Gtk3: Fix memory leaks

chrome/browser/ui/libgtkui/gtk_status_icon.cc

 // Copyright 2014 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/libgtkui/gtk_status_icon.h"
 
 #include <gtk/gtk.h>
 
+#include "base/debug/leak_annotations.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/ui/libgtkui/app_indicator_icon_menu.h"
 #include "chrome/browser/ui/libgtkui/skia_utils_gtk.h"
 #include "ui/base/models/menu_model.h"
 #include "ui/gfx/image/image_skia.h"
 
 G_GNUC_BEGIN_IGNORE_DEPRECATIONS
 
 namespace libgtkui {
 
 Gtk2StatusIcon::Gtk2StatusIcon(const gfx::ImageSkia& image,
                                const base::string16& tool_tip) {
   GdkPixbuf* pixbuf = GdkPixbufFromSkBitmap(*image.bitmap());
-  gtk_status_icon_ = gtk_status_icon_new_from_pixbuf(pixbuf);
+  {
+#if GTK_MAJOR_VERSION == 3
+    // Gtk3 has a bug that leaks 384 bytes when creating a
+    // GtkStatusIcon.  It will not be fixed since the status icon was
+    // deprectaed in version 3.14.  Luckily, Chromium doesn't need to
+    // create a status icon very often, if at all.
+    ANNOTATE_SCOPED_MEMORY_LEAK;
+#endif
+    gtk_status_icon_ = gtk_status_icon_new_from_pixbuf(pixbuf);
+  }
   g_object_unref(pixbuf);
 
   g_signal_connect(gtk_status_icon_, "activate", G_CALLBACK(OnClickThunk),
                    this);
   g_signal_connect(gtk_status_icon_, "popup_menu",
                    G_CALLBACK(OnContextMenuRequestedThunk), this);
   SetToolTip(tool_tip);
 }
 
 Gtk2StatusIcon::~Gtk2StatusIcon() {
@@ skipping 32 matching lines @@
                                             guint button,
                                             guint32 activate_time) {
   if (menu_.get()) {
     gtk_menu_popup(menu_->GetGtkMenu(), NULL, NULL,
                    gtk_status_icon_position_menu, gtk_status_icon_, button,
                    activate_time);
   }
 }
 
 }  // namespace libgtkui