[gnome-builder] omnibar: use colored dialog-warning-symbolic icon

[Christian Hergert <chergert src gnome org>]

commit f91a9ba73484313db453f7b55ca80d85519cba16
Author: Mohammed Sadiq <sadiq sadiqpk org>
Date:   Mon Feb 27 15:28:49 2017 +0530

    omnibar: use colored dialog-warning-symbolic icon
    
    Replace the dialog-warning icon with symbolic icon,
    and add a warning style to match the design.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=779303

 data/theme/shared.css            |    5 +++++
 libide/workbench/ide-omni-bar.ui |    5 ++++-
 2 files changed, 9 insertions(+), 1 deletions(-)
---
diff --git a/data/theme/shared.css b/data/theme/shared.css
index 983a560..320d0af 100644
--- a/data/theme/shared.css
+++ b/data/theme/shared.css
@@ -3,6 +3,11 @@ filechooser actionbar button.combo {
   padding: 0;
 }
 
+/* Generic styles */
+.warning {
+    color: @warning_color;
+}
+
 /* styling for editor search */
 frame.gb-search-frame {
   background-image: linear-gradient(shade(@theme_bg_color,1.05), @theme_bg_color);
diff --git a/libide/workbench/ide-omni-bar.ui b/libide/workbench/ide-omni-bar.ui
index 6f1b3c3..87df8a8 100644
--- a/libide/workbench/ide-omni-bar.ui
+++ b/libide/workbench/ide-omni-bar.ui
@@ -51,7 +51,10 @@
                 </child>
                 <child>
                   <object class="GtkImage" id="build_result_diagnostics_image">
-                    <property name="icon-name">dialog-warning</property>
+                    <property name="icon-name">dialog-warning-symbolic</property>
+                    <style>
+                      <class name="warning"/>
+                    </style>
                   </object>
                   <packing>
                     <property name="pack-type">end</property>