Linux: Fix some GdkPixbuf leaks.

chrome/browser/gtk/hung_renderer_dialog_gtk.cc

 // Copyright (c) 2010 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/hung_renderer_dialog.h"
 
 #include <gtk/gtk.h>
 
 #include "app/l10n_util.h"
 #include "app/resource_bundle.h"
@@ skipping 139 matching lines @@
 
   GtkTreeIter tree_iter;
   for (TabContentsIterator it; !it.done(); ++it) {
     if (it->GetRenderProcessHost() == hung_contents->GetRenderProcessHost()) {
       gtk_list_store_append(model_, &tree_iter);
       std::string title = UTF16ToUTF8(it->GetTitle());
       if (title.empty())
         title = UTF16ToUTF8(TabContents::GetDefaultTitle());
       SkBitmap favicon = it->GetFavIcon();
 
+      GdkPixbuf* pixbuf = NULL;
+      if (favicon.width() > 0)
+        pixbuf = gfx::GdkPixbufFromSkBitmap(&favicon);
       gtk_list_store_set(model_, &tree_iter,
-          COL_FAVICON, favicon.width() > 0
-              ? gfx::GdkPixbufFromSkBitmap(&favicon)
-              : NULL,
+          COL_FAVICON, pixbuf,
           COL_TITLE, title.c_str(),
           -1);
+      if (pixbuf)
+        g_object_unref(pixbuf);
     }
   }
   gtk_widget_show_all(GTK_WIDGET(dialog_));
 }
 
 void HungRendererDialogGtk::EndForTabContents(TabContents* contents) {
   DCHECK(contents);
   if (contents_ && contents_->GetRenderProcessHost() ==
       contents->GetRenderProcessHost()) {
     gtk_widget_hide(GTK_WIDGET(dialog_));
@@ skipping 40 matching lines @@
   }
 }
 
 // static
 void HideForTabContents(TabContents* contents) {
   if (!logging::DialogsAreSuppressed() && g_instance)
     g_instance->EndForTabContents(contents);
 }
 
 }  // namespace hung_renderer_dialog
-