build DRT, webkit_unit_tests from individual gyp files.

chrome/chrome_tests.gypi

 # Copyright (c) 2012 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' : {
     'pyautolib_sources': [
       'app/chrome_command_ids.h',
       'app/chrome_dll_resource.h',
       'common/automation_constants.h',
       'common/pref_names.cc',
@@ skipping 763 matching lines @@
         '../build/temp_gyp/googleurl.gyp:googleurl',
         '../skia/skia.gyp:skia',
         '../testing/gmock.gyp:gmock',
         '../testing/gtest.gyp:gtest',
         '../third_party/icu/icu.gyp:icui18n',
         '../third_party/icu/icu.gyp:icuuc',
         '../third_party/libxml/libxml.gyp:libxml',
         # run time dependencies
         '../ppapi/ppapi_internal.gyp:ppapi_tests',
         '../third_party/mesa/mesa.gyp:osmesa',
-        '../third_party/WebKit/Source/WebKit/chromium/WebKit.gyp:copy_TestNetscapePlugIn',
+        '../webkit/webkit.gyp:pull_in_copy_TestNetscapePlugIn',
       ],
       'include_dirs': [
         '..',
       ],
       'sources': [
         'app/chrome_main_uitest.cc',
         'browser/browser_encoding_uitest.cc',
         'browser/custom_handlers/custom_handlers_uitest.cc',
         'browser/download/save_page_uitest.cc',
         'browser/default_plugin_uitest.cc',
@@ skipping 1669 matching lines @@
         '../testing/gmock.gyp:gmock',
         '../testing/gtest.gyp:gtest',
         '../third_party/cld/cld.gyp:cld',
         '../third_party/icu/icu.gyp:icui18n',
         '../third_party/icu/icu.gyp:icuuc',
         '../third_party/leveldatabase/leveldatabase.gyp:leveldatabase',
         '../v8/tools/gyp/v8.gyp:v8',
         '../webkit/webkit.gyp:test_shell_test_support',
         # Runtime dependencies
         '../third_party/mesa/mesa.gyp:osmesa',
-        '../third_party/WebKit/Source/WebKit/chromium/WebKit.gyp:copy_TestNetscapePlugIn',
+        '../webkit/webkit.gyp:pull_in_copy_TestNetscapePlugIn',
       ],
       'include_dirs': [
         '..',
       ],
       'defines': [
         'HAS_OUT_OF_PROC_TEST_RUNNER',
         'BROWSER_TESTS_HEADER_OVERRIDE="chrome/test/base/in_process_browser_test.h"',
       ],
       'sources': [
         'app/breakpad_mac_stubs.mm',
@@ skipping 659 matching lines @@
         '../testing/gmock.gyp:gmock',
         '../testing/gtest.gyp:gtest',
         '../third_party/cld/cld.gyp:cld',
         '../third_party/icu/icu.gyp:icui18n',
         '../third_party/icu/icu.gyp:icuuc',
         '../third_party/leveldatabase/leveldatabase.gyp:leveldatabase',
         '../v8/tools/gyp/v8.gyp:v8',
         '../webkit/webkit.gyp:test_shell_test_support',
         # Runtime dependencies
         '../third_party/mesa/mesa.gyp:osmesa',
-        '../third_party/WebKit/Source/WebKit/chromium/WebKit.gyp:copy_TestNetscapePlugIn',
+        '../webkit/webkit.gyp:pull_in_copy_TestNetscapePlugIn',
       ],
       'include_dirs': [
         '..',
       ],
       'defines': [
         'HAS_OUT_OF_PROC_TEST_RUNNER',
         'BROWSER_TESTS_HEADER_OVERRIDE="chrome/test/base/in_process_browser_test.h"',
       ],
       'sources': [
         'app/breakpad_mac_stubs.mm',
@@ skipping 1439 matching lines @@
               # Use outputs of this action as inputs for the main target build.
               # Seems as a misnomer but makes this happy on Linux (scons).
               'process_outputs_as_sources': 1,
             },
           ],  # 'actions'
         },
       ]
     }],  # 'coverage!=0'
   ],  # 'conditions'
 }