Move some mock files out of webkit_support target as they're no longer used there

chrome/chrome_tests_unit.gypi

 # Copyright 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.
 {
   'targets': [
     {
       # This target contains mocks and test utilities that don't belong in
       # production libraries but are used by more than one test executable.
       'target_name': 'test_support_common',
       'type': 'static_library',
@@ skipping 261 matching lines @@
         'test/logging/win/log_file_printer.cc',
         'test/logging/win/log_file_printer.h',
         'test/logging/win/log_file_reader.cc',
         'test/logging/win/log_file_reader.h',
         'test/logging/win/mof_data_parser.cc',
         'test/logging/win/mof_data_parser.h',
         'test/logging/win/test_log_collector.cc',
         'test/logging/win/test_log_collector.h',
         'test/ppapi/ppapi_test.cc',
         'test/ppapi/ppapi_test.h',
+        '../ui/gfx/image/image_unittest_util.cc',
         '../ui/gfx/image/image_unittest_util.h',
-        '../ui/gfx/image/image_unittest_util.cc',
+        '../webkit/browser/fileapi/mock_file_system_context.cc',
+        '../webkit/browser/fileapi/mock_file_system_context.h',
+        '../webkit/browser/fileapi/mock_file_system_options.cc',
+        '../webkit/browser/fileapi/mock_file_system_options.h',
         '../webkit/browser/fileapi/sandbox_file_system_test_helper.cc',
         '../webkit/browser/fileapi/sandbox_file_system_test_helper.h',
         '../webkit/browser/quota/mock_quota_manager.cc',
         '../webkit/browser/quota/mock_quota_manager.h',
+        '../webkit/browser/quota/mock_special_storage_policy.cc',
+        '../webkit/browser/quota/mock_special_storage_policy.h',
       ],
       'conditions': [
         ['OS!="ios"', {
           'dependencies': [
             'cloud_policy_proto',
             'common/extensions/api/api.gyp:api',
             'plugin',
             'renderer',
             'utility',
             '../content/content.gyp:content_gpu',
@@ skipping 2397 matching lines @@
               # more details.
               'DebugInformationFormat': '3',
               'ProgramDataBaseFileName': '<(PRODUCT_DIR)/unit_tests.exe.pdb',
             },
           },
         },
       ],
     }],
   ],  # 'conditions'
 }