Add file icons to chrome://downloads/ on the Mac. Add Skia helper CGImageToSkBitmap().

skia/skia.gyp

 # Copyright (c) 2009 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.
 
 {
   'includes': [
     '../build/common.gypi',
   ],
   'targets': [
     {
@@ skipping 507 matching lines @@
         'ext/platform_device_linux.cc',
         'ext/platform_device_linux.h',
         'ext/platform_device_mac.cc',
         'ext/platform_device_mac.h',
         'ext/platform_device_win.cc',
         'ext/platform_device_win.h',
         'ext/SkMemory_new_handler.cpp',
         'ext/SkTypeface_fake.cpp',
         'ext/skia_utils.cc',
         'ext/skia_utils.h',
-        'ext/skia_utils_mac.cc',
+        'ext/skia_utils_mac.mm',
         'ext/skia_utils_mac.h',
         'ext/skia_utils_win.cc',
         'ext/skia_utils_win.h',
         'ext/vector_canvas.cc',
         'ext/vector_canvas.h',
         'ext/vector_platform_device_win.cc',
         'ext/vector_platform_device_win.h',
       ],
       'include_dirs': [
         '..',
@@ skipping 62 matching lines @@
           ],
           'export_dependent_settings': [
             '../third_party/harfbuzz/harfbuzz.gyp:harfbuzz',
             '../third_party/harfbuzz/harfbuzz.gyp:harfbuzz_interface',
           ],
         }],
         [ 'OS == "mac"', {
           'defines': [
             'SK_BUILD_FOR_MAC',
           ],
-          'include_dirs': [
-            '../third_party/skia/include/utils/mac',
-          ],
+          'include_dirs': [
+            '../third_party/skia/include/utils/mac',
+          ],
+          'link_settings': {
+            'libraries': [
+              '$(SDKROOT)/System/Library/Frameworks/AppKit.framework',
+            ],
+          },
         }],
         [ 'OS == "win"', {
           'sources!': [
             '../third_party/skia/src/core/SkMMapStream.cpp',
             '../third_party/skia/src/ports/SkThread_pthread.cpp',
             '../third_party/skia/src/ports/SkTime_Unix.cc',
           ],
           'configurations': {
             'Debug': {
               'msvs_precompiled_header': 'include/core/SkTypes.h',
               'msvs_precompiled_source': 'precompiled.cc',
             },
           },
           'include_dirs': [
             'config/win',
           ],
         },],
       ],
       'direct_dependent_settings': {
         'include_dirs': [
           'config',
           '../third_party/skia/include/core',
           '../third_party/skia/include/effects',
           'ext',
         ],
       },
     },
   ],
 }