Fix URL text drags.

chrome/browser/ui/cocoa/drag_util.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.
 
 #import "chrome/browser/ui/cocoa/drag_util.h"
 
 #include <cmath>
 
 #include "base/files/file_path.h"
 #include "base/i18n/rtl.h"
@@ skipping 133 matching lines @@
     ui::ResourceBundle& rb = ui::ResourceBundle::GetSharedInstance();
     favicon = rb.GetNativeImageNamed(IDR_DEFAULT_FAVICON).ToNSImage();
   }
 
   // If no title, just use icon.
   if (title.empty())
     return favicon;
   NSString* ns_title = base::SysUTF16ToNSString(title);
 
   // Set the look of the title.
-  NSDictionary* attrs =
-      [NSDictionary dictionaryWithObject:[NSFont systemFontOfSize:
-                                           [NSFont smallSystemFontSize]]
-                                  forKey:NSFontAttributeName];
+  base::scoped_nsobject<NSMutableParagraphStyle> paragraph_style(
+      [[NSMutableParagraphStyle alloc] init]);
+  [paragraph_style setLineBreakMode:NSLineBreakByClipping];
+  NSDictionary* attrs = @{
+    NSFontAttributeName :
+        [NSFont systemFontOfSize:[NSFont smallSystemFontSize]],
+    NSParagraphStyleAttributeName : paragraph_style
+  };
   base::scoped_nsobject<NSAttributedString> rich_title(
       [[NSAttributedString alloc] initWithString:ns_title attributes:attrs]);
 
   // Set up sizes and locations for rendering.
   const CGFloat kIconPadding = 2.0;  // Gap between icon and text.
   NSRect favicon_rect = {NSZeroPoint, [favicon size]};
   CGFloat icon_plus_padding_width = NSWidth(favicon_rect) + kIconPadding;
   CGFloat full_text_width = [rich_title size].width;
   CGFloat allowed_text_width = drag_image_width - icon_plus_padding_width;
   CGFloat used_text_width = std::min(full_text_width, allowed_text_width);
@@ skipping 30 matching lines @@
 
   bool is_title_rtl = base::i18n::GetFirstStrongCharacterDirection(title) ==
                       base::i18n::RIGHT_TO_LEFT;
   DrawTruncatedTitle(rich_title, text_rect, is_title_rtl);
   [drag_image unlockFocus];
 
   return drag_image;
 }
 
 }  // namespace drag_util