Delete Android content detectors.

content/renderer/android/email_detector.cc

Index: content/renderer/android/email_detector.cc
diff --git a/content/renderer/android/email_detector.cc b/content/renderer/android/email_detector.cc
deleted file mode 100644
index 1a0db8b07a850ec383b75e0be6dc209e16e43fbf..0000000000000000000000000000000000000000
--- a/content/renderer/android/email_detector.cc
+++ /dev/null
@@ -1,73 +0,0 @@
-// 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.
-
-#include "content/renderer/android/email_detector.h"
-
-#include <memory>
-
-#include "base/logging.h"
-#include "base/strings/utf_string_conversions.h"
-#include "content/public/renderer/android_content_detection_prefixes.h"
-#include "net/base/escape.h"
-#include "third_party/icu/source/i18n/unicode/regex.h"
-
-namespace {
-
-// Maximum length of an email address.
-const size_t kMaximumEmailLength = 254;
-
-// Regex to match email addresses.
-// This is more specific than RFC 2822 (uncommon special characters are
-// disallowed) in order to avoid false positives.
-// Delimiters are word boundaries to allow punctuation, quote marks etc. around
-// the address.
-const char kEmailRegex[] =
-    "\\b[A-Z0-9._%+-]+@[A-Z0-9-]+(\\.[A-Z0-9-]+)*(\\.[A-Z]{2,6})\\b";
-
-}  // anonymous namespace
-
-namespace content {
-
-EmailDetector::EmailDetector() {
-}
-
-size_t EmailDetector::GetMaximumContentLength() {
-  return kMaximumEmailLength;
-}
-
-GURL EmailDetector::GetIntentURL(const std::string& content_text) {
-  if (content_text.empty())
-    return GURL();
-
-  return GURL(kEmailPrefix +
-      net::EscapeQueryParamValue(content_text, true));
-}
-
-bool EmailDetector::FindContent(const base::string16::const_iterator& begin,
-                                const base::string16::const_iterator& end,
-                                size_t* start_pos,
-                                size_t* end_pos,
-                                std::string* content_text) {
-  base::string16 utf16_input = base::string16(begin, end);
-  icu::UnicodeString pattern(kEmailRegex);
-  icu::UnicodeString input(utf16_input.data(), utf16_input.length());
-  UErrorCode status = U_ZERO_ERROR;
-  std::unique_ptr<icu::RegexMatcher> matcher(
-      new icu::RegexMatcher(pattern, input, UREGEX_CASE_INSENSITIVE, status));
-  if (matcher->find()) {
-    *start_pos = matcher->start(status);
-    DCHECK(U_SUCCESS(status));
-    *end_pos = matcher->end(status);
-    DCHECK(U_SUCCESS(status));
-    icu::UnicodeString content_ustr(matcher->group(status));
-    DCHECK(U_SUCCESS(status));
-    content_text->clear();
-    content_ustr.toUTF8String(*content_text);
-    return true;
-  }
-
-  return false;
-}
-
-}  // namespace content