Add abstractions that let embedders drive tests of WebContents.

chrome/browser/oom_priority_manager.h

 
 // Copyright (c) 2012 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.
 
 #ifndef CHROME_BROWSER_OOM_PRIORITY_MANAGER_H_
 #define CHROME_BROWSER_OOM_PRIORITY_MANAGER_H_
 
 #include <vector>
 
 #include "base/compiler_specific.h"
 #include "base/gtest_prod_util.h"
 #include "base/hash_tables.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/process.h"
 #include "base/string16.h"
 #include "base/synchronization/lock.h"
 #include "base/time.h"
 #include "base/timer.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
 
-class TabContents;
-
 namespace browser {
 
 class LowMemoryObserver;
 
 // The OomPriorityManager periodically checks (see
 // ADJUSTMENT_INTERVAL_SECONDS in the source) the status of renderers
 // and adjusts the out of memory (OOM) adjustment value (in
 // /proc/<pid>/oom_score_adj) of the renderers so that they match the
 // algorithm embedded here for priority in being killed upon OOM
 // conditions.
@@ skipping 64 matching lines @@
   base::ProcessHandle focused_tab_pid_;
 
   scoped_ptr<LowMemoryObserver> low_memory_observer_;
 
   DISALLOW_COPY_AND_ASSIGN(OomPriorityManager);
 };
 
 }  // namespace browser
 
 #endif  // CHROME_BROWSER_OOM_PRIORITY_MANAGER_H_