Support underline on Linux again.

chrome/browser/ui/libgtk2ui/gtk2_ui.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/libgtk2ui/gtk2_ui.h"
 
 #include <math.h>
 #include <pango/pango.h>
 #include <set>
 #include <utility>
@@ skipping 818 matching lines @@
 }
 
 gfx::FontRenderParams Gtk2UI::GetDefaultFontRenderParams() const {
   static gfx::FontRenderParams params = GetGtkFontRenderParams();
   return params;
 }
 
 void Gtk2UI::GetDefaultFontDescription(
     std::string* family_out,
     int* size_pixels_out,
-    bool* italic_out,
+    int* style_out,
     gfx::Font::Weight* weight_out,
     gfx::FontRenderParams* params_out) const {
   *family_out = default_font_family_;
   *size_pixels_out = default_font_size_pixels_;
-  *italic_out = (default_font_style_ & gfx::Font::ITALIC) != 0;
+  *style_out = default_font_style_;
   *weight_out = default_font_weight_;
   *params_out = default_font_render_params_;
 }
 
 ui::SelectFileDialog* Gtk2UI::CreateSelectFileDialog(
     ui::SelectFileDialog::Listener* listener,
     ui::SelectFilePolicy* policy) const {
   return SelectFileDialogImpl::Create(listener, policy);
 }
 
@@ skipping 548 matching lines @@
   // Blacklist scaling factors <130% (crbug.com/484400) and round
   // to 1 decimal to prevent rendering problems (crbug.com/485183).
   return scale < 1.3f ? 1.0f : roundf(scale * 10) / 10;
 }
 
 }  // namespace libgtk2ui
 
 views::LinuxUI* BuildGtk2UI() {
   return new libgtk2ui::Gtk2UI;
 }