Force all Mac Task Manager icons to be the same size.

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 <stddef.h>
 
 #include <algorithm>
 #include <vector>
@@ skipping 585 matching lines @@
 
 ////////////////////////////////////////////////////////////////////////////////
 // Called by the TaskManagerWindowController:
 
 void TaskManagerMac::WindowWasClosed() {
   delete this;
   instance_ = nullptr;  // |instance_| is static
 }
 
 NSImage* TaskManagerMac::GetImageForRow(int row) {
-  const CGFloat kImageWidth = 16.0;
+  const NSSize kImageSize = NSMakeSize(16.0, 16.0);
   NSImage* image = gfx::NSImageFromImageSkia(table_model_->GetIcon(row));
-  if (!image) {
-    image = [[[NSImage alloc] initWithSize:NSMakeSize(kImageWidth, kImageWidth)]
-        autorelease];
-  }
+  if (image)
+    image.size = kImageSize;
+  else
+    image = [[[NSImage alloc] initWithSize:kImageSize] autorelease];
+
   return image;
 }
 
 void TaskManagerMac::Observe(int type,
                              const content::NotificationSource& source,
                              const content::NotificationDetails& details) {
   DCHECK_EQ(chrome::NOTIFICATION_APP_TERMINATING, type);
   Hide();
 }
 
@@ skipping 30 matching lines @@
 void HideTaskManager() {
   if (chrome::ToolkitViewsDialogsEnabled()) {
     chrome::HideTaskManagerViews();
     return;
   }
 
   task_management::TaskManagerMac::Hide();
 }
 
 }  // namespace chrome