Finish ../platform => public/platform refactor

chrome/test/BUILD.gn

 # Copyright 2014 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.
 
 import("//build/config/chrome_build.gni")
 import("//build/config/compiler/compiler.gni")
 import("//build/config/crypto.gni")
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//chrome/common/features.gni")
@@ skipping 301 matching lines @@
 
     public_deps = [
       "//chrome/browser:test_support_ui",
     ]
     deps = [
       "//components/metrics:test_support",
       "//components/os_crypt:test_support",
       "//content/public/browser:browser",
       "//skia",
       "//testing/gtest",
+      "//third_party/WebKit/public:blink_headers",
     ]
 
     if (enable_plugins) {
       sources += [
         "ppapi/ppapi_test.cc",
         "ppapi/ppapi_test.h",
       ]
     }
   }
 
@@ skipping 4796 matching lines @@
 }
 
 if (is_win) {
   loadable_module("conflicts_dll") {
     testonly = true
     sources = [
       "conflicts/conflicts_dll.cc",
     ]
   }
 }