Remove the TableRowNSImageCache.

chrome/browser/ui/cocoa/task_manager_mac.h

Index: chrome/browser/ui/cocoa/task_manager_mac.h
diff --git a/chrome/browser/ui/cocoa/task_manager_mac.h b/chrome/browser/ui/cocoa/task_manager_mac.h
index 220d0b77f8bb2c613f14b871c753fdfaed34a045..90ace7ca2a88d8057f69c23b61153453e736d628 100644
--- a/chrome/browser/ui/cocoa/task_manager_mac.h
+++ b/chrome/browser/ui/cocoa/task_manager_mac.h
@@ -11,7 +11,6 @@
 #include "base/mac/scoped_nsobject.h"
 #include "base/macros.h"
 #include "chrome/browser/task_manager/task_manager.h"
-#include "chrome/browser/ui/cocoa/table_row_nsimage_cache.h"
 
 @class WindowSizeAutosaver;
 class TaskManagerMac;
@@ -61,8 +60,7 @@ class ImageSkia;
 @end
 
 // This class listens to task changed events sent by chrome.
-class TaskManagerMac : public TaskManagerModelObserver,
-                       public TableRowNSImageCache::Table {
+class TaskManagerMac : public TaskManagerModelObserver {
  public:
   explicit TaskManagerMac(TaskManager* task_manager);
   ~TaskManagerMac() override;
@@ -77,10 +75,6 @@ class TaskManagerMac : public TaskManagerModelObserver,
   // controller destroyed itself. Informs the model to stop updating.
   void WindowWasClosed();
 
-  // TableRowNSImageCache::Table
-  int RowCount() const override;
-  gfx::ImageSkia GetIcon(int r) const override;
-
   // Creates the task manager if it doesn't exist; otherwise, it activates the
   // existing task manager window.
   static void Show();
@@ -108,9 +102,6 @@ class TaskManagerMac : public TaskManagerModelObserver,
   // is closed.
   TaskManagerWindowController* window_controller_;  // weak
 
-  // Caches favicons for all rows. Needs to be initalized after |model_|.
-  TableRowNSImageCache icon_cache_;
-
   // An open task manager window. There can only be one open at a time. This
   // is reset to NULL when the window is closed.
   static TaskManagerMac* instance_;