Add a task manager column that shows memory state of processes

chrome/browser/task_manager/task_manager_tester.cc

Index: chrome/browser/task_manager/task_manager_tester.cc
diff --git a/chrome/browser/task_manager/task_manager_tester.cc b/chrome/browser/task_manager/task_manager_tester.cc
index 5d6bd43cf7066ff2dfa353be9e38ad3cb07ddd65..f93a2497d90e585aa4565270c6aae8e647a32051 100644
--- a/chrome/browser/task_manager/task_manager_tester.cc
+++ b/chrome/browser/task_manager/task_manager_tester.cc
@@ -109,6 +109,9 @@ void TaskManagerTester::ToggleColumnVisibility(ColumnSpecifier column) {
     case ColumnSpecifier::IDLE_WAKEUPS:
       column_id = IDS_TASK_MANAGER_IDLE_WAKEUPS_COLUMN;
       break;
+    case ColumnSpecifier::MEMORY_STATE:
+      column_id = IDS_TASK_MANAGER_MEMORY_STATE_COLUMN;
+      break;
   }
   model_->ToggleColumnVisibility(column_id);
 }
@@ -121,6 +124,7 @@ int64_t TaskManagerTester::GetColumnValue(ColumnSpecifier column, int row) {
 
   switch (column) {
     case ColumnSpecifier::COLUMN_NONE:
+    case ColumnSpecifier::MEMORY_STATE:
       break;
     case ColumnSpecifier::V8_MEMORY:
       success = task_manager()->GetV8Memory(task_id, &value, &ignored);
@@ -147,6 +151,11 @@ int32_t TaskManagerTester::GetTabId(int row) {
   return task_manager()->GetTabId(task_id);
 }
 
+base::MemoryState TaskManagerTester::GetMemoryState(int row) {
+  TaskId task_id = model_->tasks_[row];
+  return task_manager()->GetMemoryState(task_id);
+}
+
 void TaskManagerTester::Kill(int row) {
   model_->KillTask(row);
 }