Break up chrome/common:common

chrome/common/search/BUILD.gn

Index: chrome/common/search/BUILD.gn
diff --git a/chrome/common/search/BUILD.gn b/chrome/common/search/BUILD.gn
new file mode 100644
index 0000000000000000000000000000000000000000..0355f48b7157713ca551573128c18b6f0a301b96
--- /dev/null
+++ b/chrome/common/search/BUILD.gn
@@ -0,0 +1,21 @@
+# Copyright 2017 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.
+
+source_set("search") {
+  sources = [
+    "instant_types.cc",
+    "instant_types.h",
+    "ntp_logging_events.h",
+    "search_types.h",
+    "search_urls.cc",
+    "search_urls.h",
+  ]
+  deps = [
+    "//base",
+    "//components/ntp_tiles",
+    "//content/public/common",
+    "//net",
+    "//url",
+  ]
+}