Make search icon in omnibox results hidpi

chrome/browser/ui/gtk/gtk_util.h

 // 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.
 
 #ifndef CHROME_BROWSER_UI_GTK_GTK_UTIL_H_
 #define CHROME_BROWSER_UI_GTK_GTK_UTIL_H_
 
 #include <gtk/gtk.h>
 #include <string>
 #include <vector>
@@ skipping 189 matching lines @@
 // |event| and starting image tiling from |tabstrip_origin|.
 void DrawThemedToolbarBackground(GtkWidget* widget,
                                  cairo_t* cr,
                                  GdkEventExpose* event,
                                  const gfx::Point& tabstrip_origin,
                                  GtkThemeService* provider);
 
 // Draw an entire pixbuf without dithering.
 void DrawFullImage(cairo_t* cr,
                    GtkWidget* widget,
-                   const gfx::Image* image,
+                   const gfx::Image& image,
                    gint dest_x,
                    gint dest_y);
 
 // Returns the two colors averaged together.
 GdkColor AverageColors(GdkColor color_one, GdkColor color_two);
 
 // Show the image for the given menu item, even if the user's default is to not
 // show images. Only to be used for favicons or other menus where the image is
 // crucial to its functionality.
 void SetAlwaysShowImage(GtkWidget* image_menu_item);
@@ skipping 83 matching lines @@
 void InitLabelSizeRequestAndEllipsizeMode(GtkWidget* label);
 
 // A helper function for gtk_message_dialog_new() to work around a few KDE 3
 // window manager bugs. You should always call it after creating a dialog with
 // gtk_message_dialog_new.
 void ApplyMessageDialogQuirks(GtkWidget* dialog);
 
 }  // namespace gtk_util
 
 #endif  // CHROME_BROWSER_UI_GTK_GTK_UTIL_H_