Revert of Move gn _run target generation into test().

third_party/WebKit/Source/platform/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/build/scripts/scripts.gni")
 import("//third_party/WebKit/Source/config.gni")
 import("//third_party/WebKit/Source/platform/platform.gni")
 import("//third_party/WebKit/Source/platform/platform_generated.gni")
@@ skipping 341 matching lines @@
 
   deps = [
     ":platform",
   ]
 
   if (is_win) {
     cflags = [ "/wd4267" ]  # Truncation from size_t to int.
   }
 }
 
+# TODO(GYP): Delete this after we've converted everything to GN.
+# The _run targets exist only for compatibility w/ GYP.
+group("blink_heap_unittests_run") {
+  testonly = true
+  deps = [
+    ":blink_heap_unittests",
+  ]
+}
+
 # GYP: blink_heap_unittests
 test("blink_heap_unittests") {
   visibility = []  # Allow re-assignment of list.
   visibility = [ "*" ]
 
   sources = rebase_path(heap_gypi.platform_heap_test_files, ".", "heap")
   sources += [ "heap/RunAllTests.cpp" ]
 
   configs += [
     "//third_party/WebKit/Source/wtf:wtf_config",
@@ skipping 14 matching lines @@
   ]
   if (is_android) {
     deps += [
       "//base:base_java",
       "//content/shell/android:content_shell_assets",
       "//net/android:net_java",
     ]
   }
 }
 
+# TODO(GYP): Delete this after we've converted everything to GN.
+# The _run targets exist only for compatibility w/ GYP.
+group("blink_platform_unittests_run") {
+  testonly = true
+  deps = [
+    ":blink_platform_unittests",
+  ]
+}
+
 test("blink_platform_unittests") {
   visibility = []  # Allow re-assignment of list.
   visibility = [ "*" ]
 
   sources = platform_test_files
 
   if (is_win) {
     sources += [ "text/LocaleWinTest.cpp" ]
   } else if (is_mac) {
     sources += [ "text/LocaleMacTest.cpp" ]
@@ skipping 59 matching lines @@
 }
 
 if (current_cpu == "x86" || current_cpu == "x64") {
   source_set("blink_x86_sse") {
     sources = blink_platform_sse_files
     deps = [
       ":blink_common",
     ]
   }
 }