Add fade eliding for Views Labels; related cleanup.

ui/message_center/views/bounded_label.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/message_center/views/bounded_label.h"
 
 #include <limits>
 
 #include "base/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
@@ skipping 137 matching lines @@
                           height, gfx::WRAP_LONG_WORDS, &wrapped);
 
   // Elide if necessary.
   if (lines > 0 && wrapped.size() > static_cast<unsigned int>(lines)) {
     // Add an ellipsis to the last line. If this ellipsis makes the last line
     // too wide, that line will be further elided by the gfx::ElideText below,
     // so for example "ABC" could become "ABC..." and then "AB...".
     base::string16 last =
         wrapped[lines - 1] + base::UTF8ToUTF16(gfx::kEllipsis);
     if (width > 0 && gfx::GetStringWidth(last, font_list()) > width)
-      last = gfx::ElideText(last, font_list(), width, gfx::ELIDE_AT_END);
+      last = gfx::ElideText(last, font_list(), width, gfx::ELIDE_TAIL);
     wrapped.resize(lines - 1);
     wrapped.push_back(last);
   }
 
   return wrapped;
 }
 
 void InnerBoundedLabel::OnBoundsChanged(const gfx::Rect& previous_bounds) {
   ClearCaches();
   views::Label::OnBoundsChanged(previous_bounds);
@@ skipping 179 matching lines @@
 
 void BoundedLabel::OnNativeThemeChanged(const ui::NativeTheme* theme) {
   label_->SetNativeTheme(theme);
 }
 
 base::string16 BoundedLabel::GetWrappedTextForTest(int width, int lines) {
   return JoinString(label_->GetWrappedText(width, lines), '\n');
 }
 
 }  // namespace message_center