Refactor dangerous download warning text generation into DownloadItemModel.

chrome/browser/ui/gtk/download/download_item_gtk.cc

Index: chrome/browser/ui/gtk/download/download_item_gtk.cc
diff --git a/chrome/browser/ui/gtk/download/download_item_gtk.cc b/chrome/browser/ui/gtk/download/download_item_gtk.cc
index d36057254dcfc4babb979eef2aacecfd0a5fd749..7edb49946c406fe6c0d834c51b3089fd756145ea 100644
--- a/chrome/browser/ui/gtk/download/download_item_gtk.cc
+++ b/chrome/browser/ui/gtk/download/download_item_gtk.cc
@@ -566,31 +566,8 @@ void DownloadItemGtk::UpdateDangerWarning() {
 
     // We create |dangerous_warning| as a wide string so we can more easily
     // calculate its length in characters.
-    string16 dangerous_warning;
-
-    // The dangerous download label text is different for different cases.
-    if (get_download()->GetDangerType() ==
-            content::DOWNLOAD_DANGER_TYPE_DANGEROUS_URL) {
-      // TODO(noelutz): handle malicious content warning.
-      // Safebrowsing shows the download URL leads to malicious file.
-      dangerous_warning =
-          l10n_util::GetStringUTF16(IDS_PROMPT_MALICIOUS_DOWNLOAD_URL);
-    } else {
-      // It's a dangerous file type (e.g.: an executable).
-      DCHECK(get_download()->GetDangerType() ==
-             content::DOWNLOAD_DANGER_TYPE_DANGEROUS_FILE);
-      if (ChromeDownloadManagerDelegate::IsExtensionDownload(get_download())) {
-        dangerous_warning =
-            l10n_util::GetStringUTF16(IDS_PROMPT_DANGEROUS_DOWNLOAD_EXTENSION);
-      } else {
-        string16 elided_filename = ui::ElideFilename(
-            get_download()->GetTargetName(), gfx::Font(), kTextWidth);
-        dangerous_warning =
-            l10n_util::GetStringFUTF16(IDS_PROMPT_DANGEROUS_DOWNLOAD,
-                                       elided_filename);
-      }
-    }
-
+    string16 dangerous_warning =
+        download_model_->GetWarningText(gfx::Font(), kTextWidth);
     if (theme_service_->UsingNativeTheme()) {
       gtk_util::SetLabelColor(dangerous_label_, NULL);
     } else {
@@ -637,17 +614,15 @@ void DownloadItemGtk::UpdateDangerWarning() {
 
 void DownloadItemGtk::UpdateDangerIcon() {
   if (theme_service_->UsingNativeTheme()) {
-    const char* stock = get_download()->GetDangerType() ==
-        content::DOWNLOAD_DANGER_TYPE_DANGEROUS_URL ?
-            GTK_STOCK_DIALOG_ERROR : GTK_STOCK_DIALOG_WARNING;
+    const char* stock = download_model_->IsMalicious() ?
+        GTK_STOCK_DIALOG_ERROR : GTK_STOCK_DIALOG_WARNING;
     gtk_image_set_from_stock(
         GTK_IMAGE(dangerous_image_), stock, GTK_ICON_SIZE_SMALL_TOOLBAR);
   } else {
     // Set the warning icon.
     ui::ResourceBundle& rb = ui::ResourceBundle::GetSharedInstance();
-    int pixbuf_id = get_download()->GetDangerType() ==
-        content::DOWNLOAD_DANGER_TYPE_DANGEROUS_URL ?
-            IDR_SAFEBROWSING_WARNING : IDR_WARNING;
+    int pixbuf_id = download_model_->IsMalicious() ?
+        IDR_SAFEBROWSING_WARNING : IDR_WARNING;
     GdkPixbuf* download_pixbuf = rb.GetNativeImageNamed(pixbuf_id);
     gtk_image_set_from_pixbuf(GTK_IMAGE(dangerous_image_), download_pixbuf);
   }