Make chrome/renderer/content_settings_observer.cc depend on //components/contents_settings for IPC

components/content_settings/content/common/BUILD.gn

Index: components/content_settings/content/common/BUILD.gn
diff --git a/components/content_settings/content/common/BUILD.gn b/components/content_settings/content/common/BUILD.gn
new file mode 100644
index 0000000000000000000000000000000000000000..5da2f62693bcfabc19ac6d5936255e25b520a2ba
--- /dev/null
+++ b/components/content_settings/content/common/BUILD.gn
@@ -0,0 +1,19 @@
+# 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.
+
+source_set("common") {
+  sources = [
+    "content_settings_message_generator.cc",
+    "content_settings_message_generator.h",
+    "content_settings_messages.h",
+  ]
+
+  deps = [
+    "//base",
+    "//components/content_settings/core/common",
+    "//content/public/common",
+    "//ipc",
+    "//url",
+  ]
+}