Converted download UI tests to Browser tests.

chrome/test/in_process_browser_test.h

Index: chrome/test/in_process_browser_test.h
diff --git a/chrome/test/in_process_browser_test.h b/chrome/test/in_process_browser_test.h
index fc7d34fdcf49eef1eda4622497c1b236b95bd81e..483acd04e0d86faab3cf9bc2e95a67b3a97e63b2 100644
--- a/chrome/test/in_process_browser_test.h
+++ b/chrome/test/in_process_browser_test.h
@@ -70,7 +70,7 @@ class InProcessBrowserTest : public testing::Test {
 
  protected:
   // Returns the browser created by CreateBrowser.
-  Browser* browser() const { return browser_; }
+  virtual Browser* browser() const { return browser_; }
 
   // Convenience methods for adding tabs to a Browser.
   void AddTabAtIndexToBrowser(Browser* browser,
@@ -122,6 +122,9 @@ class InProcessBrowserTest : public testing::Test {
   // This is invoked from Setup.
   virtual Browser* CreateBrowser(Profile* profile);
 
+  // Creates an incognito browser;
+  virtual Browser* CreateIncognitoBrowser();
+
   // Creates a browser for a popup window with a single tab (about:blank), waits
   // for the tab to finish loading, and shows the browser.
   Browser* CreateBrowserForPopup(Profile* profile);