Adding new test for mount observer. Also changing the usb mounter to only rel...

chrome/browser/chromeos/usb_mount_observer.cc

 // Copyright (c) 2009 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/chromeos/usb_mount_observer.h"
 
 #include "chrome/browser/browser.h"
 #include "chrome/browser/browser_window.h"
 #include "chrome/browser/dom_ui/filebrowse_ui.h"
 #include "chrome/browser/tab_contents/tab_contents.h"
@@ skipping 58 matching lines @@
           if (!disks[i].mount_path.empty()) {
             // Doing second search to see if the current disk has already
             // been popped up due to its parent device being plugged in.
             iter = FindBrowserForPath(disks[i].system_path);
             if (iter != browsers_.end()) {
               std::string url = kFilebrowseURLHash;
               url += disks[i].mount_path;
               TabContents* tab = iter->browser->GetSelectedTabContents();
               tab->OpenURL(GURL(url), GURL(), CURRENT_TAB,
                   PageTransition::LINK);
+              tab->NavigateToPendingEntry(NavigationController::RELOAD);
               iter->device_path = path;
-              iter->browser->Reload();
             } else {
               OpenFileBrowse(disks[i].mount_path, disks[i].device_path);
             }
           }
           return;
         }
       }
     }
   } else if (evt == chromeos::DEVICE_ADDED) {
     LOG(INFO) << "Got device added" << path;
@@ skipping 24 matching lines @@
                       NotificationType::BROWSER_CLOSED,
                       Source<Browser>(i->browser));
     if (i->browser->window()) {
       i->browser->window()->Close();
     }
     browsers_.erase(i);
   }
 }
 
 } // namespace chromeos