Move InMemoryURLIndex into chrome/browser/autocomplete

chrome/browser/autocomplete/BUILD.gn

Index: chrome/browser/autocomplete/BUILD.gn
diff --git a/chrome/browser/autocomplete/BUILD.gn b/chrome/browser/autocomplete/BUILD.gn
new file mode 100644
index 0000000000000000000000000000000000000000..3f092810bdcbbf5b225bed5c7dfdf5a090bad7b1
--- /dev/null
+++ b/chrome/browser/autocomplete/BUILD.gn
@@ -0,0 +1,12 @@
+# Copyright 2015 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("//third_party/protobuf/proto_library.gni")
+
+# GYP version: chrome/chrome_browser.gypi:in_memory_url_index_cache_proto
+proto_library("in_memory_url_index_cache_proto") {
+  sources = [
+    "in_memory_url_index_cache.proto",
+  ]
+}