Add fade eliding for Views Labels; related cleanup.

ui/views/corewm/tooltip_aura.cc

 // Copyright 2013 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 "ui/views/corewm/tooltip_aura.h"
 
 #include "base/command_line.h"
 #include "base/strings/string_split.h"
 #include "ui/aura/window.h"
 #include "ui/aura/window_tree_host.h"
@@ skipping 117 matching lines @@
       l != result_lines.end(); ++l) {
     if (!result.empty())
       result.push_back('\n');
     int line_width = gfx::GetStringWidth(*l, font_list);
     // Since we only break at word boundaries, it could happen that due to some
     // very long word, line_width is greater than the available_width. In such
     // case, we simply truncate at available_width and add ellipses at the end.
     if (line_width > available_width) {
       *width = available_width;
       result.append(gfx::ElideText(*l, font_list, available_width,
-                                   gfx::ELIDE_AT_END));
+                                   gfx::ELIDE_TAIL));
     } else {
       *width = std::max(*width, line_width);
       result.append(*l);
     }
   }
   *text = result;
 }
 
 int TooltipAura::GetMaxWidth(const gfx::Point& location) const {
   // TODO(varunjain): implementation duplicated in tooltip_manager_aura. Figure
@@ skipping 88 matching lines @@
 }
 
 void TooltipAura::OnWidgetDestroying(views::Widget* widget) {
   DCHECK_EQ(widget_, widget);
   widget_ = NULL;
   tooltip_window_ = NULL;
 }
 
 }  // namespace corewm
 }  // namespace views