[Android] Split the address parser from AddressDetector for WebView use.

content/common/android/address_parser.h

Index: content/common/android/address_parser.h
diff --git a/content/common/android/address_parser.h b/content/common/android/address_parser.h
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+++ b/content/common/android/address_parser.h
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+// Copyright (c) 2012 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.
+
+#ifndef CONTENT_COMMON_ADDRESS_PARSER_H_
+#define CONTENT_COMMON_ADDRESS_PARSER_H_
+#pragma once
+
+#include "base/string16.h"
+
+namespace content {
+
+// Provides methods to find a geographical address (currently US only)
+// in a given text string.
+namespace address_parser {
+
+// Find the first address in some chunk of text.  If an address is found in
+// |text| true is returned and the address is copied into |address|.
+// Otherwise, false is returned.
+bool FindAddress(const string16& text, string16* address);
+
+// Find the first address in some chunk of test.  |begin| is the starting
+// position to search from, |end| is the position to search to.  |start_pos|
+// and |end_pos| are set to the starting and ending position of the address,
+// if found.
+bool FindAddress(const string16::const_iterator& begin,
+                 const string16::const_iterator& end,
+                 size_t* start_pos,
+                 size_t* end_pos);
+
+}  // namespace address_parser
+
+}  // namespace content
+
+#endif  // CONTENT_COMMON_ADDRESS_PARSER_H_