Convert some GN test support targets to static libs.

third_party/WebKit/Source/web/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/ui.gni")
 import("//testing/test.gni")
 import("//third_party/WebKit/Source/bindings/bindings.gni")
 import("//third_party/WebKit/Source/config.gni")
 import("//third_party/WebKit/Source/core/core.gni")
 import("//third_party/WebKit/Source/modules/modules.gni")
@@ skipping 48 matching lines @@
     ]
   }
 
   if (remove_webcore_debug_symbols) {
     configs -= [ "//build/config/compiler:default_symbols" ]
     configs += [ "//build/config/compiler:no_symbols" ]
   }
 }
 
 # GYP version: WebKit/Source/web/web.gyp:blink_web_test_support
-source_set("test_support") {
+static_library("test_support") {
   deps = [
     "//skia",
     "//third_party/WebKit/Source/core:testing",
     "//third_party/WebKit/Source/modules:modules_testing",
     "//third_party/WebKit/Source/wtf",
     "//v8",
   ]
 
   sources = [
     "WebTestingSupport.cpp",
@@ skipping 59 matching lines @@
 
   if (is_android) {
     deps += [
       "//base:base_java",
       "//content/public/android:content_java",
       "//content/shell/android:content_shell_assets",
       "//net/android:net_java",
     ]
   }
 }