ElideText(originalString, font, width, ui::ELIDE_AT_END);
   if (0 == elided.compare(originalString)) {
     return aString;
   }
 
   // If everything was elided away, clear the string.
   if (elided.empty()) {
     [aString deleteCharactersInRange:NSMakeRange(0, [aString length])];
     return aString;
   }
 
@@ skipping 646 matching lines @@
                         bottomLeftCornerRadius:kPopupRoundingRadius
                        bottomRightCornerRadius:kPopupRoundingRadius];
 
   // Draw the matrix clipped to our border.
   gfx::ScopedNSGraphicsContextSaveGState scopedGState;
   [path addClip];
   [super drawRect:rect];
 }
 
 @end