Gallery: Fix scrolling by touch in the mosaic view.

chrome/browser/chromeos/extensions/file_manager/device_event_router.cc

 // Copyright 2014 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 "base/bind.h"
 #include "base/thread_task_runner_handle.h"
 #include "chrome/browser/chromeos/extensions/file_manager/device_event_router.h"
 #include "chrome/browser/chromeos/file_manager/volume_manager.h"
 #include "content/public/browser/browser_thread.h"
 
@@ skipping 42 matching lines @@
   DCHECK(thread_checker_.CalledOnValidThread());
 
   if (is_starting_up_ || is_resuming_) {
     SetDeviceState(device_path, DEVICE_STATE_USUAL);
     return;
   }
 
   if (IsExternalStorageDisabled()) {
     OnDeviceEvent(file_manager_private::DEVICE_EVENT_TYPE_DISABLED,
                   device_path);
-    SetDeviceState(device_path, DEVICE_STATE_USUAL);
     return;
   }
 
   SetDeviceState(device_path, DEVICE_SCANNED);
   base::ThreadTaskRunnerHandle::Get()->PostDelayedTask(
       FROM_HERE,
       base::Bind(&DeviceEventRouter::OnDeviceAddedDelayed,
                  weak_factory_.GetWeakPtr(),
                  device_path),
       scan_time_delta_);
@@ skipping 115 matching lines @@
     device_states_[device_path] = state;
   } else {
     const std::map<std::string, DeviceState>::iterator it =
         device_states_.find(device_path);
     if (it != device_states_.end())
       device_states_.erase(it);
   }
 }
 
 }  // namespace file_manager