s/\bArc\b/ARC/g for ARC related code.

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 61 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:
-  // Kills an Arc process. Returns true if the kill request is successfully sent
+  // 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);
 
   // Get debugd client instance.
   virtual chromeos::DebugDaemonClient* GetDebugDaemonClient();
 
@@ skipping 136 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_