Enable ASSERT when DCHECK_ALWAYS_ON is defined.

public/all.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 11 matching lines @@
 # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #
 {
     'includes': [
+        '../Source/build/defines_from_chromium.gypi',
         '../Source/build/features.gypi',
     ],
     'targets': [
         {
             'target_name': 'all_blink',
             'type': 'none',
             'dependencies': [
                 '../Source/testing/testing.gyp:TestRunner',
                 '../Source/platform/blink_platform_tests.gyp:blink_platform_unittests',
                 '../Source/web/web_tests.gyp:webkit_unit_tests',
                 '../Source/wtf/wtf_tests.gyp:wtf_unittests',
             ],
             'conditions': [
                 # Special target to wrap a gtest_target_type==shared_library
                 # webkit_unit_tests into an android apk for execution. See
                 # base.gyp for TODO(jrg)s about this strategy.
                 ['OS=="android" and android_webview_build==0 and gtest_target_type == "shared_library"', {
                     'dependencies': [
                         '../Source/web/web_tests.gyp:webkit_unit_tests_apk',
                     ],
                 }],
             ],
         },
     ],
 }