Remove superfluous depends now that WebString isn't in IPC anymore.

chrome/chrome.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.
 
 {
   'variables': {
     'chromium_code': 1,
   },
   'includes': [
     '../build/common.gypi',
@@ skipping 1850 matching lines @@
             #   gtk/gtk.h
             '../build/linux/system.gyp:gtk',
           ],
         }],
       ],
     },
     {
       'target_name': 'ipc_tests',
       'type': 'executable',
       'dependencies': [
-        'browser',
         'common',
-        'renderer',
         'test_support_unit',
         '../base/base.gyp:base',
         '../testing/gtest.gyp:gtest',
       ],
       'sources': [
         'common/ipc_fuzzing_tests.cc',
         'common/ipc_message_unittest.cc',
         'common/ipc_send_fds_test.cc',
         'common/ipc_sync_channel_unittest.cc',
         'common/ipc_sync_message_unittest.cc',
@@ skipping 10 matching lines @@
         }],
       ],
     },
     {
       'target_name': 'ui_tests',
       'type': 'executable',
       'dependencies': [
         'app',
         'browser',
         'common',
-        'renderer',
         'resources',
         'test_support_ui',
         '../base/base.gyp:base',
         '../net/net.gyp:net',
         '../build/temp_gyp/googleurl.gyp:googleurl',
         '../skia/skia.gyp:skia',
         '../testing/gtest.gyp:gtest',
         '../third_party/icu38/icu38.gyp:icui18n',
         '../third_party/icu38/icu38.gyp:icuuc',
         '../third_party/libxml/libxml.gyp:libxml',
@@ skipping 399 matching lines @@
         }],
       ],
     },
     {
       'target_name': 'startup_tests',
       'type': 'executable',
       'dependencies': [
         'app',
         'browser',
         'common',
-        'renderer',
         'resources',
         'test_support_ui',
         '../base/base.gyp:base',
         '../skia/skia.gyp:skia',
         '../testing/gtest.gyp:gtest',
       ],
       'sources': [
         'test/startup/feature_startup_test.cc',
         'test/startup/startup_test.cc',
         'tools/build/win/precompiled.cc',
@@ skipping 511 matching lines @@
                           '../tools/code_coverage/coverage_posix.py',
                           '--directory',
                           '<(PRODUCT_DIR)' ],
             },
           ],  # 'actions'
         },
       ]
     }],
   ],  # 'conditions'
 }