Set background to tabbed pane's content.

views/controls/tabbed_pane/native_tabbed_pane_gtk.cc

 // Copyright (c) 2009 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 "views/controls/tabbed_pane/native_tabbed_pane_gtk.h"
 
 #include <gtk/gtk.h>
 
 #include "app/gfx/canvas.h"
 #include "app/gfx/font.h"
 #include "app/resource_bundle.h"
 #include "base/logging.h"
 #include "base/stl_util-inl.h"
 #include "base/string_util.h"
+#include "skia/ext/skia_utils_gtk.h"
+#include "views/background.h"
 #include "views/controls/tabbed_pane/tabbed_pane.h"
 #include "views/fill_layout.h"
 #include "views/widget/root_view.h"
 #include "views/widget/widget_gtk.h"
 
 namespace views {
 
 ////////////////////////////////////////////////////////////////////////////////
 // NativeTabbedPaneGtk, public:
 
@@ skipping 97 matching lines @@
                                           View* contents,
                                           bool select_if_first_tab) {
   int tab_count = GetTabCount();
   DCHECK(index <= tab_count);
 
   WidgetGtk* page_container = new WidgetGtk(WidgetGtk::TYPE_CHILD);
   page_container->Init(NULL, gfx::Rect());
   page_container->SetContentsView(contents);
   page_container->Show();
 
+  if (!contents->background()) {
+    GtkStyle* window_style =
+        gtk_widget_get_style(page_container->GetNativeView());
+    contents->set_background(
+        Background::CreateSolidBackground(
+            skia::GdkColorToSkColor(window_style->bg[GTK_STATE_NORMAL])));
+  }
+
   GtkWidget* page = page_container->GetNativeView();
 
   // increment ref count not to delete on remove below
   g_object_ref(page);
   // detach parent from the page so that we can add it to notebook
   GtkWidget* parent = gtk_widget_get_parent(page);
   gtk_container_remove(GTK_CONTAINER(parent), page);
 
   GtkWidget* label = gtk_label_new(WideToUTF8(title).c_str());
   gtk_widget_show(label);
@@ skipping 33 matching lines @@
 ////////////////////////////////////////////////////////////////////////////////
 // NativeTabbedPaneWrapper, public:
 
 // static
 NativeTabbedPaneWrapper* NativeTabbedPaneWrapper::CreateNativeWrapper(
     TabbedPane* tabbed_pane) {
   return new NativeTabbedPaneGtk(tabbed_pane);
 }
 
 }  // namespace views