Out of line cleanups for Mac.

chrome/browser/ui/cocoa/table_row_nsimage_cache.mm

 // Copyright (c) 2010 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/table_row_nsimage_cache.h"
 
 #include "base/logging.h"
 #include "skia/ext/skia_utils_mac.h"
 #include "third_party/skia/include/core/SkBitmap.h"
 
 TableRowNSImageCache::TableRowNSImageCache(Table* model)
     : model_(model),
       icon_images_([[NSPointerArray alloc] initWithOptions:
           NSPointerFunctionsStrongMemory |
           NSPointerFunctionsObjectPersonality]) {
   int count = model_->RowCount();
   [icon_images_ setCount:count];
 }
 
+TableRowNSImageCache::~TableRowNSImageCache() {}
+
 void TableRowNSImageCache::OnModelChanged() {
   int count = model_->RowCount();
   [icon_images_ setCount:0];
   [icon_images_ setCount:count];
 }
 
 void TableRowNSImageCache::OnItemsChanged(int start, int length) {
   DCHECK_LE(start + length, static_cast<int>([icon_images_ count]));
   for (int i = start; i < (start + length); ++i) {
     [icon_images_ replacePointerAtIndex:i withPointer:NULL];
@@ skipping 40 matching lines @@
     // Empty bitmaps are intentionally not cached.
     if (!bitmap_icon.isNull()) {
       image = gfx::SkBitmapToNSImage(bitmap_icon);
       DCHECK(image);
       [icon_images_ replacePointerAtIndex:row withPointer:image];
     }
   }
   return image;
 }