Move OpenItem/ShowItemInFolder from ContentBrowserClient to DownloadManagerDelegate

content/browser/download/download_item_impl.h

Index: content/browser/download/download_item_impl.h
diff --git a/content/browser/download/download_item_impl.h b/content/browser/download/download_item_impl.h
index b15207414d985be3777a934af604da19c9f1ad57..e320096db97f0dbb586409dee0ddd43722e903aa 100644
--- a/content/browser/download/download_item_impl.h
+++ b/content/browser/download/download_item_impl.h
@@ -152,7 +152,6 @@ class CONTENT_EXPORT DownloadItemImpl
   virtual void SetOpened(bool opened) OVERRIDE;
   virtual void SetDisplayName(const FilePath& name) OVERRIDE;
   virtual std::string DebugString(bool verbose) const OVERRIDE;
-  virtual void MockDownloadOpenForTesting() OVERRIDE;
 
   // All remaining public interfaces virtual to allow for DownloadItemImpl
   // mocks.
@@ -466,9 +465,6 @@ class CONTENT_EXPORT DownloadItemImpl
   // be treated as though the user opened it.
   bool opened_;
 
-  // Do we actually open downloads when requested?  For testing purposes only.
-  bool open_enabled_;
-
   // Did the delegate delay calling Complete on this download?
   bool delegate_delayed_complete_;