Delete Android content detectors.

content/renderer/android/content_detector.h

-// 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_RENDERER_ANDROID_CONTENT_DETECTOR_H_
-#define CONTENT_RENDERER_ANDROID_CONTENT_DETECTOR_H_
-
-#include <stddef.h>
-
-#include "base/macros.h"
-#include "third_party/WebKit/public/platform/WebURL.h"
-#include "url/gurl.h"
-
-namespace blink {
-class WebHitTestResult;
-}
-
-namespace content {
-
-// Base class for text-based content detectors.
-class ContentDetector {
- public:
-  virtual ~ContentDetector() {}
-
-  // Returns an intent URL for the content around the hit_test.
-  // If no content is found, an empty URL will be returned.
-  blink::WebURL FindTappedContent(const blink::WebHitTestResult& hit_test);
-
- protected:
-  ContentDetector() {}
-
-  // Parses the input string defined by the begin/end iterators returning true
-  // if the desired content is found. The start and end positions relative to
-  // the input iterators are returned in start_pos and end_pos.
-  // The end position is assumed to be non-inclusive.
-  virtual bool 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) = 0;
-
-  // Returns the intent URL that should process the content, if any.
-  virtual GURL GetIntentURL(const std::string& content_text) = 0;
-
-  // Returns the maximum length of text to be extracted around the tapped
-  // position in order to search for content.
-  virtual size_t GetMaximumContentLength() = 0;
-
-  bool FindContentRange(const blink::WebHitTestResult& hit_test,
-                        std::string* content_text);
-
-  DISALLOW_COPY_AND_ASSIGN(ContentDetector);
-};
-
-}  // namespace content
-
-#endif  // CONTENT_RENDERER_ANDROID_CONTENT_DETECTOR_H_