Add a task manager column that shows memory state of processes

chrome/browser/task_manager/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_MANAGER_SAMPLING_TASK_GROUP_H_
 #define CHROME_BROWSER_TASK_MANAGER_SAMPLING_TASK_GROUP_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <map>
 #include <vector>
 
 #include "base/macros.h"
+#include "base/memory/memory_coordinator_client.h"
 #include "base/memory/weak_ptr.h"
 #include "base/process/process_handle.h"
 #include "build/build_config.h"
 #include "chrome/browser/task_manager/providers/task.h"
 #include "chrome/browser/task_manager/sampling/task_group_sampler.h"
 #include "chrome/browser/task_manager/task_manager_observer.h"
 
 namespace gpu {
 struct VideoMemoryUsageStats;
 }
@@ skipping 43 matching lines @@
 
   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_; }
+  base::MemoryState memory_state() const { return memory_state_; }
   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_; }
   int64_t user_current_handles() const { return user_current_handles_; }
   int64_t user_peak_handles() const { return user_peak_handles_; }
@@ skipping 50 matching lines @@
 
   // Flags will be used to determine when the background calculations has
   // completed for the enabled refresh types for this TaskGroup.
   int64_t expected_on_bg_done_flags_;
   int64_t current_on_bg_done_flags_;
 
   // The per process resources usages.
   double cpu_usage_;
   MemoryUsageStats memory_usage_;
   int64_t gpu_memory_;
+  base::MemoryState memory_state_;
   // The network usage in bytes per second as the sum of all network usages of
   // the individual tasks sharing the same process.
   int64_t per_process_network_usage_;
 #if defined(OS_WIN)
   // Windows GDI and USER Handles.
   int64_t gdi_current_handles_;
   int64_t gdi_peak_handles_;
   int64_t user_current_handles_;
   int64_t user_peak_handles_;
 #endif  // defined(OS_WIN)
@@ skipping 11 matching lines @@
   // Always keep this the last member of this class so that it's the first to be
   // destroyed.
   base::WeakPtrFactory<TaskGroup> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(TaskGroup);
 };
 
 }  // namespace task_manager
 
 #endif  // CHROME_BROWSER_TASK_MANAGER_SAMPLING_TASK_GROUP_H_