Clean content_settings_pattern_parser.* from unnecessary dependencies.

chrome/common/content_settings_pattern_serializer.cc

+// Copyright (c) 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.
+
+#include "chrome/common/content_settings_pattern_serializer.h"
+
+#include "chrome/common/content_settings_pattern.h"
+#include "chrome/common/render_messages.h"
+
+// static
+void ContentSettingsPatternSerializer::WriteToMessage(
+    const ContentSettingsPattern& pattern,
+    IPC::Message* m) {
+  IPC::WriteParam(m, pattern.is_valid_);
+  IPC::WriteParam(m, pattern.parts_);
+}
+
+// static
+bool ContentSettingsPatternSerializer::ReadFromMessage(
+    const IPC::Message* m,
+    PickleIterator* iter,
+    ContentSettingsPattern* pattern) {
+  DCHECK(pattern);
+  return IPC::ReadParam(m, iter, &pattern->is_valid_) &&
+         IPC::ReadParam(m, iter, &pattern->parts_);
+}