TabManager: Set OOM scores via a new debugd interface on ChromeOS.

chrome/browser/memory/tab_manager_delegate_chromeos.h

 // Copyright 2015 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_MEMORY_TAB_MANAGER_DELEGATE_CHROMEOS_H_
 #define CHROME_BROWSER_MEMORY_TAB_MANAGER_DELEGATE_CHROMEOS_H_
 
 #include <memory>
 #include <utility>
 #include <vector>
@@ skipping 72 matching lines @@
   // Returns oom_score_adj of a process if the score is cached by |this|.
   // If couldn't find the score in the cache, returns -1001 since the valid
   // range of oom_score_adj is [-1000, 1000].
   int GetCachedOomScore(base::ProcessHandle process_handle);
 
   // Called when the timer fires, sets oom_adjust_score for all renderers.
   void AdjustOomPriorities(const TabStatsList& tab_list);
 
  protected:
   // Sets oom_score_adj for a list of tabs.
-  // This is a delegator to to SetOomScoreAdjForTabsOnFileThread(),
+  // This is a delegator to to SetOomScoreAdjOnFileThread(),
   // also as a seam for unit test.
-  virtual void SetOomScoreAdjForTabs(
+  virtual void SetOomScoreAdj(
       const std::vector<std::pair<base::ProcessHandle, int>>& entries);
 
   // Kills an Arc process. Returns true if the kill request is successfully sent
   // to Android. Virtual for unit testing.
   virtual bool KillArcProcess(const int nspid);
 
   // Kills a tab. Returns true if the tab is killed successfully.
   // Virtual for unit testing.
   virtual bool KillTab(int64_t tab_id);
 
@@ skipping 40 matching lines @@
   void AdjustFocusedTabScoreOnFileThread();
 
   // Sets a newly focused tab the highest priority process if it wasn't.
   void AdjustFocusedTabScore(base::ProcessHandle pid);
 
   // Called by AdjustOomPriorities. Runs on the main thread.
   void AdjustOomPrioritiesImpl(
       const TabStatsList& tab_list,
       const std::vector<arc::ArcProcess>& arc_processes);
 
-  // Sets oom_score_adj of an ARC app.
-  void SetOomScoreAdjForApp(int nspid, int score);
-
   // Sets oom_score_adj for a list of tabs on the file thread.
-  void SetOomScoreAdjForTabsOnFileThread(
+  void SetOomScoreAdjOnFileThread(
       const std::vector<std::pair<base::ProcessHandle, int>>& entries);
 
   // Sets OOM score for processes in the range [|rbegin|, |rend|) to integers
   // distributed evenly in [|range_begin|, |range_end|).
   // The new score is set in |new_map|.
   void DistributeOomScoreInRange(
       std::vector<TabManagerDelegate::Candidate>::const_iterator begin,
       std::vector<TabManagerDelegate::Candidate>::const_iterator end,
       int range_begin,
       int range_end,
@@ skipping 93 matching lines @@
   // reported if available memory is under the number.
   static int LowMemoryMarginKB();
 
   // Reads in an integer.
   static int ReadIntFromFile(const char* file_name, int default_val);
 };
 
 }  // namespace memory
 
 #endif  // CHROME_BROWSER_MEMORY_TAB_MANAGER_DELEGATE_CHROMEOS_H_