Update refernces to Blink's Platform API (cc)

cc/cc_tests.gyp

 # 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': {
     'chromium_code': 1,
     'cc_unit_tests_source_files': [
       'animation/animation_unittest.cc',
       'animation/keyframed_animation_curve_unittest.cc',
@@ skipping 173 matching lines @@
         'cc_test_utils',
       ],
       'sources': [
         'test/run_all_unittests.cc',
         'test/cc_test_suite.cc',
         '<@(cc_unit_tests_source_files)',
       ],
       'include_dirs': [
         'test',
         '.',
-        '../third_party/WebKit/Source/Platform/chromium',
       ],
       'conditions': [
         ['OS == "android" and gtest_target_type == "shared_library"', {
           'dependencies': [
             '../testing/android/native_test.gyp:native_test_native_code',
           ],
         }],
         [ 'os_posix == 1 and OS != "mac" and OS != "android" and OS != "ios"', {
           'conditions': [
             [ 'linux_use_tcmalloc==1', {
@@ skipping 21 matching lines @@
         'cc_test_support',
       ],
       'sources': [
         'trees/layer_tree_host_perftest.cc',
         'test/run_all_unittests.cc',
         'test/cc_test_suite.cc',
       ],
       'include_dirs': [
         'test',
         '.',
-        '../third_party/WebKit/Source/Platform/chromium',
       ],
       'conditions': [
         ['OS == "android" and gtest_target_type == "shared_library"', {
           'dependencies': [
             '../testing/android/native_test.gyp:native_test_native_code',
           ],
         }],
         # See http://crbug.com/162998#c4 for why this is needed.
         ['OS=="linux" and linux_use_tcmalloc==1', {
           'dependencies': [
             '../base/allocator/allocator.gyp:allocator',
           ],
         }],
       ],
       # TODO(jschuh): crbug.com/167187 fix size_t to int truncations.
       'msvs_disabled_warnings': [ 4267, ],
     },
     {
       'target_name': 'cc_test_support',
       'type': 'static_library',
       'include_dirs': [
         'test',
         '.',
         '..',
-        '../third_party/WebKit/Source/Platform/chromium',
       ],
       'dependencies': [
         '../skia/skia.gyp:skia',
         '../testing/gmock.gyp:gmock',
         '../testing/gtest.gyp:gtest',
         '../third_party/WebKit/Source/WebKit/chromium/WebKit.gyp:webkit',
         '../third_party/mesa/mesa.gyp:osmesa',
         '../ui/gl/gl.gyp:gl',
         '../ui/ui.gyp:ui',
       ],
@@ skipping 47 matching lines @@
           'variables': {
             'test_suite_name': 'cc_perftests',
             'input_shlib_path': '<(SHARED_LIB_DIR)/<(SHARED_LIB_PREFIX)cc_perftests<(SHARED_LIB_SUFFIX)',
           },
           'includes': [ '../build/apk_test.gypi' ],
         },
       ],
     }]
   ],
 }