Changing chromeos so that ctrl-o opens the filebrowser

TEST=none
BUG=none
Review URL: http://codereview.chromium.org/1756009

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@45488 0039d316-1c4b-4281-b951-d872f2087c98
diff --git a/chrome/browser/dom_ui/filebrowse_ui.cc b/chrome/browser/dom_ui/filebrowse_ui.cc
index 36f588f..7730e6c 100644
--- a/chrome/browser/dom_ui/filebrowse_ui.cc
+++ b/chrome/browser/dom_ui/filebrowse_ui.cc
@@ -966,9 +966,13 @@
   // Create new browser if no matching pop up found.
   if (browser == NULL) {
     browser = Browser::CreateForPopup(profile);
-
-    std::string url(kFilebrowseURLHash);
-    url.append(hashArgument);
+    std::string url;
+    if (hashArgument.empty()) {
+      url = chrome::kChromeUIFileBrowseURL;
+    } else {
+      url = kFilebrowseURLHash;
+      url.append(hashArgument);
+    }
 
     browser->AddTabWithURL(
         GURL(url), GURL(), PageTransition::LINK,