Delete Android content detectors.

content/browser/web_contents/web_contents_android.h

 // Copyright 2013 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_BROWSER_WEB_CONTENTS_WEB_CONTENTS_ANDROID_H_
 #define CONTENT_BROWSER_WEB_CONTENTS_WEB_CONTENTS_ANDROID_H_
 
 #include <jni.h>
 
 #include <memory>
 
 #include "base/android/jni_android.h"
 #include "base/android/scoped_java_ref.h"
 #include "base/compiler_specific.h"
 #include "base/macros.h"
 #include "base/memory/weak_ptr.h"
 #include "base/supports_user_data.h"
 #include "content/browser/frame_host/navigation_controller_android.h"
 #include "content/browser/renderer_host/render_widget_host_view_android.h"
 #include "content/common/content_export.h"
 
+class GURL;
+
 namespace content {
 
 class WebContentsImpl;
 
 // Android wrapper around WebContents that provides safer passage from java and
 // back to native and provides java with a means of communicating with its
 // native counterpart.
 class CONTENT_EXPORT WebContentsAndroid
     : public base::SupportsUserData::Data {
  public:
@@ skipping 203 matching lines @@
   base::android::ScopedJavaGlobalRef<jobject> obj_;
 
   base::WeakPtrFactory<WebContentsAndroid> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(WebContentsAndroid);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_WEB_CONTENTS_WEB_CONTENTS_ANDROID_H_