Add GPU memory tab to the task manager.

chrome/browser/ui/cocoa/task_manager_mac.mm

 // Copyright (c) 2012 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/cocoa/task_manager_mac.h"
 
 #include <algorithm>
 #include <vector>
 
 #include "base/mac/bundle_locations.h"
@@ skipping 36 matching lines @@
   { IDS_TASK_MANAGER_PROCESS_ID_COLUMN,
       arraysize("73099  ") * kCharWidth, -1 },
   { IDS_TASK_MANAGER_WEBCORE_IMAGE_CACHE_COLUMN,
       arraysize("2000.0K (2000.0 live)") * kCharWidth, -1 },
   { IDS_TASK_MANAGER_WEBCORE_SCRIPTS_CACHE_COLUMN,
       arraysize("2000.0K (2000.0 live)") * kCharWidth, -1 },
   { IDS_TASK_MANAGER_WEBCORE_CSS_CACHE_COLUMN,
       arraysize("2000.0K (2000.0 live)") * kCharWidth, -1 },
   { IDS_TASK_MANAGER_FPS_COLUMN,
       arraysize("100") * kCharWidth, -1 },
+  { IDS_TASK_MANAGER_VIDEO_MEMORY_COLUMN,
+      arraysize("2000.0K") * kCharWidth, -1 },
   { IDS_TASK_MANAGER_SQLITE_MEMORY_USED_COLUMN,
       arraysize("800 kB") * kCharWidth, -1 },
   { IDS_TASK_MANAGER_JAVASCRIPT_MEMORY_ALLOCATED_COLUMN,
       arraysize("2000.0K (2000.0 live)") * kCharWidth, -1 },
   { IDS_TASK_MANAGER_GOATS_TELEPORTED_COLUMN,
       arraysize("15 ") * kCharWidth, -1 },
 };
 
 class SortHelper {
  public:
@@ skipping 231 matching lines @@
   [self addColumnWithId:IDS_TASK_MANAGER_PRIVATE_MEM_COLUMN visible:NO];
   [self addColumnWithId:IDS_TASK_MANAGER_CPU_COLUMN visible:YES];
   [self addColumnWithId:IDS_TASK_MANAGER_NET_COLUMN visible:YES];
   [self addColumnWithId:IDS_TASK_MANAGER_PROCESS_ID_COLUMN visible:NO];
   [self addColumnWithId:IDS_TASK_MANAGER_WEBCORE_IMAGE_CACHE_COLUMN
                 visible:NO];
   [self addColumnWithId:IDS_TASK_MANAGER_WEBCORE_SCRIPTS_CACHE_COLUMN
                 visible:NO];
   [self addColumnWithId:IDS_TASK_MANAGER_WEBCORE_CSS_CACHE_COLUMN visible:NO];
   [self addColumnWithId:IDS_TASK_MANAGER_FPS_COLUMN visible:YES];
+  [self addColumnWithId:IDS_TASK_MANAGER_VIDEO_MEMORY_COLUMN visible:NO];
   [self addColumnWithId:IDS_TASK_MANAGER_SQLITE_MEMORY_USED_COLUMN visible:NO];
   [self addColumnWithId:IDS_TASK_MANAGER_JAVASCRIPT_MEMORY_ALLOCATED_COLUMN
                 visible:NO];
   [self addColumnWithId:IDS_TASK_MANAGER_GOATS_TELEPORTED_COLUMN visible:NO];
 }
 
 // Creates a context menu for the table header that allows the user to toggle
 // which columns should be shown and which should be hidden (like e.g.
 // Task Manager.app's table header context menu).
 - (void)setUpTableHeaderContextMenu {
@@ skipping 163 matching lines @@
 
     case IDS_TASK_MANAGER_WEBCORE_CSS_CACHE_COLUMN:  // WebCore CSS cache
       if (!model_->IsResourceFirstInGroup(row))
         return @"";
       return base::SysUTF16ToNSString(
           model_->GetResourceWebCoreCSSCacheSize(row));
 
     case IDS_TASK_MANAGER_FPS_COLUMN:
       return base::SysUTF16ToNSString(model_->GetResourceFPS(row));
 
+    case IDS_TASK_MANAGER_VIDEO_MEMORY_COLUMN:
+      return base::SysUTF16ToNSString(model_->GetResourceVideoMemory(row));
+
     case IDS_TASK_MANAGER_SQLITE_MEMORY_USED_COLUMN:
       if (!model_->IsResourceFirstInGroup(row))
         return @"";
       return base::SysUTF16ToNSString(
           model_->GetResourceSqliteMemoryUsed(row));
 
     case IDS_TASK_MANAGER_JAVASCRIPT_MEMORY_ALLOCATED_COLUMN:
       if (!model_->IsResourceFirstInGroup(row))
         return @"";
       return base::SysUTF16ToNSString(
@@ skipping 146 matching lines @@
       // "Task Manager" so close the existing window and fall through to
       // open a new one.
       [[instance_->window_controller_ window] close];
     }
   }
   // Create a new instance.
   instance_ = new TaskManagerMac(TaskManager::GetInstance(),
                                  highlight_background_resources);
   instance_->model_->StartUpdating();
 }