[ChromeOS] Add Swapped Memory to TaskManager

chrome/browser/task_management/sampling/task_group.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_TASK_MANAGEMENT_SAMPLING_TASK_GROUP_H_
 #define CHROME_BROWSER_TASK_MANAGEMENT_SAMPLING_TASK_GROUP_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 52 matching lines @@
   const base::ProcessHandle& process_handle() const { return process_handle_; }
   const base::ProcessId& process_id() const { return process_id_; }
 
   size_t num_tasks() const { return tasks_.size(); }
   bool empty() const { return tasks_.empty(); }
 
   double cpu_usage() const { return cpu_usage_; }
   int64_t private_bytes() const { return memory_usage_.private_bytes; }
   int64_t shared_bytes() const { return memory_usage_.shared_bytes; }
   int64_t physical_bytes() const { return memory_usage_.physical_bytes; }
+#if defined(OS_CHROMEOS)
+  int64_t swapped_bytes() const { return memory_usage_.swapped_bytes; }
+#endif
   int64_t gpu_memory() const { return gpu_memory_; }
   bool gpu_memory_has_duplicates() const { return gpu_memory_has_duplicates_; }
   int64_t per_process_network_usage() const {
     return per_process_network_usage_;
   }
   bool is_backgrounded() const { return is_backgrounded_; }
 
 #if defined(OS_WIN)
   int64_t gdi_current_handles() const { return gdi_current_handles_; }
   int64_t gdi_peak_handles() const { return gdi_peak_handles_; }
@@ skipping 81 matching lines @@
   // destroyed.
   base::WeakPtrFactory<TaskGroup> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(TaskGroup);
 };
 
 }  // namespace task_management
 
 
 #endif  // CHROME_BROWSER_TASK_MANAGEMENT_SAMPLING_TASK_GROUP_H_