Add a task manager column that shows memory state of processes

chrome/browser/ui/task_manager/task_manager_columns.cc

 // 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.
 
 #include "chrome/browser/ui/task_manager/task_manager_columns.h"
 
 #include "base/logging.h"
 #include "base/macros.h"
 #include "build/build_config.h"
 #include "chrome/grit/generated_resources.h"
@@ skipping 62 matching lines @@
     false },
   { IDS_TASK_MANAGER_IDLE_WAKEUPS_COLUMN, ui::TableColumn::RIGHT, -1, 0,
     arraysize("idlewakeups") * kCharWidth, -1, true, false, false },
 
 #if defined(OS_LINUX)
   { IDS_TASK_MANAGER_OPEN_FD_COUNT_COLUMN, ui::TableColumn::RIGHT, -1, 0,
     arraysize("999") * kCharWidth, -1, true, false, false },
 #endif  // defined(OS_LINUX)
   { IDS_TASK_MANAGER_PROCESS_PRIORITY_COLUMN, ui::TableColumn::LEFT, -1, 0,
     arraysize("background") * kCharWidth, -1, true, true, false },
+  { IDS_TASK_MANAGER_MEMORY_STATE_COLUMN, ui::TableColumn::LEFT, -1, 0,
+    arraysize("throttled") * kCharWidth, -1, true, false, false },
 };
 
 const size_t kColumnsSize = arraysize(kColumns);
 
 const char kSortColumnIdKey[] = "sort_column_id";
 const char kSortIsAscendingKey[] = "sort_is_ascending";
 
 // We can't use the integer IDs of the columns converted to strings as session
 // restore keys. These integer values can change from one build to another as
 // they are generated. Instead we use the literal string value of the column
@@ skipping 14 matching lines @@
   def(IDS_TASK_MANAGER_USER_HANDLES_COLUMN) \
   def(IDS_TASK_MANAGER_WEBCORE_IMAGE_CACHE_COLUMN) \
   def(IDS_TASK_MANAGER_WEBCORE_SCRIPTS_CACHE_COLUMN) \
   def(IDS_TASK_MANAGER_WEBCORE_CSS_CACHE_COLUMN) \
   def(IDS_TASK_MANAGER_VIDEO_MEMORY_COLUMN) \
   def(IDS_TASK_MANAGER_SQLITE_MEMORY_USED_COLUMN) \
   def(IDS_TASK_MANAGER_NACL_DEBUG_STUB_PORT_COLUMN) \
   def(IDS_TASK_MANAGER_JAVASCRIPT_MEMORY_ALLOCATED_COLUMN) \
   def(IDS_TASK_MANAGER_IDLE_WAKEUPS_COLUMN) \
   def(IDS_TASK_MANAGER_OPEN_FD_COUNT_COLUMN) \
-  def(IDS_TASK_MANAGER_PROCESS_PRIORITY_COLUMN)
+  def(IDS_TASK_MANAGER_PROCESS_PRIORITY_COLUMN) \
+  def(IDS_TASK_MANAGER_MEMORY_STATE_COLUMN)
 // Add to the above list in the macro any new IDs added in the future. Also
 // remove the removed ones.
 
 #define COLUMN_ID_AS_STRING(col_id) case col_id: return std::string(#col_id);
 
 std::string GetColumnIdAsString(int column_id) {
   switch (column_id) {
     COLUMNS_LIST(COLUMN_ID_AS_STRING)
     default:
       NOTREACHED();
       return std::string();
   }
 }
 
 }  // namespace task_manager