[Mac] Always use the small, non-high res default avatars in the People menu bar

chrome/browser/ui/cocoa/profiles/profile_menu_controller.mm

 // Copyright 2014 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.
 
 #import "chrome/browser/ui/cocoa/profiles/profile_menu_controller.h"
 
 #include "base/mac/scoped_nsobject.h"
 #include "base/strings/sys_string_conversions.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/profiles/avatar_menu.h"
@@ skipping 115 matching lines @@
     const AvatarMenu::Item& itemData = avatarMenu_->GetItemAt(i);
     NSString* name = base::SysUTF16ToNSString(itemData.name);
     SEL action = dock ? @selector(switchToProfileFromDock:)
                       : @selector(switchToProfileFromMenu:);
     NSMenuItem* item = [self createItemWithTitle:name
                                           action:action];
     [item setTag:itemData.menu_index];
     if (dock) {
       [item setIndentationLevel:1];
     } else {
-      gfx::Image itemIcon = itemData.icon;
+      gfx::Image itemIcon;
+      bool isRectangle;
+      // Always use the low-res, small default avatars in the menu.
+      AvatarMenu::GetImageForMenuButton(itemData.profile_path,
+                                        &itemIcon,
+                                        &isRectangle);
+
       // The image might be too large and need to be resized (i.e. if this is
       // a signed-in user using the GAIA profile photo).
       if (itemIcon.Width() > profiles::kAvatarIconWidth ||
           itemIcon.Height() > profiles::kAvatarIconHeight) {
         itemIcon = profiles::GetAvatarIconForWebUI(itemIcon, true);
       }
       DCHECK(itemIcon.Width() <= profiles::kAvatarIconWidth);
       DCHECK(itemIcon.Height() <= profiles::kAvatarIconHeight);
       [item setImage:itemIcon.ToNSImage()];
       [item setState:itemData.active ? NSOnState : NSOffState];
@@ skipping 107 matching lines @@
 }
 
 - (NSMenuItem*)createItemWithTitle:(NSString*)title action:(SEL)sel {
   base::scoped_nsobject<NSMenuItem> item(
       [[NSMenuItem alloc] initWithTitle:title action:sel keyEquivalent:@""]);
   [item setTarget:self];
   return [item.release() autorelease];
 }
 
 @end