[epiphany] Use header bar for add language dialog

[William Jon McCann <mccann src gnome org>]

commit fba6ae6c1eacf235be1380aba7f62d908fcd2993
Author: William Jon McCann <william jon mccann gmail com>
Date:   Fri Feb 7 12:50:14 2014 -0500

    Use header bar for add language dialog

 src/resources/prefs-lang-dialog.ui |   76 +++++++++++++++++++++---------------
 1 files changed, 44 insertions(+), 32 deletions(-)
---
diff --git a/src/resources/prefs-lang-dialog.ui b/src/resources/prefs-lang-dialog.ui
index 4b4bfec..47e79f9 100644
--- a/src/resources/prefs-lang-dialog.ui
+++ b/src/resources/prefs-lang-dialog.ui
@@ -4,12 +4,54 @@
   <object class="GtkDialog" id="add_language_dialog">
     <property name="can_focus">False</property>
     <property name="border_width">5</property>
-    <property name="title" translatable="yes">Add Language</property>
     <property name="role">epiphany-preferences-add-language</property>
     <property name="destroy_with_parent">True</property>
     <property name="type_hint">dialog</property>
     <property name="default_width">300</property>
     <property name="default_height">420</property>
+    <property name="use_header_bar">1</property>
+    <child internal-child="headerbar">
+      <object class="GtkHeaderBar" id="headerbar1">
+        <property name="title" translatable="yes">Add Language</property>
+        <property name="visible">True</property>
+        <property name="can_focus">False</property>
+        <property name="show-close-button">False</property>
+        <child>
+          <object class="GtkButton" id="cancelbutton1">
+            <property name="label" translatable="yes">_Cancel</property>
+            <property name="visible">True</property>
+            <property name="can_focus">True</property>
+            <property name="can_default">True</property>
+            <property name="receives_default">False</property>
+            <property name="use_underline">True</property>
+            <property name="valign">center</property>
+            <style>
+              <class name="text-button"/>
+            </style>
+          </object>
+          <packing>
+            <property name="pack_type">start</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkButton" id="add_button">
+            <property name="label" translatable="yes">_Add</property>
+            <property name="visible">True</property>
+            <property name="can_focus">True</property>
+            <property name="can_default">True</property>
+            <property name="receives_default">False</property>
+            <property name="use_underline">True</property>
+            <property name="valign">center</property>
+            <style>
+              <class name="text-button"/>
+            </style>
+          </object>
+          <packing>
+            <property name="pack_type">end</property>
+          </packing>
+        </child>
+      </object>
+    </child>
     <child internal-child="vbox">
       <object class="GtkBox" id="dialog-vbox3">
         <property name="visible">True</property>
@@ -18,39 +60,9 @@
         <property name="spacing">2</property>
         <child internal-child="action_area">
           <object class="GtkButtonBox" id="dialog-action_area3">
-            <property name="visible">True</property>
+            <property name="visible">False</property>
             <property name="can_focus">False</property>
             <property name="layout_style">end</property>
-            <child>
-              <object class="GtkButton" id="cancelbutton1">
-                <property name="label" translatable="yes">_Cancel</property>
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="can_default">True</property>
-                <property name="receives_default">False</property>
-                <property name="use_underline">True</property>
-              </object>
-              <packing>
-                <property name="expand">False</property>
-                <property name="fill">False</property>
-                <property name="position">0</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkButton" id="add_button">
-                <property name="label" translatable="yes">_Add</property>
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="can_default">True</property>
-                <property name="receives_default">False</property>
-                <property name="use_underline">True</property>
-              </object>
-              <packing>
-                <property name="expand">False</property>
-                <property name="fill">False</property>
-                <property name="position">1</property>
-              </packing>
-            </child>
           </object>
           <packing>
             <property name="expand">False</property>