Add WebP library to Chromium...

chrome/chrome.gyp

 # 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.
 {
   'variables': {
     'chromium_code': 1,
 
     'variables': {
       'version_py_path': 'tools/build/version.py',
       'version_path': 'VERSION',
@@ skipping 1605 matching lines @@
             '../sdch/sdch.gyp:*',
             '../skia/skia.gyp:*',
             '../testing/gmock.gyp:*',
             '../testing/gtest.gyp:*',
             '../third_party/bsdiff/bsdiff.gyp:*',
             '../third_party/bspatch/bspatch.gyp:*',
             '../third_party/bzip2/bzip2.gyp:*',
             '../third_party/codesighs/codesighs.gyp:*',
             '../third_party/icu/icu.gyp:*',
             '../third_party/libjpeg/libjpeg.gyp:*',
+            '../third_party/libwebp/libwebp.gyp:*',
             '../third_party/libpng/libpng.gyp:*',
             '../third_party/libxslt/libxslt.gyp:*',
             '../third_party/lzma_sdk/lzma_sdk.gyp:*',
             '../third_party/modp_b64/modp_b64.gyp:*',
             '../third_party/npapi/npapi.gyp:*',
             '../third_party/ppapi/ppapi.gyp:*',
             '../third_party/sqlite/sqlite.gyp:*',
             '../third_party/zlib/zlib.gyp:*',
             '../webkit/support/webkit_support.gyp:*',
             '../webkit/webkit.gyp:*',
@@ skipping 403 matching lines @@
       }],  # targets
     }],  # OS=="linux" or OS=="freebsd" or OS=="openbsd" or OS=="solaris"
   ],  # 'conditions'
 }
 
 # Local Variables:
 # tab-width:2
 # indent-tabs-mode:nil
 # End:
 # vim: set expandtab tabstop=2 shiftwidth=2: