Add animation support for WebP images

Source/WebKit/chromium/WebKitUnitTests.gyp

 #
 # Copyright (C) 2011 Google Inc. All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are
 # met:
 #
 #         * Redistributions of source code must retain the above copyright
 # notice, this list of conditions and the following disclaimer.
 #         * Redistributions in binary form must reproduce the above
@@ skipping 32 matching lines @@
             'msvs_guid': '7CEFE800-8403-418A-AD6A-2D52C6FC3EAD',
             'dependencies': [
                 'WebKit.gyp:webkit',
                 '../../../Tools/DumpRenderTree/DumpRenderTree.gyp/DumpRenderTree.gyp:DumpRenderTree_resources',
                 '<(DEPTH)/base/base.gyp:base',
                 '<(DEPTH)/base/base.gyp:base_i18n',
                 '<(DEPTH)/base/base.gyp:test_support_base',
                 '<(DEPTH)/build/temp_gyp/googleurl.gyp:googleurl',
                 '<(DEPTH)/testing/gmock.gyp:gmock',
                 '<(DEPTH)/testing/gtest.gyp:gtest',
+                '<(DEPTH)/third_party/libwebp/libwebp.gyp:libwebp',
                 '<(DEPTH)/third_party/zlib/zlib.gyp:zlib',
                 '<(DEPTH)/v8/tools/gyp/v8.gyp:v8',
                 '<(DEPTH)/webkit/support/webkit_support.gyp:webkit_support',
             ],
             'sources': [
                 'tests/RunAllTests.cpp',
             ],
             'include_dirs': [
                 'public',
                 'src',
@@ skipping 91 matching lines @@
         ['clang==1', {
             'target_defaults': {
                 'cflags': ['-Wunused-parameter'],
                 'xcode_settings': {
                     'WARNING_CFLAGS': ['-Wunused-parameter'],
                 },
             },
         }],
     ],
 }