Implement new dangerous download reporting dialog for UNCOMMON_DOWNLOAD, in Views

chrome/browser/ui/views/download/download_shelf_view.h

Index: chrome/browser/ui/views/download/download_shelf_view.h
diff --git a/chrome/browser/ui/views/download/download_shelf_view.h b/chrome/browser/ui/views/download/download_shelf_view.h
index f5362679f1e832bfb94fdb59a7f57e91d5c9aead..e7ce06cbebda42ef7b5ae94142192813cbe1055d 100644
--- a/chrome/browser/ui/views/download/download_shelf_view.h
+++ b/chrome/browser/ui/views/download/download_shelf_view.h
@@ -56,6 +56,9 @@ class DownloadShelfView : public views::AccessiblePaneView,
   // i.e. the |browser_|.
   content::PageNavigator* GetNavigator();
 
+  // Returns the parent_.
+  BrowserView* get_parent() { return parent_; }
+
   // Implementation of View.
   virtual gfx::Size GetPreferredSize() OVERRIDE;
   virtual void Layout() OVERRIDE;