[Mac] Fix the URL on the Fullscreen Touch Bar

chrome/browser/ui/cocoa/browser_window_touch_bar.mm

 // Copyright 2017 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.
 
 #import "chrome/browser/ui/cocoa/browser_window_touch_bar.h"
 
 #include <memory>
 
 #include "base/mac/foundation_util.h"
 #include "base/mac/mac_util.h"
@@ skipping 306 matching lines @@
     content::WebContents* contents =
         browser_->tab_strip_model()->GetActiveWebContents();
     GURL originUrl = contents->GetLastCommittedURL();
 
     base::string16 displayText = base::ASCIIToUTF16(originUrl.spec());
     base::scoped_nsobject<NSMutableAttributedString> attributedString(
         [[NSMutableAttributedString alloc]
             initWithString:base::SysUTF16ToNSString(displayText)]);
 
     if (originUrl.has_path()) {
-      size_t pathLength = originUrl.path().length() - 1;
+      size_t pathIndex = originUrl.GetWithEmptyPath().spec().length();
       [attributedString
           addAttribute:NSForegroundColorAttributeName
                  value:OmniboxViewMac::BaseTextColor(true)
-                 range:NSMakeRange([attributedString length] - pathLength,
-                                   pathLength)];
+                 range:NSMakeRange(pathIndex,
+                                   [attributedString length] - pathIndex)];
     }
 
     [touchBarItem
         setView:[NSTextField labelWithAttributedString:attributedString.get()]];
   } else if ([identifier hasSuffix:kExitFullscreenTouchId]) {
     return nil;
   }
 
   return touchBarItem.autorelease();
 }
@@ skipping 134 matching lines @@
       ->ExitExclusiveAccessIfNecessary();
 }
 
 - (void)executeCommand:(id)sender {
   int command = [sender tag];
   LogTouchBarUMA(command);
   commandUpdater_->ExecuteCommand(command);
 }
 
 @end