Add GPU memory tab to the task manager.

chrome/browser/ui/views/task_manager_view.cc

Index: chrome/browser/ui/views/task_manager_view.cc
diff --git a/chrome/browser/ui/views/task_manager_view.cc b/chrome/browser/ui/views/task_manager_view.cc
index f3ee434314b572488f99f1a1bc3096211005bb1d..f0cac53702476b932b88d45c8842d229fa9bad6b 100644
--- a/chrome/browser/ui/views/task_manager_view.cc
+++ b/chrome/browser/ui/views/task_manager_view.cc
@@ -151,6 +151,9 @@ string16 TaskManagerTableModel::GetText(int row, int col_id) {
     case IDS_TASK_MANAGER_FPS_COLUMN:
       return model_->GetResourceFPS(row);
 
+    case IDS_TASK_MANAGER_VIDMEM_COLUMN:
+      return model_->GetResourceVidmem(row);
+
     case IDS_TASK_MANAGER_SQLITE_MEMORY_USED_COLUMN:
       if (!model_->IsResourceFirstInGroup(row))
         return string16();
@@ -426,6 +429,8 @@ void TaskManagerView::Init() {
   columns_.back().sortable = true;
   columns_.push_back(ui::TableColumn(IDS_TASK_MANAGER_FPS_COLUMN,
                                      ui::TableColumn::RIGHT, -1, 0));
+  columns_.push_back(ui::TableColumn(IDS_TASK_MANAGER_VIDMEM_COLUMN,
+                                     ui::TableColumn::RIGHT, -1, 0));
   columns_.back().sortable = true;
   columns_.push_back(ui::TableColumn(IDS_TASK_MANAGER_SQLITE_MEMORY_USED_COLUMN,
                                      ui::TableColumn::RIGHT, -1, 0));
@@ -449,6 +454,8 @@ void TaskManagerView::Init() {
                                   false);
   tab_table_->SetColumnVisibility(IDS_TASK_MANAGER_WEBCORE_CSS_CACHE_COLUMN,
                                   false);
+  tab_table_->SetColumnVisibility(IDS_TASK_MANAGER_VIDMEM_COLUMN,
+                                  false);
   tab_table_->SetColumnVisibility(IDS_TASK_MANAGER_SQLITE_MEMORY_USED_COLUMN,
                                   false);
   tab_table_->SetColumnVisibility(