Expose all reusable task manager view code so it can be used by Mac

chrome/browser/ui/task_manager/task_manager_columns.cc

Index: chrome/browser/ui/task_manager/task_manager_columns.cc
diff --git a/chrome/browser/ui/task_manager/task_manager_columns.cc b/chrome/browser/ui/task_manager/task_manager_columns.cc
new file mode 100644
index 0000000000000000000000000000000000000000..304fff16be9095943f49c58be46a5b437c57e900
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+++ b/chrome/browser/ui/task_manager/task_manager_columns.cc
@@ -0,0 +1,120 @@
+// 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 "chrome/grit/generated_resources.h"
+
+namespace task_management {
+
+namespace {
+
+// On Mac: Width of "a" and most other letters/digits in "small" table views.
+const int kCharWidth = 6;
+
+}  // namespace
+
+// IMPORTANT: Do NOT change the below list without changing the COLUMN_LIST
+// macro below.
+const TableColumnData kColumns[] = {
+  { IDS_TASK_MANAGER_TASK_COLUMN, ui::TableColumn::LEFT, -1, 1, 120, 600, true,
+    true, true },
+  { IDS_TASK_MANAGER_PROFILE_NAME_COLUMN, ui::TableColumn::LEFT, -1, 0, 60, 200,
+    true, true, false },
+  { IDS_TASK_MANAGER_PHYSICAL_MEM_COLUMN, ui::TableColumn::RIGHT, -1, 0,
+    arraysize("800 MiB") * kCharWidth, -1, true, false, true },
+  { IDS_TASK_MANAGER_SHARED_MEM_COLUMN, ui::TableColumn::RIGHT, -1, 0,
+    arraysize("800 MiB") * kCharWidth, -1, true, false, false },
+  { IDS_TASK_MANAGER_PRIVATE_MEM_COLUMN, ui::TableColumn::RIGHT, -1, 0,
+    arraysize("800 MiB") * kCharWidth, -1, true, false, false },
+  { IDS_TASK_MANAGER_CPU_COLUMN, ui::TableColumn::RIGHT, -1, 0,
+    arraysize("99.9") * kCharWidth, -1, true, false, true },
+  { IDS_TASK_MANAGER_NET_COLUMN, ui::TableColumn::RIGHT, -1, 0,
+    arraysize("150 kiB/s") * kCharWidth, -1, true, false, true },
+  { IDS_TASK_MANAGER_PROCESS_ID_COLUMN, ui::TableColumn::RIGHT, -1, 0,
+    arraysize("73099  ") * kCharWidth, -1, true, true, true },
+
+#if defined(OS_WIN)
+  { IDS_TASK_MANAGER_GDI_HANDLES_COLUMN, ui::TableColumn::RIGHT, -1, 0, 0, 0,
+    true, false, false },
+  { IDS_TASK_MANAGER_USER_HANDLES_COLUMN, ui::TableColumn::RIGHT, -1, 0, 0, 0,
+    true, false, false },
+#endif
+
+  { IDS_TASK_MANAGER_WEBCORE_IMAGE_CACHE_COLUMN, ui::TableColumn::RIGHT, -1, 0,
+    arraysize("2000.0K (2000.0 live)") * kCharWidth, -1, true, false, false },
+  { IDS_TASK_MANAGER_WEBCORE_SCRIPTS_CACHE_COLUMN, ui::TableColumn::RIGHT, -1,
+    0, arraysize("2000.0K (2000.0 live)") * kCharWidth, -1, true, false,
+    false },
+  { IDS_TASK_MANAGER_WEBCORE_CSS_CACHE_COLUMN, ui::TableColumn::RIGHT, -1, 0,
+    arraysize("2000.0K (2000.0 live)") * kCharWidth, -1, true, false, false },
+  { IDS_TASK_MANAGER_VIDEO_MEMORY_COLUMN, ui::TableColumn::RIGHT, -1, 0,
+    arraysize("2000.0K") * kCharWidth, -1, true, false, false },
+  { IDS_TASK_MANAGER_SQLITE_MEMORY_USED_COLUMN, ui::TableColumn::RIGHT, -1, 0,
+    arraysize("800 kB") * kCharWidth, -1, true, false, false },
+
+#if !defined(DISABLE_NACL)
+  { IDS_TASK_MANAGER_NACL_DEBUG_STUB_PORT_COLUMN, ui::TableColumn::RIGHT, -1, 0,
+    arraysize("32767") * kCharWidth, -1, true, true, false },
+#endif  // !defined(DISABLE_NACL)
+
+  { IDS_TASK_MANAGER_JAVASCRIPT_MEMORY_ALLOCATED_COLUMN, ui::TableColumn::RIGHT,
+    -1, 0, arraysize("2000.0K (2000.0 live)") * kCharWidth, -1, true, false,
+    false },
+
+#if defined(OS_MACOSX) || defined(OS_LINUX)
+  // TODO(port): Port the idle wakeups per second to platforms other than Linux
+  // and MacOS (http://crbug.com/120488).
+  { IDS_TASK_MANAGER_IDLE_WAKEUPS_COLUMN, ui::TableColumn::RIGHT, -1, 0,
+    arraysize("idlewakeups") * kCharWidth, -1, true, false, false },
+#endif  // defined(OS_MACOSX) || defined(OS_LINUX)
+};
+
+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
+// ID symbol (i.e. for the ID IDS_TASK_MANAGER_TASK_COLUMN, we use the literal
+// string "IDS_TASK_MANAGER_TASK_COLUMN". The following macros help us
+// efficiently get the literal ID for the integer value.
+#define COLUMNS_LITS(def) \
+  def(IDS_TASK_MANAGER_TASK_COLUMN) \
+  def(IDS_TASK_MANAGER_PROFILE_NAME_COLUMN) \
+  def(IDS_TASK_MANAGER_PHYSICAL_MEM_COLUMN) \
+  def(IDS_TASK_MANAGER_SHARED_MEM_COLUMN) \
+  def(IDS_TASK_MANAGER_PRIVATE_MEM_COLUMN) \
+  def(IDS_TASK_MANAGER_CPU_COLUMN) \
+  def(IDS_TASK_MANAGER_NET_COLUMN) \
+  def(IDS_TASK_MANAGER_PROCESS_ID_COLUMN) \
+  def(IDS_TASK_MANAGER_GDI_HANDLES_COLUMN) \
+  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)
+// 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_LITS(COLUMN_ID_AS_STRING)
+    default:
+      NOTREACHED();
+      return std::string();
+  }
+}
+
+
+}  // namespace task_management