Vertically center excessively tall Views tab titles.

chrome/browser/ui/views/tabs/tab.cc

 // Copyright (c) 2012 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/views/tabs/tab.h"
 
 #include <limits>
 
 #include "base/command_line.h"
 #include "base/debug/alias.h"
@@ skipping 780 matching lines @@
     int title_left = favicon_bounds_.right() + kFaviconTitleSpacing;
     int title_width = lb.width() - title_left;
     if (showing_media_indicator_) {
       title_width = media_indicator_bounds_.x() - kViewSpacing - title_left;
     } else if (close_button_->visible()) {
       // Allow the title to overlay the close button's empty border padding.
       title_width = close_button_->x() + close_button_->GetInsets().left() -
           kViewSpacing - title_left;
     }
     gfx::Rect rect(title_left, lb.y(), std::max(title_width, 0), lb.height());
+    const int title_height = title_->GetPreferredSize().height();
+    if (title_height > rect.height()) {
+      rect.set_y(lb.y() - (title_height - rect.height()) / 2);
+      rect.set_height(title_height);
+    }
     rect.set_x(GetMirroredXForRect(rect));
     title_->SetBoundsRect(rect);
   }
   title_->SetVisible(show_title);
 }
 
 void Tab::OnThemeChanged() {
   LoadTabImages();
 }
 
@@ skipping 787 matching lines @@
                          const gfx::ImageSkia& image) {
   DCHECK_NE(scale_factor, ui::SCALE_FACTOR_NONE);
   ImageCacheEntry entry;
   entry.resource_id = resource_id;
   entry.scale_factor = scale_factor;
   entry.image = image;
   image_cache_->push_front(entry);
   if (image_cache_->size() > kMaxImageCacheSize)
     image_cache_->pop_back();
 }