Fix a small undercalculation of the space available a result description.

chrome/browser/autocomplete/autocomplete_popup_view_gtk.cc

 // Copyright (c) 2009 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/autocomplete/autocomplete_popup_view_gtk.h"
 
 #include <gtk/gtk.h>
 
 #include <algorithm>
 
@@ skipping 422 matching lines @@
 
     // Draw the icon for this result time.
     DrawFullPixbuf(drawable, gc, IconForMatch(match, is_selected),
                    kIconLeftPadding, line_rect.y() + kIconTopPadding);
 
     // Draw the results text vertically centered in the results space.
     // First draw the contents / url, but don't let it take up the whole width
     // if there is also a description to be shown.
     bool has_description = !match.description.empty();
     int text_width = window_rect.width() - (kIconAreaWidth + kRightPadding);
-    int content_width = has_description ?
+    int allocated_content_width = has_description ?
         text_width * kContentWidthPercentage : text_width;
-    pango_layout_set_width(layout_, content_width * PANGO_SCALE);
+    pango_layout_set_width(layout_, allocated_content_width * PANGO_SCALE);
 
     SetupLayoutForMatch(layout_, match.contents, match.contents_class,
                         &kContentTextColor, std::string());
 
     int actual_content_width, actual_content_height;
     pango_layout_get_size(layout_,
         &actual_content_width, &actual_content_height);
     actual_content_width /= PANGO_SCALE;
     actual_content_height /= PANGO_SCALE;
 
     DCHECK_LT(actual_content_height, kHeightPerResult);  // Font is too tall.
     // Center the text within the line.
     int content_y = std::max(line_rect.y(),
         line_rect.y() + ((kHeightPerResult - actual_content_height) / 2));
 
     gdk_draw_layout(drawable, gc,
                     kIconAreaWidth, content_y,
                     layout_);
 
     if (has_description) {
       pango_layout_set_width(layout_,
-          (text_width - content_width) * PANGO_SCALE);
+          (text_width - actual_content_width) * PANGO_SCALE);
       SetupLayoutForMatch(layout_, match.description, match.description_class,
                           is_selected ? &kDescriptionSelectedTextColor :
                               &kDescriptionTextColor,
                           std::string(" - "));
 
       gdk_draw_layout(drawable, gc,
                       kIconAreaWidth + actual_content_width, content_y,
                       layout_);
     }
   }
 
   g_object_unref(gc);
 
   return TRUE;
 }