revert r49217, which caused unit test failures on win:

chrome/browser/gtk/download_item_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/gtk/download_item_gtk.h"
 
 #include "app/gtk_util.h"
 #include "app/l10n_util.h"
 #include "app/menus/simple_menu_model.h"
 #include "app/resource_bundle.h"
@@ skipping 530 matching lines @@
 
     // Lighten the color by blending it with the download item body color. These
     // values are taken from IDR_DOWNLOAD_BUTTON.
     SkColor blend_color = SkColorSetRGB(241, 245, 250);
     text_color = gfx::SkColorToGdkColor(
         color_utils::AlphaBlend(blend_color, color, 77));
   }
 
   gtk_util::SetLabelColor(status_label, theme_provider_->UseGtkTheme() ?
                                         NULL : &text_color);
-  gtk_label_set_text(GTK_LABEL(status_label), status_text.c_str());
+  gtk_label_set_label(GTK_LABEL(status_label), status_text.c_str());
 }
 
 void DownloadItemGtk::UpdateDangerWarning() {
   if (dangerous_prompt_) {
     // We create |dangerous_warning| as a wide string so we can more easily
     // calculate its length in characters.
     std::wstring dangerous_warning;
     if (get_download()->is_extension_install()) {
       dangerous_warning =
           l10n_util::GetString(IDS_PROMPT_DANGEROUS_DOWNLOAD_EXTENSION);
@@ skipping 14 matching lines @@
       // Set the warning icon.
       ResourceBundle& rb = ResourceBundle::GetSharedInstance();
       GdkPixbuf* download_pixbuf = rb.GetPixbufNamed(IDR_WARNING);
       gtk_image_set_from_pixbuf(GTK_IMAGE(dangerous_image_), download_pixbuf);
 
       GdkColor color = theme_provider_->GetGdkColor(
           BrowserThemeProvider::COLOR_BOOKMARK_TEXT);
       gtk_util::SetLabelColor(dangerous_label_, &color);
     }
 
-    gtk_label_set_text(GTK_LABEL(dangerous_label_),
-                       WideToUTF8(dangerous_warning).c_str());
+    gtk_label_set_label(GTK_LABEL(dangerous_label_),
+                        WideToUTF8(dangerous_warning).c_str());
 
     // Until we switch to vector graphics, force the font size.
     gtk_util::ForceFontSizePixels(dangerous_label_, kTextSize);
 
     // Get the label width when displaying in one line, and reduce it to 60% to
     // wrap the label into two lines.
     gtk_widget_set_size_request(dangerous_label_, -1, -1);
     gtk_label_set_line_wrap(GTK_LABEL(dangerous_label_), FALSE);
 
     GtkRequisition req;
@@ skipping 257 matching lines @@
   get_download()->manager()->DangerousDownloadValidated(get_download());
 }
 
 void DownloadItemGtk::OnDangerousDecline(GtkWidget* button) {
   UMA_HISTOGRAM_LONG_TIMES("clickjacking.discard_download",
                            base::Time::Now() - creation_time_);
   if (get_download()->state() == DownloadItem::IN_PROGRESS)
     get_download()->Cancel(true);
   get_download()->Remove(true);
 }