Move some download tests to content from chrome.

content/shell/shell_download_manager_delegate.h

Index: content/shell/shell_download_manager_delegate.h
diff --git a/content/shell/shell_download_manager_delegate.h b/content/shell/shell_download_manager_delegate.h
index 360817772839bd2f50572ef69b918591aa0d9c7f..e201025ad5492d7d3e1d06aab39bf78b74ccb6c0 100644
--- a/content/shell/shell_download_manager_delegate.h
+++ b/content/shell/shell_download_manager_delegate.h
@@ -25,6 +25,11 @@ class ShellDownloadManagerDelegate
   virtual bool DetermineDownloadTarget(
       DownloadItem* download,
       const DownloadTargetCallback& callback) OVERRIDE;
+  virtual void AddItemToPersistentStore(DownloadItem* item) OVERRIDE;
+
+  // Inhibits prompting and sets the default download path.
+  void SetDownloadBehaviorForTesting(
+      const FilePath& default_download_path);
 
  private:
   friend class base::RefCountedThreadSafe<ShellDownloadManagerDelegate>;
@@ -33,12 +38,19 @@ class ShellDownloadManagerDelegate
 
   void GenerateFilename(int32 download_id,
                         const DownloadTargetCallback& callback,
-                        const FilePath& generated_name);
+                        const FilePath& generated_name,
+                        const FilePath& suggested_directory);
+  void OnDownloadPathGenerated(int32 download_id,
+                               const DownloadTargetCallback& callback,
+                               const FilePath& suggested_path);
   void ChooseDownloadPath(int32 download_id,
                           const DownloadTargetCallback& callback,
                           const FilePath& suggested_path);
 
   DownloadManager* download_manager_;
+  FilePath default_download_path_;
+  bool suppress_prompting_;
+  int64 last_download_db_handle_;
 
   DISALLOW_COPY_AND_ASSIGN(ShellDownloadManagerDelegate);
 };