[Views] Center bubble title text vertically when title icon is tall.

ui/views/bubble/bubble_frame_view.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 "ui/views/bubble/bubble_frame_view.h"
 
 #include <algorithm>
 #include <utility>
 
 #include "build/build_config.h"
@@ skipping 284 matching lines @@
   if (bounds.IsEmpty())
     return;
 
   // The close button is positioned somewhat closer to the edge of the bubble.
   gfx::Point close_position = GetContentsBounds().top_right();
   close_position += gfx::Vector2d(-close_->width() - 7, 6);
   close_->SetPosition(close_position);
 
   gfx::Size title_icon_pref_size(title_icon_->GetPreferredSize());
   int padding = 0;
+  int title_height = title_icon_pref_size.height();
 
   if (title_->visible() && !title_->text().empty()) {
     if (title_icon_pref_size.width() > 0)
       padding = title_margins_.left();
 
     const int title_label_x =
         bounds.x() + title_icon_pref_size.width() + padding;
     title_->SizeToFit(std::max(1, close_->x() - title_label_x));
-    title_->SetPosition(gfx::Point(title_label_x, bounds.y()));
+    title_height = std::max(title_height, title_->height());
+    title_->SetPosition(gfx::Point(
+        title_label_x, bounds.y() + (title_height - title_->height()) / 2));
   }
 
-  const int title_height =
-      std::max(title_icon_pref_size.height(), title_->height());
   title_icon_->SetBounds(bounds.x(), bounds.y(), title_icon_pref_size.width(),
                          title_height);
   bounds.set_width(title_->bounds().right() - bounds.x());
   bounds.set_height(title_height);
 
   if (footnote_container_) {
     gfx::Rect local_bounds = GetContentsBounds();
     int height = footnote_container_->GetHeightForWidth(local_bounds.width());
     footnote_container_->SetBounds(local_bounds.x(),
                                    local_bounds.bottom() - height,
@@ skipping 182 matching lines @@
   size.Enlarge(client_insets.width(), client_insets.height());
   size.SetToMax(gfx::Size(title_bar_width, 0));
 
   if (footnote_container_)
     size.Enlarge(0, footnote_container_->GetHeightForWidth(size.width()));
 
   return size;
 }
 
 }  // namespace views