Implement additional UI changes for dangerous download warnings.

chrome/browser/download/download_shelf_context_menu.cc

Index: chrome/browser/download/download_shelf_context_menu.cc
diff --git a/chrome/browser/download/download_shelf_context_menu.cc b/chrome/browser/download/download_shelf_context_menu.cc
index 33be97bde5a2c16ffb56d0943df35447826e05b1..65807aac74660da78946e2a31bf953712e5ecd7b 100644
--- a/chrome/browser/download/download_shelf_context_menu.cc
+++ b/chrome/browser/download/download_shelf_context_menu.cc
@@ -6,9 +6,13 @@
 
 #include "chrome/browser/download/download_item_model.h"
 #include "chrome/browser/download/download_prefs.h"
+#include "chrome/browser/google/google_util.h"
+#include "chrome/browser/ui/browser_list.h"
 #include "chrome/common/extensions/extension.h"
+#include "chrome/common/url_constants.h"
 #include "content/browser/download/download_item.h"
 #include "content/browser/download/download_manager.h"
+#include "content/browser/tab_contents/page_navigator.h"
 #include "grit/generated_resources.h"
 #include "ui/base/l10n/l10n_util.h"
 
@@ -21,8 +25,22 @@ DownloadShelfContextMenu::DownloadShelfContextMenu(
 }
 
 ui::SimpleMenuModel* DownloadShelfContextMenu::GetMenuModel() {
-  return download_item_->IsComplete() ? GetFinishedMenuModel()
-                                      : GetInProgressMenuModel();
+  ui::SimpleMenuModel* model = NULL;
+
+  if (download_item_->GetSafetyState() == DownloadItem::DANGEROUS) {
+    if (download_item_->GetDangerType() == DownloadStateInfo::DANGEROUS_URL ||
+        download_item_->GetDangerType() ==
+            DownloadStateInfo::DANGEROUS_CONTENT) {
+      model = GetMaliciousMenuModel();
+    } else {
+      NOTREACHED();
+    }
+  } else if (download_item_->IsComplete()) {
+    model = GetFinishedMenuModel();
+  } else {
+    model = GetInProgressMenuModel();
+  }
+  return model;
 }
 
 bool DownloadShelfContextMenu::IsCommandIdEnabled(int command_id) const {
@@ -82,6 +100,22 @@ void DownloadShelfContextMenu::ExecuteCommand(int command_id) {
       if (download_item_->IsPartialDownload())
         download_item_->TogglePause();
       break;
+    case DISCARD:
+      download_item_->Delete(DownloadItem::DELETE_DUE_TO_USER_DISCARD);
+      break;
+    case KEEP:
+      download_item_->DangerousDownloadValidated();
+      break;
+    case LEARN_MORE: {
+      Browser* browser = BrowserList::GetLastActive();
+      DCHECK(browser && browser->is_type_tabbed());
+      GURL learn_more_url(chrome::kDownloadScanningLearnMoreURL);
+      OpenURLParams params(google_util::AppendGoogleLocaleParam(learn_more_url),
+                           GURL(), NEW_FOREGROUND_TAB,
+                           content::PAGE_TRANSITION_TYPED, false);
+      browser->OpenURL(params);
+      break;
+    }
     default:
       NOTREACHED();
   }
@@ -113,6 +147,12 @@ string16 DownloadShelfContextMenu::GetLabelForCommandId(int command_id) const {
         return l10n_util::GetStringUTF16(IDS_DOWNLOAD_MENU_RESUME_ITEM);
       return l10n_util::GetStringUTF16(IDS_DOWNLOAD_MENU_PAUSE_ITEM);
     }
+    case DISCARD:
+      return l10n_util::GetStringUTF16(IDS_DOWNLOAD_MENU_DISCARD);
+    case KEEP:
+      return l10n_util::GetStringUTF16(IDS_DOWNLOAD_MENU_KEEP);
+    case LEARN_MORE:
+      return l10n_util::GetStringUTF16(IDS_DOWNLOAD_MENU_LEARN_MORE);
     default:
       NOTREACHED();
       break;
@@ -161,3 +201,20 @@ ui::SimpleMenuModel* DownloadShelfContextMenu::GetFinishedMenuModel() {
 
   return finished_download_menu_model_.get();
 }
+
+ui::SimpleMenuModel* DownloadShelfContextMenu::GetMaliciousMenuModel() {
+  if (malicious_download_menu_model_.get())
+    return malicious_download_menu_model_.get();
+
+  malicious_download_menu_model_.reset(new ui::SimpleMenuModel(this));
+
+  malicious_download_menu_model_->AddItemWithStringId(
+      DISCARD, IDS_DOWNLOAD_MENU_DISCARD);
+  malicious_download_menu_model_->AddItemWithStringId(
+      KEEP, IDS_DOWNLOAD_MENU_KEEP);
+  malicious_download_menu_model_->AddSeparator();
+  malicious_download_menu_model_->AddItemWithStringId(
+      LEARN_MORE, IDS_DOWNLOAD_MENU_LEARN_MORE);
+
+  return malicious_download_menu_model_.get();
+}